Spin structure of the Δ excitation
Identifieur interne : 000B47 ( Main/Exploration ); précédent : 000B46; suivant : 000B48Spin structure of the Δ excitation
Auteurs : C. Ellegaard [Danemark] ; C. Gaarde [Danemark] ; T. S. J Rgensen [Danemark] ; J. S. Larsen [Danemark] ; B. Million [Danemark] ; C. Goodman [États-Unis] ; A. Brockstedt [Suède] ; P. Ekström [Suède] ; M. Österlund [Suède] ; M. Bedjidian [France] ; D. Contardo [France] ; D. Bachelier [France] ; J. L. Boyard [France] ; T. Hennino [France] ; J. C. Jourdain [France] ; M. Roy-Stephan [France] ; P. Radvanyi [France] ; P. Zupranski [France]Source :
- Physics Letters B [ 0370-2693 ] ; 1989.
Abstract
Spin structure and cross section data for Δ production in the (n, p-like reaction (d, 2p[1S0]) on p, d and 12C targets are presented. At laboratory kinetic energies 2 GeV and 1.6 GeV, and forward scattering angles, we find dominance of spin transverse over spin longitudinal cross section for free Δ production. On the nucleus 12C we find significant enhancement of the transverse dominance, and a large downwards shift in the peak position of the laboratory energy transfer associated with the production of the Δ.
Url:
DOI: 10.1016/0370-2693(89)90677-1
Affiliations:
- Danemark, France, Suède, États-Unis
- Auvergne-Rhône-Alpes, Indiana, Rhône-Alpes, Île-de-France
- Gif-sur-Yvette, Orsay, Villeurbanne
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At laboratory kinetic energies 2 GeV and 1.6 GeV, and forward scattering angles, we find dominance of spin transverse over spin longitudinal cross section for free Δ production. On the nucleus 12C we find significant enhancement of the transverse dominance, and a large downwards shift in the peak position of the laboratory energy transfer associated with the production of the Δ.</div></front></TEI><affiliations><list><country><li>Danemark</li><li>France</li><li>Suède</li><li>États-Unis</li></country><region><li>Auvergne-Rhône-Alpes</li><li>Indiana</li><li>Rhône-Alpes</li><li>Île-de-France</li></region><settlement><li>Gif-sur-Yvette</li><li>Orsay</li><li>Villeurbanne</li></settlement></list><tree><country name="Danemark"><noRegion><name sortKey="Ellegaard, C" sort="Ellegaard, C" uniqKey="Ellegaard C" first="C." last="Ellegaard">C. Ellegaard</name></noRegion><name sortKey="Gaarde, C" sort="Gaarde, C" uniqKey="Gaarde C" first="C." last="Gaarde">C. Gaarde</name><name sortKey="J Rgensen, T S" sort="J Rgensen, T S" uniqKey="J Rgensen T" first="T. S." last="J Rgensen">T. S. J Rgensen</name><name sortKey="Larsen, J S" sort="Larsen, J S" uniqKey="Larsen J" first="J. S." last="Larsen">J. S. Larsen</name><name sortKey="Million, B" sort="Million, B" uniqKey="Million B" first="B." last="Million">B. Million</name></country><country name="États-Unis"><region name="Indiana"><name sortKey="Goodman, C" sort="Goodman, C" uniqKey="Goodman C" first="C." last="Goodman">C. Goodman</name></region></country><country name="Suède"><noRegion><name sortKey="Brockstedt, A" sort="Brockstedt, A" uniqKey="Brockstedt A" first="A." last="Brockstedt">A. Brockstedt</name></noRegion><name sortKey="Ekstrom, P" sort="Ekstrom, P" uniqKey="Ekstrom P" first="P." last="Ekström">P. Ekström</name><name sortKey="Osterlund, M" sort="Osterlund, M" uniqKey="Osterlund M" first="M." last="Österlund">M. Österlund</name></country><country name="France"><region name="Auvergne-Rhône-Alpes"><name sortKey="Bedjidian, M" sort="Bedjidian, M" uniqKey="Bedjidian M" first="M." last="Bedjidian">M. Bedjidian</name></region><name sortKey="Bachelier, D" sort="Bachelier, D" uniqKey="Bachelier D" first="D." last="Bachelier">D. Bachelier</name><name sortKey="Boyard, J L" sort="Boyard, J L" uniqKey="Boyard J" first="J. L." last="Boyard">J. L. Boyard</name><name sortKey="Contardo, D" sort="Contardo, D" uniqKey="Contardo D" first="D." last="Contardo">D. Contardo</name><name sortKey="Hennino, T" sort="Hennino, T" uniqKey="Hennino T" first="T." last="Hennino">T. Hennino</name><name sortKey="Jourdain, J C" sort="Jourdain, J C" uniqKey="Jourdain J" first="J. C." last="Jourdain">J. C. Jourdain</name><name sortKey="Radvanyi, P" sort="Radvanyi, P" uniqKey="Radvanyi P" first="P." last="Radvanyi">P. Radvanyi</name><name sortKey="Roy Stephan, M" sort="Roy Stephan, M" uniqKey="Roy Stephan M" first="M." last="Roy-Stephan">M. Roy-Stephan</name><name sortKey="Zupranski, P" sort="Zupranski, P" uniqKey="Zupranski P" first="P." last="Zupranski">P. Zupranski</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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