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Galactic Chemical Evolution: the Impact of the 13C-pocket Structure on the s-process Distribution

Autor: R. Gallino, Sara Bisterzo, Michael Wiescher, F. Käppeler, Claudia Travaglio

The solar s-process abundances have been analyzed in the framework of a Galactic Chemical Evolution (GCE) model. The aim of this work is to implement the study by Bisterzo et al. (2014), who investigated the effect of one of the major uncertainties o

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f2d8bc19e0b3a5bf251e333ec35af65c

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Neutron-induced fission cross section of U-234 measured at the CERN n_TOF facility

Autor: D. Karadimos, R. Vlastou, K. Ioannidis, P. Demetriou, M. Diakaki, V. Vlachoudis, P. Pavlopoulos, V. Konovalov, U. Abbondanno, G. Aerts, H. Alvarez, F. Alvarez Velarde, S. Andriamonje, J. Andrzejewski, P. Assimakopoulos, L. Audouin, G. Badurek, P. Baumann, F. Becvar, E. Berthoumieux, F. Calvino, D. Cano Ott, R. Capote, A. C. de, V. Chepel, E. Chiaveri, N. Colonna, G. Cortes, A. Couture, J. Cox, S. David, R. Dolfini, C. Domingo Pardo, A. Dorochenko, W. Dridi, I. Duran, C. Eleftheriadis, M. Embid Segura, L. Ferrant, A. Ferrari, R. Ferreira Marques, L. Fitzpatrick, H. Frais Koelbl, K. Fuji, W. Furman, I. Goncalves, R. Gallino, P. Cennini, E. Gonzalez Romero, A. Goverdovski, F. Gramegna, E. Griesmayer, C. Guerrero, F. Gunsing, B. Haas, R. Haight, M. Heil, A. Herrera Martinez, M. Igashira, S. Isaev, E. Jericha, Y. Kadi, F. Kaeppeler, D. Karamanis, M. Kerveno, V. Ketlerov, P. Koehler, D. Kolokolov, M. Krticka, C. Lamboudis, H. Leeb, A. Lindote, I. Lopes, M. Lozano, S. Lukic, J. Marganiec, L. Marques, S. Marrone, P. Mastinu, A. Mengoni, P. M. Milazzo, C. Moreau, M. Mosconi, F. Neves, H. Oberhummer, S. O'Brien, M. Oshima, J. Pancin, C. Papadopoulos, C. Paradela, N. Patronis, A. Pavlik, L. Perrot, R. Plag, A. Plompen, A. Plukis, A. Poch, C. Pretel, J. Quesada, T. Rauscher, R. Reifarth, M. Rosetti, C. Rubbia, G. Rudolf, P. Rullhusen, J. Salgado, L. Sarchiapone, I. Savvidis, M. Sedysheva, K. Stamoulis, C. Stephan, G. Tagliente, J. L. Tain, L. Tassan Got, L. Tavora, R. Terlizzi, A. Tsinganis, P. Vaz, A. Ventura, D. Villamarin, M. C. Vincente, F. Voss, H. Wendler, M. Wiescher, K. Wisshak, MASSIMI, CRISTIAN, VANNINI, GIANNI

The neutron-induced fission cross section of U234 has been measured at the CERN n_TOF facility relative to the standard fission cross section of U235 from 20 keV to 1.4 MeV and of U238 from 1.4 to 200 MeV. A fast ionization chamber (FIC) was used as

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______4094::dfc99dd1aae3526b5f138be1465da247
http://hdl.handle.net/11585/412780

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Neutron-induced fission cross section ofNp237in the keV to MeV range at the CERN n_TOF facility

Autor: L. Sarchiapone, S. Andriamonje, G. Cortes, J. Marganiec, R. C. Haight, P. E. Koehler, H. Álvarez, Masayuki Igashira, K. Ioannidis, M. Oshima, C. Lamboudis, J. L. Tain, C. Paradela, E. Chiaveri, P. F. Mastinu, A. Dorochenko, J. Andrzejewski, G. Aerts, J. Cox, A. J. M. Plompen, Isabel Lopes, B. Haas, Matthias Heil, J. Pancin, E. Skordis, L. Audouin, F. Voss, P. Cennini, S. David, Roberto Capote, P.A. Assimakopoulos, Thomas Rauscher, F. Neves, P. M. Milazzo, A. Tsinganis, Y. Kadi, G. Tagliente, I. Duran, H. Frais-Koelbl, Carlos Guerrero, U. Abbondanno, M. Mosconi, P. Pavlopoulos, D. Karadimos, Nicola Colonna, C. Rubbia, M. Kokkoris, Michael Wiescher, V. Konovalov, F. Bečvář, Heinz Oberhummer, S. O'Brien, E. González-Romero, Isabel S. Gonçalves, K. C. Stamoulis, S. Marrone, W. Dridi, I. Savvidis, J. Salgado, D. Cano-Ott, Marco Calviani, M. Diakaki, A. Poch, Vasilis Vlachoudis, A. Lindote, M. Sedysheva, R. Terlizzi, A. Goverdovski, M. Kerveno, Rene Reifarth, E. Griesmayer, V. Ketlerov, A. Plukis, F. Alvarez-Velarde, A. Carrillo de Albornoz, C. Papadopoulos, M. Embid-Segura, L. Ferrant, L. Tavora, K. Fuji, Gerald Badurek, F. Käppeler, Paraskevi Demetriou, L. Fitzpatrick, F. Gramegna, Ralf Plag, R. Dolfini, A. Pavlik, J. M. Quesada, C. Eleftheriadis, M. Rosetti, C. Pretel, Manuel Lozano, C. Domingo-Pardo, L. Tassan-Got, M. C. Vincente, D. Villamarin, P. Rullhusen, M. Krtička, F. Calviño, W.I. Furman, L. Perrot, Corrie S. Moreau, R. Ferreira-Marques, S. Lukic, V. Chepel, A. Herrera-Martinez, N. Patronis, G. Rudolf, L. Marques, P. Vaz, Arnaud Ferrari, Aaron Couture, P. Baumann, Alberto Mengoni, S. Isaev, A. Ventura, R. Vlastou, E. Berthoumieux, G. Vannini, R. Gallino, K. Wisshak, D. Karamanis, H. Wendler, D. Kolokolov, H. Leeb, C. Stephan, F. Gunsing, Cristian Massimi, E. Jericha

Publikováno v: Physical Review C. 93

The neutron-induced fission cross section of Np237 was experimentally determined at the high-resolution and high-intensity facility n-TOF, at CERN, in the energy range 100 keV to 9 MeV, using the U235(n,f) and U238(n,f) cross section standards below

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::03e2ba8412905c4b0d4cfcb579d63758
https://doi.org/10.1103/physrevc.93.034614

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The s-process in low-metallicity stars - II. Interpretation of high-resolution spectroscopic observations with asymptotic giant branch models

Autor: Sergio Cristallo, F. Kaeppeler, R. Gallino, Sara Bisterzo, Oscar Straniero

Publikováno v: Monthly Notices of the Royal Astronomical Society. 418:284-319

High-resolution spectroscopic observations of a hundred metal-poor Carbon and s-rich stars (CEMP-s) collected from the literature are compared with the theoretical nucleosynthesis models of asymptotic giant branch (AGB) presented in Paper I (M = 1.3,

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::854977128af43eca6fc98e22f3ea9fa0
https://doi.org/10.1111/j.1365-2966.2011.19484.x

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EXTINCT93Zr IN SINGLE PRESOLAR SiC GRAINS FROM LOW MASS ASYMPTOTIC GIANT BRANCH STARS AND CONDENSATION FROM Zr-DEPLETED GAS

Autor: Robert N. Clayton, Andrew M. Davis, Z. Cai, Y. Kashiv, Stephen R. Sutton, Barry Lai, R. Gallino

Publikováno v: The Astrophysical Journal. 713:212-219

Synchrotron X-ray fluorescence was used in this study for the first time to measure trace element abundances in single presolar grains. The abundances of Zr and Nb were determined in SiC grains of the KJF size-separate. These grains are most likely f

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b71a1303277977ff92a2ac0a9281ddab
https://doi.org/10.1088/0004-637x/713/1/212

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EVOLUTION, NUCLEOSYNTHESIS, AND YIELDS OF LOW-MASS ASYMPTOTIC GIANT BRANCH STARS AT DIFFERENT METALLICITIES

Autor: Luciano Piersanti, I. Dominguez, M. T. Lederer, Sergio Cristallo, Oscar Straniero, R. Gallino

Publikováno v: The Astrophysical Journal. 696:797-820

The envelope of thermally pulsing AGB stars undergoing periodic third dredge-up episodes is enriched in both light and heavy elements, the ashes of a complex internal nucleosynthesis involving p, alpha and n captures over hundreds of stable and unsta

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0bf31a2d53b4a4e07ead164121357af8
https://doi.org/10.1088/0004-637x/696/1/797

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Asymptotic-Giant-Branch Models at Very Low Metallicity

Autor: Isabel Dominguez, Oscar Straniero, Luciano Piersanti, F. Käppeler, Sergio Cristallo, R. Gallino

Publikováno v: Publications of the Astronomical Society of Australia. 26:139-144

In this paper we present the evolution of a low mass model (initial mass M=1.5 Msun) with a very low metal content (Z=5x10^{-5}, equivalent to [Fe/H]=-2.44). We find that, at the beginning of the AGB phase, protons are ingested from the envelope in t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9a0d76823e05276e5bca7d24fdd5586d
https://doi.org/10.1071/as09003

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