EPJ Web Conf.
Volume 239, 2020ND 2019: International Conference on Nuclear Data for Science and Technology
|Number of page(s)||4|
|Section||Experimental Facilities, Equipment, Techniques and Methods|
|Published online||30 September 2020|
Neutron spectrum determination of p+Be reaction for 30 MeV protons using the multi-foil activation technique
1 Nuclear Physics Institute of The Czech Academy of Sciences, p.r.i., Rez 130, Rez 250 68, Czechia
2 Czech Technical University in Prague, Faculty of Nuclear Sciences and Physical Engineering, Brehova 7, Prague 115 19, Czechia
* e-mail: email@example.com
Published online: 30 September 2020
At the NPI in Rez, the p + Be source reaction was investigated for 30 MeV proton beam and thick beryllium target. For neutron field determination of the p(30)+Be source reaction in close source-to-sample distance, the multi-foil activation technique with a set of 10 activation materials (Au, Co, Lu, Ti, In, Al, Y, Fe, Ni, Nb) was utilized. From resulting reaction rates, the neutron spectrum was reconstructed using the SAND-II unfolding code. New neutron field of white spectrum up to 28 MeV has an intensity of 8.6 × 1010 cm−2s−1 close to target. The obtained neutron field extends the utilization of cyclotron-based fast neutron sources at the NPI and provides new experimental opportunities for future irradiation experiments such as fast neutron activation analysis, nuclear data validation, and radiation damage study of electronics and materials for nuclear energetics.
© The Authors, published by EDP Sciences, 2020
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