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Measurement and resonance analysis of the S-33(n,alpha)Si-30 cross section at the CERN n_TOF facility in the energy region from 10 to 300 keV

Praena, J. and Sabate-Gilarte, M. and Porras, I. and Quesada, J. M. and Altstadt, S. and Andrzejewski, J. and Audouin, L. and Becares, V. and Barbagallo, M. and Becvar, F. and Belloni, F. and Berthoumieux, E. and Billowes, J. and Boccone, V. and Bosnar, D. and Brugger, M. and Calvino, F. and Calviani, M. and Cano-Ott, D. and Carrapico, C. and Cerutti, F. and Chiaveri, E. and Chin, M. and Colonna, N. and Cortes, G. and Cortes-Giraldo, M. A. and Diakaki, M. and Dietz, M. and Domingo-Pardo, C. and Dressler, R. and Duran, I. and Eleftheriadis, C. and Ferrari, A. and Fraval, K. and Furman, V. and Goebel, K. and Gomez-Hornillos, M. B. and Ganesan, S. and Garcia, A. R. and Giubrone, G. and Goncalves, I. F. and Gonzalez-Romero, E. and Goverdovski, A. and Griesmayer, E. and Guerrero, C. and Gunsing, F. and Heftrich, T. and Hernandez-Prieto, A. and Heyse, J. and Jenkins, D. G. and Jericha, E. and Kaeppeler, F. and Kadi, Y. and Karadimos, D. and Katabuchi, T. and Ketlerov, V. and Khryachkov, V. and Kivel, N. and Koehler, P. and Kokkoris, M. and Kroll, J. and Krticka, M. and Lampoudis, C. and Langer, C. and Leal-Cidoncha, E. and Lederer-Woods, C. and Leeb, H. and Leong, L. S. and Lerendegui-Marco, J. and Losito, R. and Mallick, A. and Manousos, A. and Marganiec, J. and Martinez, T. and Massimi, C. and Mastinu, P. and Mastromarco, M. and Mendoza, E. and Mengoni, A. and Milazzo, P. M. and Mingrone, F. and Mirea, M. and Mondelaers, W. and Paradela, C. and Pavlik, A. and Perkowski, J. and Plompen, A. J. M. and Rauscher, T. and Reifarth, R. and Riego-Perez, A. and Robles, M. and Rubbia, C. and Ryan, J. A. and Sarmento, R. and Saxena, A. and Schillebeeckx, P. and Schmidt, S. and Schumann, D. and Sedyshev, P. and Tagliente, G. and Tain, J. L. and Tarifeno-Saldivia, A. and Tarrio, D. and Tassan-Got, L. and Tsinganis, A. and Valenta, S. and Vannini, G. and Variale, V. and Vaz, P. and Ventura, A. and Vermeulen, M. J. and Vlachoudis, V. and Vlastou, R. and Wallner, A. and Ware, T. and Weigand, M. and Weiss, C. and Wright, T. and Zugec, P.. (2018) Measurement and resonance analysis of the S-33(n,alpha)Si-30 cross section at the CERN n_TOF facility in the energy region from 10 to 300 keV. Physical Review C, 97 (6). 064603.

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Abstract

The (33)(n , alpha)Si-30 cross section has been measured at the neutron time-of-flight (n_TOF) facility at CERN in the neutron energy range from 10 to 300 keV relative to the B-10(n, alpha)(7) Li cross-section standard. Both reactions were measured simultaneously with a set of micromegas detectors. The flight path of 185 m has allowed us to obtain the cross section with high-energy resolution. An accurate description of the resonances has been performed by means of the multilevel multichannel R-matrix code SAMMY. The results show a significantly higher area of the biggest resonance (13.45 keV) than the unique high-resolution (n , alpha) measurement. The new parametrization of the 13.45-keV resonance is similar to that of the unique transmission measurement. This resonance is a matter of research in neutron-capture therapy. The S-33(n, alpha)Si-30 cross section has been studied in previous works because of its role in the production of S-36 in stars, which is currently overproduced in stellar models compared to observations.
Faculties and Departments:05 Faculty of Science > Departement Physik > Physik > Theoretische Physik Astrophysik (Thielemann)
UniBasel Contributors:Rauscher, Thomas
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:American Physical Society
ISSN:2469-9985
e-ISSN:2469-9993
Note:Publication type according to Uni Basel Research Database: Journal article
Language:English
Identification Number:
Last Modified:13 Aug 2018 11:17
Deposited On:13 Aug 2018 11:17

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