Integral cross section of the99Tc(γ,γ′)99mTc reaction at 4 MeV
Identifieur interne : 000258 ( Main/Exploration ); précédent : 000257; suivant : 000259Integral cross section of the99Tc(γ,γ′)99mTc reaction at 4 MeV
Auteurs : RBID : ISTEX:10967_1993_Article_BF02163493.pdfAbstract
99mTc production was studied with the aid of photoexcitation by a 4 MeV endpoint energy bremsstrahlung from the LINAC of the Institute of Isotopes, Budapest. The intensity of the γ-flux was monitored by disc-shaped natural indium plates, placed in front of and behind the small cylindrical aluminium holders containing TcO2 samples in a powder form. Isomeric activities were measured through the 140 keV γ-line by a Ge spectrometer. The integral cross section at 4 MeV was found to be 63.3±7.1 μbMeV, which can be considered reasonable compared to the corresponding value of 55.3 μbMeV established for the115In (γ,γ′)115mIn reaction. We also attempted the photoexcitation of99mTc by irradiation with γ-rays from a 1.5×1015 Bq60Co source, but no isomeric activity could be observed. This places the first activation level between 1.33 and 4 MeV.
DOI: 10.1007/BF02163493
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Lakosi</name><affiliation wicri:level="1"><mods:affiliation>Institute of Isotopes of, the Hungarian Academy of Sciences, P.O.Box 77, H-1525, Budapest, Hungary</mods:affiliation><country xml:lang="fr">Hongrie</country><wicri:regionArea>Institute of Isotopes of, the Hungarian Academy of Sciences, P.O.Box 77, H-1525, Budapest</wicri:regionArea><placeName><settlement type="city">Budapest</settlement><region nuts="2">Hongrie centrale</region></placeName></affiliation></author><author><name>I. Pavlicsek</name><affiliation wicri:level="1"><mods:affiliation>Institute of Isotopes of, the Hungarian Academy of Sciences, P.O.Box 77, H-1525, Budapest, Hungary</mods:affiliation><country xml:lang="fr">Hongrie</country><wicri:regionArea>Institute of Isotopes of, the Hungarian Academy of Sciences, P.O.Box 77, H-1525, Budapest</wicri:regionArea><placeName><settlement type="city">Budapest</settlement><region nuts="2">Hongrie centrale</region></placeName></affiliation></author><author><name>A. Veres</name><affiliation wicri:level="1"><mods:affiliation>Institute of Isotopes of, the Hungarian Academy of Sciences, P.O.Box 77, H-1525, Budapest, Hungary</mods:affiliation><country xml:lang="fr">Hongrie</country><wicri:regionArea>Institute of Isotopes of, the Hungarian Academy of Sciences, P.O.Box 77, H-1525, Budapest</wicri:regionArea><placeName><settlement type="city">Budapest</settlement><region nuts="2">Hongrie centrale</region></placeName></affiliation></author><author><name>T. Sekine</name><affiliation wicri:level="1"><mods:affiliation>Department of Chemistry, Faculty of Science, Tohoku University, Aoba-ku, 980, Sendai, Japan</mods:affiliation><country xml:lang="fr">Japon</country><wicri:regionArea>Department of Chemistry, Faculty of Science, Tohoku University, Aoba-ku, 980, Sendai</wicri:regionArea><wicri:noRegion>Sendai</wicri:noRegion></affiliation></author><author><name>K. Yoshihara</name><affiliation wicri:level="1"><mods:affiliation>Department of Chemistry, Faculty of Science, Tohoku University, Aoba-ku, 980, Sendai, Japan</mods:affiliation><country xml:lang="fr">Japon</country><wicri:regionArea>Department of Chemistry, Faculty of Science, Tohoku University, Aoba-ku, 980, Sendai</wicri:regionArea><wicri:noRegion>Sendai</wicri:noRegion></affiliation></author></titleStmt><publicationStmt><idno type="RBID">ISTEX:10967_1993_Article_BF02163493.pdf</idno><date when="1993">1993</date><idno type="doi">10.1007/BF02163493</idno><idno type="wicri:Area/Main/Corpus">000002</idno><idno type="wicri:Area/Main/Curation">000002</idno><idno type="wicri:Area/Main/Exploration">000258</idno></publicationStmt></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="eng">99mTc production was studied with the aid of photoexcitation by a 4 MeV endpoint energy bremsstrahlung from the LINAC of the Institute of Isotopes, Budapest. The intensity of the γ-flux was monitored by disc-shaped natural indium plates, placed in front of and behind the small cylindrical aluminium holders containing TcO2 samples in a powder form. Isomeric activities were measured through the 140 keV γ-line by a Ge spectrometer. The integral cross section at 4 MeV was found to be 63.3±7.1 μbMeV, which can be considered reasonable compared to the corresponding value of 55.3 μbMeV established for the115In (γ,γ′)115mIn reaction. We also attempted the photoexcitation of99mTc by irradiation with γ-rays from a 1.5×1015 Bq60Co source, but no isomeric activity could be observed. This places the first activation level between 1.33 and 4 MeV.</div></front></TEI><mods xsi:schemaLocation="http://www.loc.gov/mods/v3 file:///applis/istex/home/loadistex/home/etc/xsd/mods.xsd" version="3.4" istexId="00b6ac012efb9e154db06bbe607dd05de4a72fbe"><titleInfo lang="eng"><title>Integral cross section of the99Tc(γ,γ′)99mTc reaction at 4 MeV</title></titleInfo><name type="personal"><namePart type="given">J.</namePart><namePart type="family">Sáfár</namePart><role><roleTerm type="text">author</roleTerm></role><affiliation>Institute of Isotopes of, the Hungarian Academy of Sciences, P.O.Box 77, H-1525, Budapest, Hungary</affiliation></name><name type="personal"><namePart type="given">L.</namePart><namePart type="family">Lakosi</namePart><role><roleTerm type="text">author</roleTerm></role><affiliation>Institute of Isotopes of, the Hungarian Academy of Sciences, P.O.Box 77, H-1525, Budapest, Hungary</affiliation></name><name type="personal"><namePart type="given">I.</namePart><namePart type="family">Pavlicsek</namePart><role><roleTerm type="text">author</roleTerm></role><affiliation>Institute of Isotopes of, the Hungarian Academy of Sciences, P.O.Box 77, H-1525, Budapest, Hungary</affiliation></name><name type="personal"><namePart type="given">A.</namePart><namePart type="family">Veres</namePart><role><roleTerm type="text">author</roleTerm></role><affiliation>Institute of Isotopes of, the Hungarian Academy of Sciences, P.O.Box 77, H-1525, Budapest, Hungary</affiliation></name><name type="personal"><namePart type="given">T.</namePart><namePart type="family">Sekine</namePart><role><roleTerm type="text">author</roleTerm></role><affiliation>Department of Chemistry, Faculty of Science, Tohoku University, Aoba-ku, 980, Sendai, Japan</affiliation></name><name type="personal"><namePart type="given">K.</namePart><namePart type="family">Yoshihara</namePart><role><roleTerm type="text">author</roleTerm></role><affiliation>Department of Chemistry, Faculty of Science, Tohoku University, Aoba-ku, 980, Sendai, Japan</affiliation></name><typeOfResource>text</typeOfResource><genre>Original Paper</genre><originInfo><publisher>Kluwer Academic Publishers, Dordrecht</publisher><dateCreated encoding="w3cdtf">1993-04-02</dateCreated><dateCaptured encoding="w3cdtf">1993-04-10</dateCaptured><dateValid encoding="w3cdtf">2005-08-28</dateValid><copyrightDate encoding="w3cdtf">1993</copyrightDate></originInfo><language><languageTerm type="code" authority="iso639-2b">eng</languageTerm></language><physicalDescription><internetMediaType>text/html</internetMediaType></physicalDescription><abstract lang="eng">99mTc production was studied with the aid of photoexcitation by a 4 MeV endpoint energy bremsstrahlung from the LINAC of the Institute of Isotopes, Budapest. The intensity of the γ-flux was monitored by disc-shaped natural indium plates, placed in front of and behind the small cylindrical aluminium holders containing TcO2 samples in a powder form. Isomeric activities were measured through the 140 keV γ-line by a Ge spectrometer. The integral cross section at 4 MeV was found to be 63.3±7.1 μbMeV, which can be considered reasonable compared to the corresponding value of 55.3 μbMeV established for the115In (γ,γ′)115mIn reaction. We also attempted the photoexcitation of99mTc by irradiation with γ-rays from a 1.5×1015 Bq60Co source, but no isomeric activity could be observed. This places the first activation level between 1.33 and 4 MeV.</abstract><relatedItem type="series"><titleInfo type="abbreviated"><title>Journal of Radioanalytical and Nuclear Chemistry Letters</title></titleInfo><titleInfo><title>Journal of Radioanalytical and Nuclear Chemistry</title><subTitle>An International Journal Dealing with All Aspects and Applications of Nuclear Chemistry</subTitle><partNumber>Year: 1993</partNumber><partNumber>Volume: 176</partNumber><partNumber>Number: 4</partNumber></titleInfo><genre>Archive Journal</genre><originInfo><dateIssued encoding="w3cdtf">1993-10-01</dateIssued><copyrightDate encoding="w3cdtf">1993</copyrightDate></originInfo><subject usage="primary"><topic>Chemistry</topic><topic>Inorganic Chemistry</topic><topic>Physical Chemistry</topic><topic>Diagnostic Radiology</topic><topic>Nuclear Physics, Heavy Ions, Hadrons</topic><topic>Nuclear Chemistry</topic></subject><identifier type="issn">0236-5731</identifier><identifier type="issn">Electronic: 1588-2780</identifier><identifier type="matrixNumber">10967</identifier><identifier type="local">IssueArticleCount: 11</identifier><recordInfo><recordOrigin>Akadémiai Kiadó, 1993</recordOrigin></recordInfo></relatedItem><identifier type="doi">10.1007/BF02163493</identifier><identifier type="matrixNumber">Art3</identifier><identifier type="local">BF02163493</identifier><accessCondition type="use and reproduction">MetadataGrant: OpenAccess</accessCondition><accessCondition type="use and reproduction">AbstractGrant: OpenAccess</accessCondition><accessCondition type="restriction on access">BodyPDFGrant: Restricted</accessCondition><accessCondition type="restriction on access">BodyHTMLGrant: Restricted</accessCondition><accessCondition type="restriction on access">BibliographyGrant: Restricted</accessCondition><accessCondition type="restriction on access">ESMGrant: Restricted</accessCondition><part><extent unit="pages"><start>285</start><end>293</end></extent></part><recordInfo><recordOrigin>Akadémiai Kiadó, 1993</recordOrigin><recordIdentifier>10967_1993_Article_BF02163493.pdf</recordIdentifier></recordInfo></mods></record>Pour manipuler ce document sous Unix (Dilib)
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