TY - JOUR
T1 - Study of pre-equilibrium emission of light complex particles from Fe and Bi induced by intermediate energy neutrons
AU - Bevilacqua, R.
AU - Pomp, S.
AU - Hayashi, M.
AU - Hirayama, S.
AU - Naito, Y.
AU - Watanabe, Y.
AU - Tippawan, U.
AU - Simutkin, V.
AU - Andersson, P.
AU - Blomgren, J.
AU - Österlund, M.
AU - Tesinsky, M.
AU - Lecolley, F. R.
AU - Marie, N.
AU - Hjalmarsson, A.
AU - Prokofiev, A.
AU - Kolozhvari, A.
PY - 2011
Y1 - 2011
N2 - We have measured double differential cross sections (DDX) for emission of hydrogen- and helium-isotopes in the interaction of 175 MeV quasi-monoenergetic neutrons with Fe and Bi using the Medley setup at the The Svedberg Laboratory (Uppsala, Sweden). We compared experimental DDX with calculations with the TALYS code, which includes exciton model and Kalbach systematics; the code fails to reproduce the emission of complex light ions, generally overestimating it. We propose an correction for the application of the Kalbach phenomenological model in the TALYS code by introducing a new energy dependence for the nucleon transfer mechanism in the pre-equilibrium emission region. Our results suggest also evidence for multiple pre-equilibrium emission of composite particles at 175 MeV.
AB - We have measured double differential cross sections (DDX) for emission of hydrogen- and helium-isotopes in the interaction of 175 MeV quasi-monoenergetic neutrons with Fe and Bi using the Medley setup at the The Svedberg Laboratory (Uppsala, Sweden). We compared experimental DDX with calculations with the TALYS code, which includes exciton model and Kalbach systematics; the code fails to reproduce the emission of complex light ions, generally overestimating it. We propose an correction for the application of the Kalbach phenomenological model in the TALYS code by introducing a new energy dependence for the nucleon transfer mechanism in the pre-equilibrium emission region. Our results suggest also evidence for multiple pre-equilibrium emission of composite particles at 175 MeV.
UR - http://www.scopus.com/inward/record.url?scp=80455132446&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=80455132446&partnerID=8YFLogxK
U2 - 10.1088/1742-6596/312/8/082013
DO - 10.1088/1742-6596/312/8/082013
M3 - Conference article
AN - SCOPUS:80455132446
SN - 1742-6588
VL - 312
JO - Journal of Physics: Conference Series
JF - Journal of Physics: Conference Series
IS - SECTION 8
M1 - 082013
T2 - International Nuclear Physics Conference 2010, INPC2010
Y2 - 4 July 2010 through 9 July 2010
ER -