Publications

Neutron capture measurement at the n TOF facility of the <sup>204</sup>Tl and <sup>205</sup>Tl s-process branching points

Author(s)
A. Casanovas, A. E. Tarifeño-Saldivia, C. Domingo-Pardo, F. Calviño, E. Maugeri, C. Guerrero, J. Lerendegui-Marco, R. Dressler, S. Heinitz, D. Schumann, J. L. Tain, J. M. Quesada, O. Aberle, V. Alcayne, S. Amaducci, J. Andrzejewski, L. Audouin, V. Babiano-Suarez, M. Bacak, J. Balibrea, M. Barbagallo, S. Bennett, E. Berthoumieux, D. Bosnar, A. S. Brown, M. Busso, M. Caamaño, L. Caballero, M. Calviani, D. Cano-Ott, F. Cerutti, E. Chiaveri, N. Colonna, G. P. Cortés, M. A. Cortés-Giraldo, L. Cosentino, S. Cristallo, L. A. Damone, P. J. Davies, M. Diakaki, M. Dietz, Q. Ducasse, E. Dupont, I. Durán, Z. Eleme, B. Fernández-Domíngez, A. Ferrari, I. Ferro-Gonçalves, P. Finocchiaro, V. Furman, R. Garg, A. Gawlik, S. Gilardoni, K. Göbel, E. González-Romero, F. Gunsing, J. Heyse, D. G. Jenkins, E. Jericha, U. Jiri, A. Junghans, Y. Kadi, F. Käppeler, A. Kimura, I. Knapová, M. Kokkoris, Y. Kopatch, M. Krticka, D. Kurtulgil, I. Ladarescu, C. Lederer-Woods, S. J. Lonsdale, D. Macina, A. Manna, T. Martínez, A. Masi, C. Massimi, P. F. Mastinu, M. Mastromarco, A. Mazzone, E. Mendoza, A. Mengoni, V. Michalopoulou, P. M. Milazzo, M. A. Millán-Callado, F. Mingrone, J. Moreno-Soto, A. Musumarra, A. Negret, F. Ogállar, A. Oprea, N. Patronis, A. Pavlik, J. Perkowski, C. Petrone, L. Piersanti, E. Pirovano, I. Porras, J. Praena, D. Ramos Doval, R. Reifarth, D. Rochman, C. Rubbia, M. Sabaté-Gilarte, A. Saxena, P. Schillebeeckx, A. Sekhar, A. G. Smith, N. Sosnin, P. Sprung, A. Stamatopoulos, G. Tagliente, L. Tassan-Got, B. Thomas, P. Torres-Snchez, A. Tsinganis, S. Urlass, S. Valenta, G. Vannini, V. Variale, P. Vaz, A. Ventura, D. Vescovi, V. Vlachoudis, R. Vlastou, A. Wallner, P. J. Woods, T. J. Wright, P. Žugec, U. Koester
Abstract

Neutron capture cross sections are one of the fundamental nuclear data in the study of the s (slow) process of nucleosynthesis. More interestingly, the competition between the capture and the decay rates in some unstable nuclei determines the local isotopic abundance pattern. Since decay rates are often sensible to temperature and electron density, the study of the nuclear properties of these nuclei can provide valuable constraints to the physical magnitudes of the nucleosynthesis stellar environment. Here we report on the capture cross section measurement of two thallium isotopes, 204Tl and 205Tl performed by the time-of-flight technique at the n TOF facility at CERN. At some particular stellar s-process environments, the decay of both nuclei is strongly enhanced, and determines decisively the abundance of two s-only isotopes of lead, 204Pb and 205Pb. The latter, as a long-lived radioactive nucleus, has potential use as a chronometer of the last s-process events that contributed to final solar isotopic abundances.

Organisation(s)
Isotope Physics
External organisation(s)
Universitat Politècnica de Catalunya, Universitat de València, Paul Scherrer Institute, Universidad de Sevilla, European Organization for Nuclear Research (CERN), Centro de Investigaciones Energeticas Medioambientales y Tecnológica, Istituto Nazionale di Fisica Nucleare, Roma, Università degli Studi di Catania, University of Lodz, Université Paris-Saclay, Technische Universität Wien, University of Manchester, University of Zagreb, York University, Università degli Studi di Perugia, Universidade de Santiago de Compostela (USC), Istituto Nazionale di Astrofisica - Osservatorio Astronomico d'Abruzzo, Università degli Studi di Bari, National Technical University of Athens (NTUA), University of Edinburgh, Physikalisch-Technische Bundesanstalt, University of Ioannina, Associação EURATOM/IST, Dubna, Johann Wolfgang Goethe-Universität Frankfurt am Main, European Commission, Joint Research Centre, Forschungszentrum Dresden Rossendorf (FZD), Karlsruher Institut für Technologie, Japan Atomic Energy Agency, Charles University Prague, Sezione di Bologna, Università degli Studi di Bologna, Istituto Nazionale di Fisica Nucleare, Sezione di Legnaro, CNR, ENEA Centro Ricerche Bologna, Università degli Studi di Trieste, Horia Hulubei National Institute of Physics and Nuclear Engineering, Universidad de Granada, Bhabha Atomic Research Centre, Gran Sasso Science Institute, Australian National University, Institut Laue-Langevin (ILL)
Journal
Journal of Physics: Conference Series
Volume
1668
No. of pages
9
ISSN
1742-6588
DOI
https://doi.org/10.1088/1742-6596/1668/1/012005
Publication date
10-2020
Peer reviewed
Yes
Austrian Fields of Science 2012
103014 Nuclear physics
ASJC Scopus subject areas
Physics and Astronomy(all)
Portal url
https://ucris.univie.ac.at/portal/en/publications/neutron-capture-measurement-at-the-n-tof-facility-of-the-204tl-and-205tl-sprocess-branching-points(9a8871fd-39ba-4b17-8c83-869ed44bad71).html