Neutron beam profilometer on the base of double-sided silicon strip detectors
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ZAMYATIN, Nikolay I.; BYSTRITSKY, Vyatscheslav; KOPACH, Yu. N.; ALIYEV, Fuad A.; GROZDANOV, Dimitar N.; FEDOROV, N. A.; HRAMCO, Constantin; RUSKOV, Ivan N.; SKOY, Vadim R.; SLEPNEV, Vyacheslav M; WANG, D.; ZUBAREV, E. V.. Neutron beam profilometer on the base of double-sided silicon strip detectors. In: Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 2018, nr. 898, pp. 46-52. ISSN 0168-9002.
10.1016/j.nima.2018.04.031
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Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Numărul 898 / 2018 / ISSN 0168-9002

Neutron beam profilometer on the base of double-sided silicon strip detectors


DOI: 10.1016/j.nima.2018.04.031
Pag. 46-52

Zamyatin Nikolay I.1, Bystritsky Vyatscheslav1, Kopach Yu. N.1, Aliyev Fuad A.12, Grozdanov Dimitar N.31, Fedorov N. A.14, Hramco Constantin15, Ruskov Ivan N.13, Skoy Vadim R.1, Slepnev Vyacheslav M1, Wang D.16, Zubarev E. V.1
 
1 Joint Institute of Nuclear Research,
2 Institute of Geology and Geophysics, Azerbaijan National Academy of Sciences, Baku,
3 Institute for Nuclear Research and Nuclear Energy, Bulgarian Academy of Sciences, Sofia,
4 Lomonosov Moscow State University,
5 Institute of Chemistry of the Academy of Sciences of Moldova,
6 Xi'an Jiaotong University, Xianning West Road, Xi'an, Shaanxi
 
Disponibil în IBN: 18 iunie 2018


Rezumat

At present, in the Joint Institute for Nuclear Research (JINR), Dubna, Russia, experiments to study the process of inelastic scattering of fast neutrons with the nuclei of various substances are being conducted in the frame of the TANGRA (TAgged Neutron and Gamma RAys) project. The existing TANGRA facility allows to obtain precise information about the angular and energy distributions of gamma-rays resulting from the inelastic scattering of 14.1 MeV neutrons on complex nuclei. As source of neutrons, we used a portable neutron generator ING-27 (En=14.1MeV), designed and created by VNIIA (Moscow) with an embedded double-sided 64-pixel silicon (gallium arsenide) alpha-particle detector, by means of which 64 independent tagged neutron beams are formed. Tagging of neutrons is done by registration of the alpha particle, produced in the binary reaction d + t → (α + n), which is emitted in direction almost opposite to that of the neutron. To obtain correct information about the characteristics of the process of inelastic neutron scattering on nuclei, it is necessary to know the parameters of all 64 tagged neutron beams with good accuracy. To solve this problem, we have developed and created a two-coordinate position-sensitive silicon detector of fast neutron (profilometer), by means of which we measured the characteristics of all the 64 tagged neutron beams. In this paper we give a description of the design of the profilometer and present the results from the measurements of profiles of 64 tagged neutron beams formed by ING-27.

Cuvinte-cheie
Fast neutrons, Silicon strip detectors, Tagged neutrons and gamma rays, TANGRA