Experimental setup and procedure for the measurement of the 7Be(n,p)7Li reaction at n_TOF

M. Barbagallo, J. Andrzejewski, M. Mastromarco, J. Perkowski, L. A. Damone, A. Gawlik, L. Cosentino, P. Finocchiaro, E. A. Maugeri, A. Mazzone, R. Dressler, S. Heinitz, N. Kivel, D. Schumann, N. Colonna, O. Aberle, S. Amaducci, L. Audouin, M. Bacak, J. BalibreaF. Bečvář, G. Bellia, E. Berthoumieux, J. Billowes, D. Bosnar, A. Brown, M. Caamaño, F. Calviño, M. Calviani, D. Cano-Ott, R. Cardella, A. Casanovas, F. Cerutti, Y. H. Chen, E. Chiaveri, G. Cortés, M. A. Cortés-Giraldo, S. Cristallo, M. Diakaki, M. Dietz, C. Domingo-Pardo, E. Dupont, I. Durán, B. Fernández-Domínguez, A. Ferrari, P. Ferreira, V. Furman, K. Göbel, A. R. García, S. Gilardoni, T. Glodariu, I. F. Gonçalves, E. González-Romero, E. Griesmayer, C. Guerrero, F. Gunsing, H. Harada, J. Heyse, D. G. Jenkins, E. Jericha, K. Johnston, F. Käppeler, Y. Kadi, A. Kalamara, P. Kavrigin, A. Kimura, M. Kokkoris, M. Krtička, D. Kurtulgil, E. Leal-Cidoncha, C. Lederer, H. Leeb, J. Lerendegui-Marco, S. Lo Meo, S. J. Lonsdale, D. Macina, A. Manna, J. Marganiec, T. Martínez, J. G. Martins-Correia, A. Masi, C. Massimi, P. Mastinu, E. Mendoza, A. Mengoni, P. M. Milazzo, F. Mingrone, A. Musumarra, A. Negret, R. Nolte, A. Oprea, A. D. Pappalardo, N. Patronis, A. Pavlik, M. Piscopo, I. Porras, J. Praena, J. M. Quesada, D. Radeck, T. Rauscher, R. Reifarth, M. S. Robles, C. Rubbia, J. A. Ryan, M. Sabaté-Gilarte, A. Saxena, J. Schell, P. Schillebeeckx, P. Sedyshev, A. G. Smith, N. V. Sosnin, A. Stamatopoulos, G. Tagliente, J. L. Tain, A. Tarifeño-Saldivia, L. Tassan-Got, S. Valenta, G. Vannini, V. Variale, P. Vaz, A. Ventura, V. Vlachoudis, R. Vlastou, A. Wallner, S. Warren, C. Weiss, P. J. Woods, T. Wright, P. Žugec

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Abstract

Following the completion of the second neutron beam line and the related experimental area (EAR2) at the n_TOF spallation neutron source at CERN, several experiments were planned and performed. The high instantaneous neutron flux available in EAR2 allows to investigate neutron induced reactions with charged particles in the exit channel even employing targets made out of small amounts of short-lived radioactive isotopes. After the successful measurement of the 7Be(n,α)α cross section, the 7Be(n,p)7Li reaction was studied in order to provide still missing cross section data of relevance for Big Bang Nucleosynthesis (BBN), in an attempt to find a solution to the cosmological Lithium abundance problem. This paper describes the experimental setup employed in such a measurement and its characterization.

Original languageEnglish
Pages (from-to)27-33
Number of pages7
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume887
Early online date12 Dec 2017
DOIs
Publication statusPublished - 11 Apr 2018

Keywords

  • Be(n,p) Li reaction
  • Big bang nucleosynthesis
  • Cosmological Lithium problem
  • n_TOF spallation neutron source

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