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Integral measurement of the 12C(n, p)12B reaction up to 10 GeV

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10.1140/epja/i2016-16101-7
 
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hdl:2117/89021

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Žugec, Petar
Colonna, Nicola
Bosnar, Damir
Calviño Tavares, FranciscoMés informacióMés informacióMés informació
Cortés Rossell, Guillem PereMés informacióMés informacióMés informació
Gómez Hornillos, María Belén
Document typeArticle
Defense date2016-04-22
Rights accessOpen Access
Attribution-NonCommercial-NoDerivs 3.0 Spain
Except where otherwise noted, content on this work is licensed under a Creative Commons license : Attribution-NonCommercial-NoDerivs 3.0 Spain
ProjectESTUDIOS DE DESINTEGRACIONES BETA Y DE REACCIONES PARA LA ESTRUCTURA NUCLEAR, ASTROFISICA Y APLICACIONES (MINECO-FPA2014-52823-C2-2-P)
CHANDA - solving CHAllenges in Nuclear DAta (EC-FP7-605203)
Abstract
The integral measurement of the 12C(n, p)12B reaction was performed at the neutron time-offlight facility n TOF at CERN. The total number of 12B nuclei produced per neutron pulse of the n TOF beam was determined using the activation technique in combination with a time-of-flight technique. The cross section is integrated over the n TOF neutron energy spectrum from reaction threshold at 13.6MeV to 10 GeV. Having been measured up to 1 GeV on basis of the 235U(n, f) reaction, the neutron energy spectrum above 200MeV has been re-evaluated due to the recent extension of the cross section reference for this particular reaction, which is otherwise considered a standard up to 200MeV. The results from the dedicated GEANT4 simulations have been used to evaluate the neutron flux from 1 GeV up to 10 GeV. The experimental results related to the 12C(n, p)12B reaction are compared with the evaluated cross sections from major libraries and with the predictions of different GEANT4 models, which mostly underestimate the 12B production. On the contrary, a good reproduction of the integral cross section derived from measurements is obtained with TALYS-1.6 calculations, with optimized parameters.
CitationZugec, P., Colonna, N., Bosnar, D., Calviño, F., Cortes, G., Gómez-Hornillos, M.B. Integral measurement of the 12C(n, p)12B reaction up to 10 GeV. "European physical journal A", 22 Abril 2016, vol. 52, núm. 4, p. 101-1-101-13. 
URIhttp://hdl.handle.net/2117/89021
DOI10.1140/epja/i2016-16101-7
ISSN1434-6001
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  • Departament de Física - Articles de revista [1.860]
  • ANT - Advanced Nuclear Technologies Research Group - Articles de revista [124]
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