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Measurement of Ge-73(n, gamma) cross sections and implications for stellar nucleosynthesis

Lederer-Woods, C. and Battino, U. and Ferreira, P. and Gawlik, A. and Guerrero, C. and Gunsing, F. and Heinitz, S. and Lerendegui-Marco, J. and Mengoni, A. and Reifarth, R. and Tattersalla, A. and Valenta, S. and Weiss, C. and Aberle, O. and Andrzejewski, J. and Audouink, L. and Becares, V. and Bacak, M. and Balibrea, J. and Barbagallo, M. and Barros, S. and Becvar, F. and Beinrucker, C. and Belloni, F. and Berthoumieux, E. and Billowes, J. and Bosnar, D. and Brugger, M. and Caamano, M. and Calvino, F. and Calviani, M. and Cano-Ott, D. and Cerutti, F. and Chiaveri, E. and Colonna, N. and Cortes, G. and Cortes-Giraldo, M. A. and Cosentino, L. and Damone, L. A. and Deo, K. and Diakaki, M. and Dietz, M. and Domingo-Pardo, C. and Dressler, R. and Dupont, E. and Duran, I. and Fernandez-Dominguez, B. and Ferrari, A. and Finocchiaro, P. and Frosto, R. J. W. and Furman, V. and Goebel, K. and Garcia, A. R. and Gheorghe, I. and Glodariu, T. and Goncalves, I. F. and Gonzalez-Romero, E. and Goverdovski, A. and Griesmayer, E. and Harada, H. and Heftrich, T. and Hernandez-Prieto, A. and Heyse, J. and Jenkins, D. G. and Jericha, E. and Kaeppeler, F. and Kadi, Y. and Katabuchi, T. and Kavrigin, P. and Ketlerov, V. and Khryachkov, V. and Kimura, A. and Kivel, N. and Knapova, I. and Kokkoris, M. and Krticka, M. and Leal-Cidoncha, E. and Leeb, H. and Licata, M. and Lo Meo, S. and Losito, R. and Macina, D. and Marganiec, J. and Martinez, T. and Massimi, C. and Mastinu, P. and Mastromarco, N. and Matteucci, F. and Mendoza, E. and Milazzo, P. M. and Mingrone, F. and Mirea, M. and Montesano, S. and Musumarra, A. and Nolte, R. and Palomo-Pinto, F. R. and Paradela, C. and Patronis, N. and Pavlik, A. and Perkowski, J. and Porras, J. and Praena, J. and Quesada, J. M. and Rauscher, T. and Riego-Perez, A. and Robles, M. and Rubbia, C. and Ryan, J. A. and Sabate-Gilarte, M. and Saxena, A. and Schillebeeckx, P. and Schmidt, S. and Schumann, D. and Sedyshev, P. and Smitho, A. G. and Stamatopoulos, A. and Suryanarayana, S. and Tagliente, G. and Tain, J. L. and Tarifeno-Saldivia, A. and Tassan-Got, L. and Tsinganis, A. and Vannini, G. and Variale, V. and Vaz, P. and Ventura, A. and Vlachoudis, V. and Vlastou, R. and Wallner, A. and Warren, S. and Weigand, M. and Wright, T. and Zugec, P.. (2019) Measurement of Ge-73(n, gamma) cross sections and implications for stellar nucleosynthesis. PHYSICS LETTERS B, 790. pp. 458-465.

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Official URL: https://edoc.unibas.ch/71994/

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Abstract

Ge-73(n, gamma) cross sections were measured at the neutron time-of-flight facility n_TOF at CERN up to neutron energies of 300 keV, providing for the first time experimental data above 8 keV. Results indicate that the stellar cross section at kT = 30 keV is 1.5 to 1.7 times higher than most theoretical predictions. The new cross sections result in a substantial decrease of Ge-73 produced in stars, which would explain the low isotopic abundance of Ge-73 in the solar system. (C) 2019 The Author(s). Published by Elsevier B.V.
Faculties and Departments:05 Faculty of Science > Departement Physik > Former Organization Units Physics > Theoretische Physik Astrophysik (Thielemann)
UniBasel Contributors:Rauscher, Thomas
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:ELSEVIER SCIENCE BV
ISSN:0370-2693
Note:Publication type according to Uni Basel Research Database: Journal article
Identification Number:
Last Modified:08 Oct 2019 09:36
Deposited On:08 Oct 2019 09:36

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