EPJ Web Conf.
Volume 146, 2017ND 2016: International Conference on Nuclear Data for Science and Technology
|Number of page(s)||4|
|Section||Theory of Nuclear Reactions and Structure, Models and Codes|
|Published online||13 September 2017|
On the role of secondary pions in spallation targets
1 CEA, Paris-Saclay, 91191 Gif-sur-Yvette, France
2 ENEA, Research Centre “Ezio Clementel”, 40129 Bologna, Italy
3 INFN, Section of Bari, 70125 Bari, Italy
4 INFN, Section of Bologna, 40127 Bologna, Italy
a e-mail: email@example.com
Published online: 13 September 2017
We use particle-transport simulations to show that secondary pions play a crucial role for the development of the hadronic cascade and therefore for the production of neutrons and photons from a thick spallation target. Considering the spallation target of the n_TOF Facility at CERN, we see that photon and neutron yields are relatively insensitive to large changes of the average pion multiplicity in the individual spallation reactions. We characterize this robustness as a peculiar property of hadronic cascades in thick targets.
© The Authors, published by EDP Sciences, 2017
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