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Neutron physics of the Re/Os clock. III. Resonance analyses and stellar (n, gamma) cross sections of Os-186,Os-187,Os-188

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dc.contributor.author Fujii, K en
dc.contributor.author Mosconi, M en
dc.contributor.author Mengoni, A en
dc.contributor.author Domingo-Pardo, C en
dc.contributor.author Kappeler, F en
dc.contributor.author Abbondanno, U en
dc.contributor.author Aerts, G en
dc.contributor.author Alvarez-Pol, H en
dc.contributor.author Alvarez-Velarde, F en
dc.contributor.author Andriamonje, S en
dc.contributor.author Andrzejewski, J en
dc.contributor.author Assimakopoulos, P en
dc.contributor.author Audouin, L en
dc.contributor.author Badurek, G en
dc.contributor.author Baumann, P en
dc.contributor.author Becvar, F en
dc.contributor.author Belloni, F en
dc.contributor.author Berthoumieux, E en
dc.contributor.author Bisterzo, S en
dc.contributor.author Calviani, M en
dc.contributor.author Calvino, F en
dc.contributor.author Cano-Ott, D en
dc.contributor.author Capote, R en
dc.contributor.author de Albornoz, AC en
dc.contributor.author Cennini, P en
dc.contributor.author Chepel, V en
dc.contributor.author Chiaveri, E en
dc.contributor.author Colonna, N en
dc.contributor.author Cortes, G en
dc.contributor.author Couture, A en
dc.contributor.author Cox, J en
dc.contributor.author Dahlfors, M en
dc.contributor.author David, S en
dc.contributor.author Dillmann, I en
dc.contributor.author Dolfini, R en
dc.contributor.author Dridi, W en
dc.contributor.author Duran, I en
dc.contributor.author Eleftheriadis, C en
dc.contributor.author Embid-Segura, M en
dc.contributor.author Ferrant, L en
dc.contributor.author Ferrari, A en
dc.contributor.author Ferreira-Marques, R en
dc.contributor.author Fitzpatrick, L en
dc.contributor.author Frais-Koelbl, H en
dc.contributor.author Furman, W en
dc.contributor.author Gallino, R en
dc.contributor.author Goncalves, I en
dc.contributor.author Gonzalez-Romero, E en
dc.contributor.author Goverdovski, A en
dc.contributor.author Gramegna, F en
dc.contributor.author Griesmayer, E en
dc.contributor.author Guerrero, C en
dc.contributor.author Gunsing, F en
dc.contributor.author Haas, B en
dc.contributor.author Haight, R en
dc.contributor.author Heil, M en
dc.contributor.author Herrera-Martinez, A en
dc.contributor.author Igashira, M en
dc.contributor.author Isaev, S en
dc.contributor.author Jericha, E en
dc.contributor.author Kadi, Y en
dc.contributor.author Karamanis, D en
dc.contributor.author Karadimos, D en
dc.contributor.author Kerveno, M en
dc.contributor.author Ketlerov, V en
dc.contributor.author Koehler, P en
dc.contributor.author Konovalov, V en
dc.contributor.author Kossionides, E en
dc.contributor.author Krticka, M en
dc.contributor.author Lamboudis, C en
dc.contributor.author Leeb, H en
dc.contributor.author Lindote, A en
dc.contributor.author Lopes, I en
dc.contributor.author Lozano, M en
dc.contributor.author Lukic, S en
dc.contributor.author Marganiec, J en
dc.contributor.author Marques, L en
dc.contributor.author Marrone, S en
dc.contributor.author Massimi, C en
dc.contributor.author Mastinu, P en
dc.contributor.author Milazzo, PM en
dc.contributor.author Moreau, C en
dc.contributor.author Neves, F en
dc.contributor.author Oberhummer, H en
dc.contributor.author Oshima, M en
dc.contributor.author O'Brien, S en
dc.contributor.author Pancin, J en
dc.contributor.author Papachristodoulou, C en
dc.contributor.author Papadopoulos, C en
dc.contributor.author Paradela, C en
dc.contributor.author Patronis, N en
dc.contributor.author Pavlik, A en
dc.contributor.author Pavlopoulos, P en
dc.contributor.author Perrot, L en
dc.contributor.author Plag, R en
dc.contributor.author Plompen, A en
dc.contributor.author Plukis, A en
dc.contributor.author Poch, A en
dc.contributor.author Praena, J en
dc.contributor.author Pretel, C en
dc.contributor.author Quesada, J en
dc.contributor.author Rauscher, T en
dc.contributor.author Reifarth, R en
dc.contributor.author Rosetti, M en
dc.contributor.author Rubbia, C en
dc.contributor.author Rudolf, G en
dc.contributor.author Rullhusen, P en
dc.contributor.author Salgado, J en
dc.contributor.author Sarchiapone, L en
dc.contributor.author Savvidis, I en
dc.contributor.author Stephan, C en
dc.contributor.author Tagliente, G en
dc.contributor.author Tain, JL en
dc.contributor.author Tassan-Got, L en
dc.contributor.author Tavora, L en
dc.contributor.author Terlizzi, R en
dc.contributor.author Vannini, G en
dc.contributor.author Vaz, P en
dc.contributor.author Ventura, A en
dc.contributor.author Villamarin, D en
dc.contributor.author Vincente, MC en
dc.contributor.author Vlachoudis, V en
dc.contributor.author Vlastou, R en
dc.contributor.author Voss, F en
dc.contributor.author Walter, S en
dc.contributor.author Wendler, H en
dc.contributor.author Wiescher, M en
dc.contributor.author Wisshak, K en
dc.date.accessioned 2014-03-01T02:00:30Z
dc.date.available 2014-03-01T02:00:30Z
dc.date.issued 2010 en
dc.identifier.issn 0556-2813 en
dc.identifier.uri https://dspace.lib.ntua.gr/xmlui/handle/123456789/29112
dc.subject.classification Physics, Nuclear en
dc.subject.other GIANT BRANCH STARS en
dc.subject.other METAL-POOR en
dc.subject.other RE-187-OS-187 SYSTEMATICS en
dc.subject.other CHEMICAL EVOLUTION en
dc.subject.other STATISTICAL-MODEL en
dc.subject.other OSMIUM ISOTOPES en
dc.subject.other CAPTURE en
dc.subject.other NUCLEOSYNTHESIS en
dc.subject.other AGE en
dc.subject.other COSMOCHRONOLOGY en
dc.title Neutron physics of the Re/Os clock. III. Resonance analyses and stellar (n, gamma) cross sections of Os-186,Os-187,Os-188 en
heal.type journalArticle en
heal.identifier.secondary 015804 en
heal.language English en
heal.publicationDate 2010 en
heal.abstract Neutron resonance analyses have been performed for the capture cross sections of Os-186, Os-187, and Os-188 measured at the n_TOF facility at CERN. Resonance parameters have been extracted up to 5, 3, and 8 keV, respectively, using the SAMMY code for a full R-matrix fit of the capture yields. From these results average resonance parameters were derived by a statistical analysis to provide a comprehensive experimental basis for modeling of the stellar neutron capture rates of these isotopes in terms of the Hauser-Feshbach statistical model. Consistent calculations for the capture and inelastic reaction channels are crucial for the evaluation of stellar enhancement factors to correct the Maxwellian averaged cross sections obtained from experimental data for the effect of thermally populated excited states. These factors have been calculated for the full temperature range of current scenarios of s-process nucleosynthesis using the combined information of the experimental data in the region of resolved resonances and in the continuum. The consequences of this analysis for the s-process component of the Os-187 abundance and the related impact on the evaluation of the time duration of galactic nucleosynthesis via the Re/Os cosmochronometer are discussed. en
heal.publisher AMER PHYSICAL SOC en
heal.journalName PHYSICAL REVIEW C en
dc.identifier.isi ISI:000279940200009 en
dc.identifier.volume 82 en
dc.identifier.issue 1 en


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