Measurement of the ¹²C(n,p)¹²B cross section at n_TOF (CERN) by in-beam activation analysis

P. \v{Z}ugec , N. Colonna , D. Bosnar , A. Mengoni , S. Altstadt , J. Andrzejewski , L. Audouin , M. Barbagallo

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V. B\'ecares F. Be\v{c}v\'a\v{r} F. Belloni E. Berthoumieux J. Billowes V. Boccone M. Brugger M. Calviani F. Calvi\~no D. Cano-Ott C. Carrapi\c{c}o F. Cerutti E. Chiaveri M. Chin G. Cort\'es M.A. Cort\'es-Giraldo L. Cosentino M. Diakaki C. Domingo-Pardo R. Dressler I. Duran C. Eleftheriadis A. Ferrari P. Finocchiaro K. Fraval S. Ganesan A.R. Garc\'ia G. Giubrone M.B.G\'omez-Hornillos I.F. Gon\c{c}alves E. Gonz\'alez-Romero E. Griesmayer C. Guerrero F. Gunsing P. Gurusamy S. Heinitz D.G. Jenkins E. Jericha F. K\"appeler D. Karadimos N. Kivel M. Kokkoris M. Krti\v{c}ka J. Kroll C. Langer C. Lederer H. Leeb L.S. Leong S. LoMeo R. Losito A. Manousos J. Marganiec T. Mart\'inez C. Massimi P. Mastinu M. Mastromarco E. Mendoza P.M. Milazzo F. Mingrone M. Mirea W. Mondalaers A. Musumarra C. Paradela A. Pavlik J. Perkowski A. Plompen J. Praena J. Quesada T. Rauscher R. Reifarth A. Riego F. Roman C. Rubbia R. Sarmento A. Saxena P. Schillebeeckx S. Schmidt D. Schumann G. Tagliente J.L. Tain D. Tarr\'io L. Tassan-Got A. Tsinganis S. Valenta G. Vannini V. Variale P. Vaz A. Ventura R. Versaci M.J. Vermeulen V. Vlachoudis R. Vlastou A. Wallner T. Ware M. Weigand C. Wei{\ss} T. Wright

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keywords crosssectionactivationcernintegralmeasurementmodelneutron

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The integral cross section of the $^{12}$C($n,p$)$^{12}$B reaction has been determined for the first time in the neutron energy range from threshold to several GeV at the n_TOF facility at CERN. The measurement relies on the activation technique, with the $\beta$-decay of $^{12}$B measured over a period of four half-lives within the same neutron bunch in which the reaction occurs. The results indicate that model predictions, used in a variety of applications, are mostly inadequate. The value of the integral cross section reported here can be used as a benchmark for verifying or tuning model calculations.

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Measurement of the ¹²C(n,p)¹²B cross section at n_TOF (CERN) by in-beam activation analysis

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