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

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        S037026931930070X_main.pdf (PDF, 996Kb)
        Author
        Lederer-Woods, C.
        Battino, U.
        Ferreira, P.
        Gawlik, A.
        Guerrero, C.
        Gunsing, F.
        Heinitz, S.
        Lerendegui-Marco, J.
        Mengoni, A.
        Reifarth, R.
        Tattersall, A.
        Valenta, S.
        Weiss, C.
        Aberle, O.
        Andrzejewski, J.
        Audouin, L.
        Bécares, V.
        Bacak, M.
        Balibrea, J.
        Barbagallo, M.
        Barros, S.
        Bečvář, F.
        Beinrucker, C.
        Belloni, F.
        Berthoumieux, E.
        Billowes, J.
        Bosnar, D.
        Brugger, M.
        Caamaño, M.
        Calviño, F.
        Calviani, M.
        Cano-Ott, D.
        Cerutti, F.
        Chiaveri, E.
        Colonna, N.
        Cortés, G.
        Cortés-Giraldo, M. A.
        Cosentino, L.
        Damone, L. A.
        Deo, K.
        Diakaki, M.
        Dietz, M.
        Domingo-Pardo, C.
        Dressler, R.
        Dupont, E.
        Durán, I.
        Fernández-Domínguez, B.
        Ferrari, A.
        Finocchiaro, P.
        Frost, R. J.W.
        Furman, V.
        Göbel, K.
        García, A. R.
        Gheorghe, I.
        Glodariu, T.
        Gonçalves, I. F.
        González-Romero, E.
        Goverdovski, A.
        Griesmayer, E.
        Harada, H.
        Heftrich, T.
        Hernández-Prieto, A.
        Heyse, J.
        Jenkins, D. G.
        Jericha, E.
        Käppeler, F.
        Kadi, Y.
        Katabuchi, T.
        Kavrigin, P.
        Ketlerov, V.
        Khryachkov, V.
        Kimura, A.
        Kivel, N.
        Knapova, I.
        Kokkoris, M.
        Krtička, M.
        Leal-Cidoncha, E.
        Leeb, H.
        Licata, M.
        Lo Meo, S.
        Losito, R.
        Macina, D.
        Marganiec, J.
        Martínez, T.
        Massimi, C.
        Mastinu, P.
        Mastromarco, M.
        Matteucci, F.
        Mendoza, E.
        Milazzo, P. M.
        Mingrone, F.
        Mirea, M.
        Montesano, S.
        Musumarra, A.
        Nolte, R.
        Palomo-Pinto, F. R.
        Paradela, C.
        Patronis, N.
        Pavlik, A.
        Perkowski, J.
        Porras, J. I.
        Praena, J.
        Quesada, J. M.
        Rauscher, T.
        Riego-Perez, A.
        Robles, M.
        Rubbia, C.
        Ryan, J. A.
        Sabaté-Gilarte, M.
        Saxena, A.
        Schillebeeckx, P.
        Schmidt, S.
        Schumann, D.
        Sedyshev, P.
        Smith, A. G.
        Stamatopoulos, A.
        Suryanarayana, S. V.
        Tagliente, G.
        Tain, J. L.
        Tarifeño-Saldivia, A.
        Tassan-Got, L.
        Tsinganis, A.
        Vannini, G.
        Variale, V.
        Vaz, P.
        Ventura, A.
        Vlachoudis, V.
        Vlastou, R.
        Wallner, A.
        Warren, S.
        Weigand, M.
        Wright, T.
        Žugec, P.
        Attention
        2299/21196
        Abstract
        73 Ge(n,γ) 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 73 Ge produced in stars, which would explain the low isotopic abundance of 73 Ge in the solar system.
        Publication date
        2019-03-10
        Published in
        Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
        Published version
        https://doi.org/10.1016/j.physletb.2019.01.045
        Other links
        http://hdl.handle.net/2299/21196
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