First measurement of the Ω− decay branching ratios
Identifieur interne : 002859 ( Istex/Corpus ); précédent : 002858; suivant : 002860First measurement of the Ω− decay branching ratios
Auteurs : M. Bourquin ; R. M. Brown ; Y. Chatelus ; J. C. Chollet ; A. Degré ; D. Froidevaux ; A. R. Fyfe ; J.-M. Gaillard ; C. N. P. Gee ; W. M. Gibson ; P. Igo-Kemenes ; P. W. Jeffreys ; B. Merkel ; R. Morand ; H. Plothow ; J.-P. Repellin ; B. J. Saunders ; G. Sauvage ; B. Schiby ; H. W. Siebert ; V. J. Smith ; K.-P. Streit ; R. Strub ; J. J. Thresher ; S. N. ToveySource :
- Physics Letters B [ 0370-2693 ] ; 1979.
English descriptors
- KwdEn :
- Background events, Beam track, Confidence level, Decay, Decay mode, Decay modes, Decay products, December, Detection efficiency, Event selection, Good agreement, Invariant mass, Magnetic channel, Mass region, Negative track, Number physics letters, Pulse height, Rare decay modes, Scatter plot, Scintillation counter, Selection criteria, Sensitive volume, Spectrometer, Spectrometer magnet, Systematic error, Upper limit.
- Teeft :
- Background events, Beam track, Confidence level, Decay, Decay mode, Decay modes, Decay products, December, Detection efficiency, Event selection, Good agreement, Invariant mass, Magnetic channel, Mass region, Negative track, Number physics letters, Pulse height, Rare decay modes, Scatter plot, Scintillation counter, Selection criteria, Sensitive volume, Spectrometer, Spectrometer magnet, Systematic error, Upper limit.
Abstract
Abstract: In an experiment in the CERN-SPS charged-hyperon beam, the main Ω− decay branching ratios have been measured to be Γ(Ω−→ΛK−/Γ(all)=0.686±0.013, Γ(Ω−1→Ξ0π−)/Γ(all)=0.234±0.013, Γ(Ω −→Ξ−π0)/Γ(all)=0.080±0.008. The relative branching ratio of the two Ξπ modes provides a test of the ΔI=12 rule in decuplet-octet transitions. A search has also been made for the rare decay modes Ω−→Λπ−, Ω−→Ξ−γ, Ω−→Ξ−π+π− and Ω −→Ξ0e−ν.
Url:
DOI: 10.1016/0370-2693(79)90144-8
Links to Exploration step
ISTEX:D994CAA115F8BEFF2A549B04E983CED3EF4568C1Le document en format XML
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N." last="Tovey">S. N. Tovey</name><affiliation><mods:affiliation>University of Melbourne, Australia</mods:affiliation></affiliation><affiliation><mods:affiliation>CERN, Geneva, Switzerland</mods:affiliation></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">ISTEX</idno><idno type="RBID">ISTEX:D994CAA115F8BEFF2A549B04E983CED3EF4568C1</idno><date when="1979" year="1979">1979</date><idno type="doi">10.1016/0370-2693(79)90144-8</idno><idno type="url">https://api.istex.fr/document/D994CAA115F8BEFF2A549B04E983CED3EF4568C1/fulltext/pdf</idno><idno type="wicri:Area/Istex/Corpus">002859</idno><idno type="wicri:explorRef" wicri:stream="Istex" wicri:step="Corpus" wicri:corpus="ISTEX">002859</idno></publicationStmt><sourceDesc><biblStruct><analytic><title level="a">First measurement of the Ω− decay branching ratios</title><author><name sortKey="Bourquin, M" sort="Bourquin, M" uniqKey="Bourquin M" first="M." last="Bourquin">M. Bourquin</name><affiliation><mods:affiliation>University of Geneva, Switzerland</mods:affiliation></affiliation></author><author><name sortKey="Brown, R M" sort="Brown, R M" uniqKey="Brown R" first="R. M." last="Brown">R. M. Brown</name><affiliation><mods:affiliation>Rutherford Laboratory, Chilton, Didcot, England</mods:affiliation></affiliation></author><author><name sortKey="Chatelus, Y" sort="Chatelus, Y" uniqKey="Chatelus Y" first="Y." last="Chatelus">Y. Chatelus</name><affiliation><mods:affiliation>CRN-Division des Hautes Energies, Strasbourg, France</mods:affiliation></affiliation></author><author><name sortKey="Chollet, J C" sort="Chollet, J C" uniqKey="Chollet J" first="J. C." last="Chollet">J. C. Chollet</name><affiliation><mods:affiliation>Laboratoire de l'Accélérateur Linéaire, Orsay, France</mods:affiliation></affiliation></author><author><name sortKey="Degre, A" sort="Degre, A" uniqKey="Degre A" first="A." last="Degré">A. Degré</name><affiliation><mods:affiliation>CRN-Division des Hautes Energies, Strasbourg, France</mods:affiliation></affiliation></author><author><name sortKey="Froidevaux, D" sort="Froidevaux, D" uniqKey="Froidevaux D" first="D." last="Froidevaux">D. Froidevaux</name><affiliation><mods:affiliation>Laboratoire de l'Accélérateur Linéaire, Orsay, France</mods:affiliation></affiliation></author><author><name sortKey="Fyfe, A R" sort="Fyfe, A R" uniqKey="Fyfe A" first="A. R." last="Fyfe">A. R. Fyfe</name><affiliation><mods:affiliation>H.H. Wills Physics Laboratory, University of Bristol, England</mods:affiliation></affiliation></author><author><name sortKey="Gaillard, J M" sort="Gaillard, J M" uniqKey="Gaillard J" first="J.-M." last="Gaillard">J.-M. Gaillard</name><affiliation><mods:affiliation>Laboratoire de l'Accélérateur Linéaire, Orsay, France</mods:affiliation></affiliation></author><author><name sortKey="Gee, C N P" sort="Gee, C N P" uniqKey="Gee C" first="C. N. P." last="Gee">C. N. P. Gee</name><affiliation><mods:affiliation>Rutherford Laboratory, Chilton, Didcot, England</mods:affiliation></affiliation></author><author><name sortKey="Gibson, W M" sort="Gibson, W M" uniqKey="Gibson W" first="W. M." last="Gibson">W. M. Gibson</name><affiliation><mods:affiliation>H.H. Wills Physics Laboratory, University of Bristol, England</mods:affiliation></affiliation></author><author><name sortKey="Igo Kemenes, P" sort="Igo Kemenes, P" uniqKey="Igo Kemenes P" first="P." last="Igo-Kemenes">P. Igo-Kemenes</name><affiliation><mods:affiliation>Physikalisches Institut, Universität Heidelberg, Germany11Work supported by the Bundesministerium für Forschung und Technologie, Germany.</mods:affiliation></affiliation></author><author><name sortKey="Jeffreys, P W" sort="Jeffreys, P W" uniqKey="Jeffreys P" first="P. W." last="Jeffreys">P. W. Jeffreys</name><affiliation><mods:affiliation>H.H. Wills Physics Laboratory, University of Bristol, England</mods:affiliation></affiliation></author><author><name sortKey="Merkel, B" sort="Merkel, B" uniqKey="Merkel B" first="B." last="Merkel">B. Merkel</name><affiliation><mods:affiliation>Laboratoire de l'Accélérateur Linéaire, Orsay, France</mods:affiliation></affiliation></author><author><name sortKey="Morand, R" sort="Morand, R" uniqKey="Morand R" first="R." last="Morand">R. Morand</name><affiliation><mods:affiliation>CRN-Division des Hautes Energies, Strasbourg, France</mods:affiliation></affiliation></author><author><name sortKey="Plothow, H" sort="Plothow, H" uniqKey="Plothow H" first="H." last="Plothow">H. Plothow</name><affiliation><mods:affiliation>CERN, Geneva, Switzerland</mods:affiliation></affiliation></author><author><name sortKey="Repellin, J P" sort="Repellin, J P" uniqKey="Repellin J" first="J.-P." last="Repellin">J.-P. Repellin</name><affiliation><mods:affiliation>Laboratoire de l'Accélérateur Linéaire, Orsay, France</mods:affiliation></affiliation></author><author><name sortKey="Saunders, B J" sort="Saunders, B J" uniqKey="Saunders B" first="B. J." last="Saunders">B. J. Saunders</name><affiliation><mods:affiliation>Rutherford Laboratory, Chilton, Didcot, England</mods:affiliation></affiliation></author><author><name sortKey="Sauvage, G" sort="Sauvage, G" uniqKey="Sauvage G" first="G." last="Sauvage">G. Sauvage</name><affiliation><mods:affiliation>Laboratoire de l'Accélérateur Linéaire, Orsay, France</mods:affiliation></affiliation></author><author><name sortKey="Schiby, B" sort="Schiby, B" uniqKey="Schiby B" first="B." last="Schiby">B. Schiby</name><affiliation><mods:affiliation>CRN-Division des Hautes Energies, Strasbourg, France</mods:affiliation></affiliation></author><author><name sortKey="Siebert, H W" sort="Siebert, H W" uniqKey="Siebert H" first="H. W." last="Siebert">H. W. Siebert</name><affiliation><mods:affiliation>Physikalisches Institut, Universität Heidelberg, Germany11Work supported by the Bundesministerium für Forschung und Technologie, Germany.</mods:affiliation></affiliation></author><author><name sortKey="Smith, V J" sort="Smith, V J" uniqKey="Smith V" first="V. J." last="Smith">V. J. Smith</name><affiliation><mods:affiliation>H.H. Wills Physics Laboratory, University of Bristol, England</mods:affiliation></affiliation></author><author><name sortKey="Streit, K P" sort="Streit, K P" uniqKey="Streit K" first="K.-P." last="Streit">K.-P. Streit</name><affiliation><mods:affiliation>Physikalisches Institut, Universität Heidelberg, Germany11Work supported by the Bundesministerium für Forschung und Technologie, Germany.</mods:affiliation></affiliation></author><author><name sortKey="Strub, R" sort="Strub, R" uniqKey="Strub R" first="R." last="Strub">R. Strub</name><affiliation><mods:affiliation>CRN-Division des Hautes Energies, Strasbourg, France</mods:affiliation></affiliation></author><author><name sortKey="Thresher, J J" sort="Thresher, J J" uniqKey="Thresher J" first="J. J." last="Thresher">J. J. Thresher</name><affiliation><mods:affiliation>Rutherford Laboratory, Chilton, Didcot, England</mods:affiliation></affiliation></author><author><name sortKey="Tovey, S N" sort="Tovey, S N" uniqKey="Tovey S" first="S. N." last="Tovey">S. N. Tovey</name><affiliation><mods:affiliation>University of Melbourne, Australia</mods:affiliation></affiliation><affiliation><mods:affiliation>CERN, Geneva, Switzerland</mods:affiliation></affiliation></author></analytic><monogr></monogr><series><title level="j">Physics Letters B</title><title level="j" type="abbrev">PLB</title><idno type="ISSN">0370-2693</idno><imprint><publisher>ELSEVIER</publisher><date type="published" when="1979">1979</date><biblScope unit="volume">88</biblScope><biblScope unit="issue">1–2</biblScope><biblScope unit="page" from="192">192</biblScope><biblScope unit="page" to="198">198</biblScope></imprint><idno type="ISSN">0370-2693</idno></series></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0370-2693</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Background events</term><term>Beam track</term><term>Confidence level</term><term>Decay</term><term>Decay mode</term><term>Decay modes</term><term>Decay products</term><term>December</term><term>Detection efficiency</term><term>Event selection</term><term>Good agreement</term><term>Invariant mass</term><term>Magnetic channel</term><term>Mass region</term><term>Negative track</term><term>Number physics letters</term><term>Pulse height</term><term>Rare decay modes</term><term>Scatter plot</term><term>Scintillation counter</term><term>Selection criteria</term><term>Sensitive volume</term><term>Spectrometer</term><term>Spectrometer magnet</term><term>Systematic error</term><term>Upper limit</term></keywords><keywords scheme="Teeft" xml:lang="en"><term>Background events</term><term>Beam track</term><term>Confidence level</term><term>Decay</term><term>Decay mode</term><term>Decay modes</term><term>Decay products</term><term>December</term><term>Detection efficiency</term><term>Event selection</term><term>Good agreement</term><term>Invariant mass</term><term>Magnetic channel</term><term>Mass region</term><term>Negative track</term><term>Number physics letters</term><term>Pulse height</term><term>Rare decay modes</term><term>Scatter plot</term><term>Scintillation counter</term><term>Selection criteria</term><term>Sensitive volume</term><term>Spectrometer</term><term>Spectrometer magnet</term><term>Systematic error</term><term>Upper limit</term></keywords></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Abstract: In an experiment in the CERN-SPS charged-hyperon beam, the main Ω− decay branching ratios have been measured to be Γ(Ω−→ΛK−/Γ(all)=0.686±0.013, Γ(Ω−1→Ξ0π−)/Γ(all)=0.234±0.013, Γ(Ω −→Ξ−π0)/Γ(all)=0.080±0.008. The relative branching ratio of the two Ξπ modes provides a test of the ΔI=12 rule in decuplet-octet transitions. A search has also been made for the rare decay modes Ω−→Λπ−, Ω−→Ξ−γ, Ω−→Ξ−π+π− and Ω −→Ξ0e−ν.</div></front></TEI><istex><corpusName>elsevier</corpusName><keywords><teeft><json:string>december</json:string><json:string>decay modes</json:string><json:string>negative track</json:string><json:string>beam track</json:string><json:string>invariant mass</json:string><json:string>number physics letters</json:string><json:string>confidence level</json:string><json:string>rare decay modes</json:string><json:string>background events</json:string><json:string>scintillation counter</json:string><json:string>scatter plot</json:string><json:string>spectrometer magnet</json:string><json:string>pulse height</json:string><json:string>upper limit</json:string><json:string>decay products</json:string><json:string>sensitive volume</json:string><json:string>magnetic channel</json:string><json:string>event selection</json:string><json:string>selection criteria</json:string><json:string>detection efficiency</json:string><json:string>mass region</json:string><json:string>systematic error</json:string><json:string>good agreement</json:string><json:string>decay mode</json:string><json:string>spectrometer</json:string><json:string>decay</json:string></teeft></keywords><author><json:item><name>M. Bourquin</name><affiliations><json:string>University of Geneva, Switzerland</json:string></affiliations></json:item><json:item><name>R.M. Brown</name><affiliations><json:string>Rutherford Laboratory, Chilton, Didcot, England</json:string></affiliations></json:item><json:item><name>Y. Chatelus</name><affiliations><json:string>CRN-Division des Hautes Energies, Strasbourg, France</json:string></affiliations></json:item><json:item><name>J.C. Chollet</name><affiliations><json:string>Laboratoire de l'Accélérateur Linéaire, Orsay, France</json:string></affiliations></json:item><json:item><name>A. Degré</name><affiliations><json:string>CRN-Division des Hautes Energies, Strasbourg, France</json:string></affiliations></json:item><json:item><name>D. Froidevaux</name><affiliations><json:string>Laboratoire de l'Accélérateur Linéaire, Orsay, France</json:string></affiliations></json:item><json:item><name>A.R. Fyfe</name><affiliations><json:string>H.H. Wills Physics Laboratory, University of Bristol, England</json:string></affiliations></json:item><json:item><name>J.-M. Gaillard</name><affiliations><json:string>Laboratoire de l'Accélérateur Linéaire, Orsay, France</json:string></affiliations></json:item><json:item><name>C.N.P. Gee</name><affiliations><json:string>Rutherford Laboratory, Chilton, Didcot, England</json:string></affiliations></json:item><json:item><name>W.M. Gibson</name><affiliations><json:string>H.H. Wills Physics Laboratory, University of Bristol, England</json:string></affiliations></json:item><json:item><name>P. Igo-Kemenes</name><affiliations><json:string>Physikalisches Institut, Universität Heidelberg, Germany11Work supported by the Bundesministerium für Forschung und Technologie, Germany.</json:string></affiliations></json:item><json:item><name>P.W. Jeffreys</name><affiliations><json:string>H.H. Wills Physics Laboratory, University of Bristol, England</json:string></affiliations></json:item><json:item><name>B. Merkel</name><affiliations><json:string>Laboratoire de l'Accélérateur Linéaire, Orsay, France</json:string></affiliations></json:item><json:item><name>R. Morand</name><affiliations><json:string>CRN-Division des Hautes Energies, Strasbourg, France</json:string></affiliations></json:item><json:item><name>H. Plothow</name><affiliations><json:string>CERN, Geneva, Switzerland</json:string></affiliations></json:item><json:item><name>J.-P. Repellin</name><affiliations><json:string>Laboratoire de l'Accélérateur Linéaire, Orsay, France</json:string></affiliations></json:item><json:item><name>B.J. Saunders</name><affiliations><json:string>Rutherford Laboratory, Chilton, Didcot, England</json:string></affiliations></json:item><json:item><name>G. Sauvage</name><affiliations><json:string>Laboratoire de l'Accélérateur Linéaire, Orsay, France</json:string></affiliations></json:item><json:item><name>B. Schiby</name><affiliations><json:string>CRN-Division des Hautes Energies, Strasbourg, France</json:string></affiliations></json:item><json:item><name>H.W. Siebert</name><affiliations><json:string>Physikalisches Institut, Universität Heidelberg, Germany11Work supported by the Bundesministerium für Forschung und Technologie, Germany.</json:string></affiliations></json:item><json:item><name>V.J. Smith</name><affiliations><json:string>H.H. Wills Physics Laboratory, University of Bristol, England</json:string></affiliations></json:item><json:item><name>K.-P. Streit</name><affiliations><json:string>Physikalisches Institut, Universität Heidelberg, Germany11Work supported by the Bundesministerium für Forschung und Technologie, Germany.</json:string></affiliations></json:item><json:item><name>R. Strub</name><affiliations><json:string>CRN-Division des Hautes Energies, Strasbourg, France</json:string></affiliations></json:item><json:item><name>J.J. Thresher</name><affiliations><json:string>Rutherford Laboratory, Chilton, Didcot, England</json:string></affiliations></json:item><json:item><name>S.N. Tovey</name><affiliations><json:string>University of Melbourne, Australia</json:string><json:string>CERN, Geneva, Switzerland</json:string></affiliations></json:item></author><arkIstex>ark:/67375/6H6-01XM6QS6-9</arkIstex><language><json:string>eng</json:string></language><originalGenre><json:string>Full-length article</json:string></originalGenre><abstract>Abstract: In an experiment in the CERN-SPS charged-hyperon beam, the main Ω− decay branching ratios have been measured to be Γ(Ω−→ΛK−/Γ(all)=0.686±0.013, Γ(Ω−1→Ξ0π−)/Γ(all)=0.234±0.013, Γ(Ω −→Ξ−π0)/Γ(all)=0.080±0.008. The relative branching ratio of the two Ξπ modes provides a test of the ΔI=12 rule in decuplet-octet transitions. A search has also been made for the rare decay modes Ω−→Λπ−, Ω−→Ξ−γ, Ω−→Ξ−π+π− and Ω −→Ξ0e−ν.</abstract><qualityIndicators><refBibsNative>true</refBibsNative><abstractWordCount>60</abstractWordCount><abstractCharCount>425</abstractCharCount><keywordCount>0</keywordCount><score>6.604</score><pdfWordCount>3884</pdfWordCount><pdfCharCount>17968</pdfCharCount><pdfVersion>1.2</pdfVersion><pdfPageCount>7</pdfPageCount><pdfPageSize>548 x 742 pts</pdfPageSize></qualityIndicators><title>First measurement of the Ω− decay branching ratios</title><pii><json:string>0370-2693(79)90144-8</json:string></pii><corporate><json:item><name>Bristol-Geneva-Heidelberg-Orsay-Rutherford-Strasbourg Collaboration</name></json:item></corporate><genre><json:string>research-article</json:string></genre><host><title>Physics Letters B</title><language><json:string>unknown</json:string></language><publicationDate>1979</publicationDate><issn><json:string>0370-2693</json:string></issn><pii><json:string>S0370-2693(00)X0508-4</json:string></pii><volume>88</volume><issue>1–2</issue><pages><first>192</first><last>198</last></pages><genre><json:string>journal</json:string></genre></host><namedEntities><unitex><date><json:string>1979</json:string><json:string>2400</json:string><json:string>1533</json:string><json:string>1978</json:string></date><geogName></geogName><orgName><json:string>University of Geneva, Switzerland</json:string><json:string>Laboratory, University of Bristol, England</json:string><json:string>Rutherford Laboratory, Chilton, Didcot, England</json:string><json:string>University of Melbourne</json:string></orgName><orgName_funder></orgName_funder><orgName_provider></orgName_provider><persName><json:string>The</json:string><json:string>To</json:string></persName><placeName><json:string>Geneva</json:string><json:string>Switzerland</json:string><json:string>Germany</json:string><json:string>Heidelberg</json:string><json:string>Strasbourg</json:string><json:string>Tokyo</json:string><json:string>France</json:string></placeName><ref_url></ref_url><ref_bibl><json:string>[4]</json:string><json:string>[6]</json:string><json:string>[3]</json:string><json:string>[1 ]</json:string><json:string>[5]</json:string><json:string>[2]</json:string></ref_bibl><bibl></bibl></unitex></namedEntities><ark><json:string>ark:/67375/6H6-01XM6QS6-9</json:string></ark><categories><wos><json:string>1 - science</json:string><json:string>2 - physics, multidisciplinary</json:string></wos><scienceMetrix><json:string>1 - natural sciences</json:string><json:string>2 - physics & astronomy</json:string><json:string>3 - nuclear & particles physics</json:string></scienceMetrix><scopus><json:string>1 - Physical Sciences</json:string><json:string>2 - Physics and Astronomy</json:string><json:string>3 - Nuclear and High Energy Physics</json:string></scopus><inist><json:string>1 - sciences appliquees, technologies et medecines</json:string><json:string>2 - sciences biologiques et medicales</json:string><json:string>3 - sciences medicales</json:string></inist></categories><publicationDate>1979</publicationDate><copyrightDate>1979</copyrightDate><doi><json:string>10.1016/0370-2693(79)90144-8</json:string></doi><id>D994CAA115F8BEFF2A549B04E983CED3EF4568C1</id><score>1</score><fulltext><json:item><extension>pdf</extension><original>true</original><mimetype>application/pdf</mimetype><uri>https://api.istex.fr/document/D994CAA115F8BEFF2A549B04E983CED3EF4568C1/fulltext/pdf</uri></json:item><json:item><extension>zip</extension><original>false</original><mimetype>application/zip</mimetype><uri>https://api.istex.fr/document/D994CAA115F8BEFF2A549B04E983CED3EF4568C1/fulltext/zip</uri></json:item><istex:fulltextTEI uri="https://api.istex.fr/document/D994CAA115F8BEFF2A549B04E983CED3EF4568C1/fulltext/tei"><teiHeader><fileDesc><titleStmt><title level="a">First measurement of the Ω− decay branching ratios</title></titleStmt><publicationStmt><authority>ISTEX</authority><publisher>ELSEVIER</publisher><availability><p>ELSEVIER</p></availability><date>1979</date></publicationStmt><sourceDesc><biblStruct type="inbook"><analytic><title level="a">First measurement of the Ω− decay branching ratios</title><author role="org"><orgName>Bristol-Geneva-Heidelberg-Orsay-Rutherford-Strasbourg Collaboration</orgName></author><author xml:id="author-0000"><persName><forename type="first">M.</forename><surname>Bourquin</surname></persName><affiliation>University of Geneva, Switzerland</affiliation></author><author xml:id="author-0001"><persName><forename type="first">R.M.</forename><surname>Brown</surname></persName><affiliation>Rutherford Laboratory, Chilton, Didcot, England</affiliation></author><author xml:id="author-0002"><persName><forename type="first">Y.</forename><surname>Chatelus</surname></persName><affiliation>CRN-Division des Hautes Energies, Strasbourg, France</affiliation></author><author xml:id="author-0003"><persName><forename type="first">J.C.</forename><surname>Chollet</surname></persName><affiliation>Laboratoire de l'Accélérateur Linéaire, Orsay, France</affiliation></author><author xml:id="author-0004"><persName><forename type="first">A.</forename><surname>Degré</surname></persName><affiliation>CRN-Division des Hautes Energies, Strasbourg, France</affiliation></author><author xml:id="author-0005"><persName><forename type="first">D.</forename><surname>Froidevaux</surname></persName><affiliation>Laboratoire de l'Accélérateur Linéaire, Orsay, France</affiliation></author><author xml:id="author-0006"><persName><forename type="first">A.R.</forename><surname>Fyfe</surname></persName><affiliation>H.H. Wills Physics Laboratory, University of Bristol, England</affiliation></author><author xml:id="author-0007"><persName><forename type="first">J.-M.</forename><surname>Gaillard</surname></persName><affiliation>Laboratoire de l'Accélérateur Linéaire, Orsay, France</affiliation></author><author xml:id="author-0008"><persName><forename type="first">C.N.P.</forename><surname>Gee</surname></persName><affiliation>Rutherford Laboratory, Chilton, Didcot, England</affiliation></author><author xml:id="author-0009"><persName><forename type="first">W.M.</forename><surname>Gibson</surname></persName><affiliation>H.H. Wills Physics Laboratory, University of Bristol, England</affiliation></author><author xml:id="author-0010"><persName><forename type="first">P.</forename><surname>Igo-Kemenes</surname></persName><affiliation>Physikalisches Institut, Universität Heidelberg, Germany11Work supported by the Bundesministerium für Forschung und Technologie, Germany.</affiliation></author><author xml:id="author-0011"><persName><forename type="first">P.W.</forename><surname>Jeffreys</surname></persName><affiliation>H.H. Wills Physics Laboratory, University of Bristol, England</affiliation></author><author xml:id="author-0012"><persName><forename type="first">B.</forename><surname>Merkel</surname></persName><affiliation>Laboratoire de l'Accélérateur Linéaire, Orsay, France</affiliation></author><author xml:id="author-0013"><persName><forename type="first">R.</forename><surname>Morand</surname></persName><affiliation>CRN-Division des Hautes Energies, Strasbourg, France</affiliation></author><author xml:id="author-0014"><persName><forename type="first">H.</forename><surname>Plothow</surname></persName><affiliation>CERN, Geneva, Switzerland</affiliation></author><author xml:id="author-0015"><persName><forename type="first">J.-P.</forename><surname>Repellin</surname></persName><affiliation>Laboratoire de l'Accélérateur Linéaire, Orsay, France</affiliation></author><author xml:id="author-0016"><persName><forename type="first">B.J.</forename><surname>Saunders</surname></persName><affiliation>Rutherford Laboratory, Chilton, Didcot, England</affiliation></author><author xml:id="author-0017"><persName><forename type="first">G.</forename><surname>Sauvage</surname></persName><affiliation>Laboratoire de l'Accélérateur Linéaire, Orsay, France</affiliation></author><author xml:id="author-0018"><persName><forename type="first">B.</forename><surname>Schiby</surname></persName><affiliation>CRN-Division des Hautes Energies, Strasbourg, France</affiliation></author><author xml:id="author-0019"><persName><forename type="first">H.W.</forename><surname>Siebert</surname></persName><affiliation>Physikalisches Institut, Universität Heidelberg, Germany11Work supported by the Bundesministerium für Forschung und Technologie, Germany.</affiliation></author><author xml:id="author-0020"><persName><forename type="first">V.J.</forename><surname>Smith</surname></persName><affiliation>H.H. Wills Physics Laboratory, University of Bristol, England</affiliation></author><author xml:id="author-0021"><persName><forename type="first">K.-P.</forename><surname>Streit</surname></persName><affiliation>Physikalisches Institut, Universität Heidelberg, Germany11Work supported by the Bundesministerium für Forschung und Technologie, Germany.</affiliation></author><author xml:id="author-0022"><persName><forename type="first">R.</forename><surname>Strub</surname></persName><affiliation>CRN-Division des Hautes Energies, Strasbourg, France</affiliation></author><author xml:id="author-0023"><persName><forename type="first">J.J.</forename><surname>Thresher</surname></persName><affiliation>Rutherford Laboratory, Chilton, Didcot, England</affiliation></author><author xml:id="author-0024"><persName><forename type="first">S.N.</forename><surname>Tovey</surname></persName><affiliation>University of Melbourne, Australia</affiliation><affiliation>CERN, Geneva, Switzerland</affiliation></author><idno type="istex">D994CAA115F8BEFF2A549B04E983CED3EF4568C1</idno><idno type="DOI">10.1016/0370-2693(79)90144-8</idno><idno type="PII">0370-2693(79)90144-8</idno></analytic><monogr><title level="j">Physics Letters B</title><title level="j" type="abbrev">PLB</title><idno type="pISSN">0370-2693</idno><idno type="PII">S0370-2693(00)X0508-4</idno><imprint><publisher>ELSEVIER</publisher><date type="published" when="1979"></date><biblScope unit="volume">88</biblScope><biblScope unit="issue">1–2</biblScope><biblScope unit="page" from="192">192</biblScope><biblScope unit="page" to="198">198</biblScope></imprint></monogr></biblStruct></sourceDesc></fileDesc><profileDesc><creation><date>1979</date></creation><langUsage><language ident="en">en</language></langUsage><abstract xml:lang="en"><p>In an experiment in the CERN-SPS charged-hyperon beam, the main Ω− decay branching ratios have been measured to be Γ(Ω−→ΛK−/Γ(all)=0.686±0.013, Γ(Ω−1→Ξ0π−)/Γ(all)=0.234±0.013, Γ(Ω −→Ξ−π0)/Γ(all)=0.080±0.008. The relative branching ratio of the two Ξπ modes provides a test of the ΔI=12 rule in decuplet-octet transitions. A search has also been made for the rare decay modes Ω−→Λπ−, Ω−→Ξ−γ, Ω−→Ξ−π+π− and Ω −→Ξ0e−ν.</p></abstract></profileDesc><revisionDesc><change when="1979">Published</change></revisionDesc></teiHeader></istex:fulltextTEI><json:item><extension>txt</extension><original>false</original><mimetype>text/plain</mimetype><uri>https://api.istex.fr/document/D994CAA115F8BEFF2A549B04E983CED3EF4568C1/fulltext/txt</uri></json:item></fulltext><metadata><istex:metadataXml wicri:clean="Elsevier, elements deleted: tail"><istex:xmlDeclaration>version="1.0" encoding="utf-8"</istex:xmlDeclaration><istex:docType PUBLIC="-//ES//DTD journal article DTD version 4.5.2//EN//XML" URI="art452.dtd" name="istex:docType"></istex:docType><istex:document><converted-article version="4.5.2" docsubtype="fla"><item-info><jid>PLB</jid><aid>79901448</aid><ce:pii>0370-2693(79)90144-8</ce:pii><ce:doi>10.1016/0370-2693(79)90144-8</ce:doi><ce:copyright type="unknown" year="1979"></ce:copyright></item-info><head><ce:title>First measurement of the <math altimg="si1.gif">Ω<sup>−</sup></math> decay branching ratios</ce:title><ce:author-group><ce:collaboration><ce:text>Bristol-Geneva-Heidelberg-Orsay-Rutherford-Strasbourg Collaboration</ce:text></ce:collaboration><ce:author><ce:given-name>M.</ce:given-name><ce:surname>Bourquin</ce:surname><ce:cross-ref refid="AFF2"><ce:sup>b</ce:sup></ce:cross-ref></ce:author><ce:author><ce:given-name>R.M.</ce:given-name><ce:surname>Brown</ce:surname><ce:cross-ref refid="AFF5"><ce:sup>e</ce:sup></ce:cross-ref></ce:author><ce:author><ce:given-name>Y.</ce:given-name><ce:surname>Chatelus</ce:surname><ce:cross-ref refid="AFF6"><ce:sup>f</ce:sup></ce:cross-ref></ce:author><ce:author><ce:given-name>J.C.</ce:given-name><ce:surname>Chollet</ce:surname><ce:cross-ref refid="AFF4"><ce:sup>d</ce:sup></ce:cross-ref></ce:author><ce:author><ce:given-name>A.</ce:given-name><ce:surname>Degré</ce:surname><ce:cross-ref refid="AFF6"><ce:sup>f</ce:sup></ce:cross-ref></ce:author><ce:author><ce:given-name>D.</ce:given-name><ce:surname>Froidevaux</ce:surname><ce:cross-ref refid="AFF4"><ce:sup>d</ce:sup></ce:cross-ref></ce:author><ce:author><ce:given-name>A.R.</ce:given-name><ce:surname>Fyfe</ce:surname><ce:cross-ref refid="AFF1"><ce:sup>a</ce:sup></ce:cross-ref></ce:author><ce:author><ce:given-name>J.-M.</ce:given-name><ce:surname>Gaillard</ce:surname><ce:cross-ref refid="AFF4"><ce:sup>d</ce:sup></ce:cross-ref></ce:author><ce:author><ce:given-name>C.N.P.</ce:given-name><ce:surname>Gee</ce:surname><ce:cross-ref refid="AFF5"><ce:sup>e</ce:sup></ce:cross-ref></ce:author><ce:author><ce:given-name>W.M.</ce:given-name><ce:surname>Gibson</ce:surname><ce:cross-ref refid="AFF1"><ce:sup>a</ce:sup></ce:cross-ref></ce:author><ce:author><ce:given-name>P.</ce:given-name><ce:surname>Igo-Kemenes</ce:surname><ce:cross-ref refid="AFF3"><ce:sup>c</ce:sup></ce:cross-ref></ce:author><ce:author><ce:given-name>P.W.</ce:given-name><ce:surname>Jeffreys</ce:surname><ce:cross-ref refid="AFF1"><ce:sup>a</ce:sup></ce:cross-ref></ce:author><ce:author><ce:given-name>B.</ce:given-name><ce:surname>Merkel</ce:surname><ce:cross-ref refid="AFF4"><ce:sup>d</ce:sup></ce:cross-ref></ce:author><ce:author><ce:given-name>R.</ce:given-name><ce:surname>Morand</ce:surname><ce:cross-ref refid="AFF6"><ce:sup>f</ce:sup></ce:cross-ref></ce:author><ce:author><ce:given-name>H.</ce:given-name><ce:surname>Plothow</ce:surname><ce:cross-ref refid="AFF7"><ce:sup>g</ce:sup></ce:cross-ref></ce:author><ce:author><ce:given-name>J.-P.</ce:given-name><ce:surname>Repellin</ce:surname><ce:cross-ref refid="AFF4"><ce:sup>d</ce:sup></ce:cross-ref></ce:author><ce:author><ce:given-name>B.J.</ce:given-name><ce:surname>Saunders</ce:surname><ce:cross-ref refid="AFF5"><ce:sup>e</ce:sup></ce:cross-ref></ce:author><ce:author><ce:given-name>G.</ce:given-name><ce:surname>Sauvage</ce:surname><ce:cross-ref refid="AFF4"><ce:sup>d</ce:sup></ce:cross-ref></ce:author><ce:author><ce:given-name>B.</ce:given-name><ce:surname>Schiby</ce:surname><ce:cross-ref refid="AFF6"><ce:sup>f</ce:sup></ce:cross-ref></ce:author><ce:author><ce:given-name>H.W.</ce:given-name><ce:surname>Siebert</ce:surname><ce:cross-ref refid="AFF3"><ce:sup>c</ce:sup></ce:cross-ref></ce:author><ce:author><ce:given-name>V.J.</ce:given-name><ce:surname>Smith</ce:surname><ce:cross-ref refid="AFF1"><ce:sup>a</ce:sup></ce:cross-ref></ce:author><ce:author><ce:given-name>K.-P.</ce:given-name><ce:surname>Streit</ce:surname><ce:cross-ref refid="AFF3"><ce:sup>c</ce:sup></ce:cross-ref></ce:author><ce:author><ce:given-name>R.</ce:given-name><ce:surname>Strub</ce:surname><ce:cross-ref refid="AFF6"><ce:sup>f</ce:sup></ce:cross-ref></ce:author><ce:author><ce:given-name>J.J.</ce:given-name><ce:surname>Thresher</ce:surname><ce:cross-ref refid="AFF5"><ce:sup>e</ce:sup></ce:cross-ref></ce:author><ce:author><ce:given-name>S.N.</ce:given-name><ce:surname>Tovey</ce:surname><ce:cross-ref refid="AFF8"><ce:sup>h</ce:sup></ce:cross-ref><ce:cross-ref refid="AFF9"><ce:sup>i</ce:sup></ce:cross-ref></ce:author><ce:affiliation id="AFF1"><ce:label>a</ce:label><ce:textfn>H.H. Wills Physics Laboratory, University of Bristol, England</ce:textfn></ce:affiliation><ce:affiliation id="AFF2"><ce:label>b</ce:label><ce:textfn>University of Geneva, Switzerland</ce:textfn></ce:affiliation><ce:affiliation id="AFF3"><ce:label>c</ce:label><ce:textfn>Physikalisches Institut, Universität Heidelberg, Germany<ce:cross-ref refid="FN1"><ce:sup>1</ce:sup></ce:cross-ref><ce:footnote id="FN1"><ce:label>1</ce:label><ce:note-para>Work supported by the Bundesministerium für Forschung und Technologie, Germany.</ce:note-para></ce:footnote></ce:textfn></ce:affiliation><ce:affiliation id="AFF4"><ce:label>d</ce:label><ce:textfn>Laboratoire de l'Accélérateur Linéaire, Orsay, France</ce:textfn></ce:affiliation><ce:affiliation id="AFF5"><ce:label>e</ce:label><ce:textfn>Rutherford Laboratory, Chilton, Didcot, England</ce:textfn></ce:affiliation><ce:affiliation id="AFF6"><ce:label>f</ce:label><ce:textfn>CRN-Division des Hautes Energies, Strasbourg, France</ce:textfn></ce:affiliation><ce:affiliation id="AFF7"><ce:label>g</ce:label><ce:textfn>CERN, Geneva, Switzerland</ce:textfn></ce:affiliation><ce:affiliation id="AFF8"><ce:label>h</ce:label><ce:textfn>University of Melbourne, Australia</ce:textfn></ce:affiliation><ce:affiliation id="AFF9"><ce:label>i</ce:label><ce:textfn>CERN, Geneva, Switzerland</ce:textfn></ce:affiliation></ce:author-group><ce:date-received day="26" month="9" year="1979"></ce:date-received><ce:abstract><ce:section-title>Abstract</ce:section-title><ce:abstract-sec><ce:simple-para>In an experiment in the CERN-SPS charged-hyperon beam, the main <math altimg="si2.gif">Ω<sup>−</sup></math> decay branching ratios have been measured to be <math altimg="si3.gif">Γ(Ω<sup>−</sup>→Λ<rm>K</rm><sup>−</sup>/Γ(<rm>all</rm>)=0.686±0.013</math>, <math altimg="si4.gif">Γ(Ω<sup>−1</sup>→Ξ<sup>0</sup>π<sup>−</sup>)/Γ(<rm>all</rm>)=0.234±0.013</math>, <math altimg="si5.gif">Γ(Ω <sup>−</sup>→Ξ<sup>−</sup>π<sup>0</sup>)/Γ(<rm>all</rm>)=0.080±0.008</math>. The relative branching ratio of the two Ξπ modes provides a test of the <math altimg="si6.gif">ΔI=<fr shape="sol"><nu>1</nu><de>2</de></fr></math> rule in decuplet-octet transitions. A search has also been made for the rare decay modes <math altimg="si7.gif">Ω<sup>−</sup>→Λπ<sup>−</sup>, Ω<sup>−</sup>→Ξ<sup>−</sup>γ, Ω<sup>−</sup>→Ξ<sup>−</sup>π<sup>+</sup>π<sup>−</sup> and Ω <sup>−</sup>→Ξ<sup>0</sup>e<sup>−</sup><ovl type="bar">ν</ovl></math>.</ce:simple-para></ce:abstract-sec></ce:abstract></head></converted-article></istex:document></istex:metadataXml><mods version="3.6"><titleInfo><title>First measurement of the Ω− decay branching ratios</title></titleInfo><titleInfo type="alternative" contentType="CDATA"><title>First measurement of the</title></titleInfo><name type="corporate"><namePart>Bristol-Geneva-Heidelberg-Orsay-Rutherford-Strasbourg Collaboration</namePart></name><name type="personal"><namePart type="given">M.</namePart><namePart type="family">Bourquin</namePart><affiliation>University of Geneva, Switzerland</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">R.M.</namePart><namePart type="family">Brown</namePart><affiliation>Rutherford Laboratory, Chilton, Didcot, England</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Y.</namePart><namePart type="family">Chatelus</namePart><affiliation>CRN-Division des Hautes Energies, Strasbourg, France</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">J.C.</namePart><namePart type="family">Chollet</namePart><affiliation>Laboratoire de l'Accélérateur Linéaire, Orsay, France</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">A.</namePart><namePart type="family">Degré</namePart><affiliation>CRN-Division des Hautes Energies, Strasbourg, France</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">D.</namePart><namePart type="family">Froidevaux</namePart><affiliation>Laboratoire de l'Accélérateur Linéaire, Orsay, France</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">A.R.</namePart><namePart type="family">Fyfe</namePart><affiliation>H.H. Wills Physics Laboratory, University of Bristol, England</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">J.-M.</namePart><namePart type="family">Gaillard</namePart><affiliation>Laboratoire de l'Accélérateur Linéaire, Orsay, France</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">C.N.P.</namePart><namePart type="family">Gee</namePart><affiliation>Rutherford Laboratory, Chilton, Didcot, England</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">W.M.</namePart><namePart type="family">Gibson</namePart><affiliation>H.H. Wills Physics Laboratory, University of Bristol, England</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">P.</namePart><namePart type="family">Igo-Kemenes</namePart><affiliation>Physikalisches Institut, Universität Heidelberg, Germany11Work supported by the Bundesministerium für Forschung und Technologie, Germany.</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">P.W.</namePart><namePart type="family">Jeffreys</namePart><affiliation>H.H. Wills Physics Laboratory, University of Bristol, England</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">B.</namePart><namePart type="family">Merkel</namePart><affiliation>Laboratoire de l'Accélérateur Linéaire, Orsay, France</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">R.</namePart><namePart type="family">Morand</namePart><affiliation>CRN-Division des Hautes Energies, Strasbourg, France</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">H.</namePart><namePart type="family">Plothow</namePart><affiliation>CERN, Geneva, Switzerland</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">J.-P.</namePart><namePart type="family">Repellin</namePart><affiliation>Laboratoire de l'Accélérateur Linéaire, Orsay, France</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">B.J.</namePart><namePart type="family">Saunders</namePart><affiliation>Rutherford Laboratory, Chilton, Didcot, England</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">G.</namePart><namePart type="family">Sauvage</namePart><affiliation>Laboratoire de l'Accélérateur Linéaire, Orsay, France</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">B.</namePart><namePart type="family">Schiby</namePart><affiliation>CRN-Division des Hautes Energies, Strasbourg, France</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">H.W.</namePart><namePart type="family">Siebert</namePart><affiliation>Physikalisches Institut, Universität Heidelberg, Germany11Work supported by the Bundesministerium für Forschung und Technologie, Germany.</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">V.J.</namePart><namePart type="family">Smith</namePart><affiliation>H.H. Wills Physics Laboratory, University of Bristol, England</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">K.-P.</namePart><namePart type="family">Streit</namePart><affiliation>Physikalisches Institut, Universität Heidelberg, Germany11Work supported by the Bundesministerium für Forschung und Technologie, Germany.</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">R.</namePart><namePart type="family">Strub</namePart><affiliation>CRN-Division des Hautes Energies, Strasbourg, France</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">J.J.</namePart><namePart type="family">Thresher</namePart><affiliation>Rutherford Laboratory, Chilton, Didcot, England</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">S.N.</namePart><namePart type="family">Tovey</namePart><affiliation>University of Melbourne, Australia</affiliation><affiliation>CERN, Geneva, Switzerland</affiliation><role><roleTerm type="text">author</roleTerm></role></name><typeOfResource>text</typeOfResource><genre type="research-article" displayLabel="Full-length article" authority="ISTEX" authorityURI="https://content-type.data.istex.fr" valueURI="https://content-type.data.istex.fr/ark:/67375/XTP-1JC4F85T-7">research-article</genre><originInfo><publisher>ELSEVIER</publisher><dateIssued encoding="w3cdtf">1979</dateIssued><copyrightDate encoding="w3cdtf">1979</copyrightDate></originInfo><language><languageTerm type="code" authority="iso639-2b">eng</languageTerm><languageTerm type="code" authority="rfc3066">en</languageTerm></language><abstract lang="en">Abstract: In an experiment in the CERN-SPS charged-hyperon beam, the main Ω− decay branching ratios have been measured to be Γ(Ω−→ΛK−/Γ(all)=0.686±0.013, Γ(Ω−1→Ξ0π−)/Γ(all)=0.234±0.013, Γ(Ω −→Ξ−π0)/Γ(all)=0.080±0.008. The relative branching ratio of the two Ξπ modes provides a test of the ΔI=12 rule in decuplet-octet transitions. A search has also been made for the rare decay modes Ω−→Λπ−, Ω−→Ξ−γ, Ω−→Ξ−π+π− and Ω −→Ξ0e−ν.</abstract><relatedItem type="host"><titleInfo><title>Physics Letters B</title></titleInfo><titleInfo type="abbreviated"><title>PLB</title></titleInfo><genre type="journal" authority="ISTEX" authorityURI="https://publication-type.data.istex.fr" valueURI="https://publication-type.data.istex.fr/ark:/67375/JMC-0GLKJH51-B">journal</genre><originInfo><publisher>ELSEVIER</publisher><dateIssued encoding="w3cdtf">19791203</dateIssued></originInfo><identifier type="ISSN">0370-2693</identifier><identifier type="PII">S0370-2693(00)X0508-4</identifier><part><date>19791203</date><detail type="volume"><number>88</number><caption>vol.</caption></detail><detail type="issue"><number>1–2</number><caption>no.</caption></detail><extent unit="issue-pages"><start>1</start><end>202</end></extent><extent unit="pages"><start>192</start><end>198</end></extent></part></relatedItem><identifier type="istex">D994CAA115F8BEFF2A549B04E983CED3EF4568C1</identifier><identifier type="ark">ark:/67375/6H6-01XM6QS6-9</identifier><identifier type="DOI">10.1016/0370-2693(79)90144-8</identifier><identifier type="PII">0370-2693(79)90144-8</identifier><recordInfo><recordContentSource authority="ISTEX" authorityURI="https://loaded-corpus.data.istex.fr" valueURI="https://loaded-corpus.data.istex.fr/ark:/67375/XBH-HKKZVM7B-M">elsevier</recordContentSource></recordInfo></mods><json:item><extension>json</extension><original>false</original><mimetype>application/json</mimetype><uri>https://api.istex.fr/document/D994CAA115F8BEFF2A549B04E983CED3EF4568C1/metadata/json</uri></json:item></metadata><serie></serie></istex></record>Pour manipuler ce document sous Unix (Dilib)
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