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A large area plastic scintillator detector array for fast neutron measurements

Nuclear Experiment 2009-01-16 v1

Abstract

A large area plastic scintillator detector array(~ 1 m x1m) has been set up for fast neutron spectroscopy at the BARC-TIFR Pelletron laboratory, Mumbai. The energy, time and position response has been measured for electrons using radioactive sources and for mono-energetic neutrons using the 7Li(p,n1)7Be*(0.429 MeV) reaction at proton energies between 6.3 and 19 MeV. A Monte Carlo simulation of the energy dependent efficiency of the array for neutron detection is in agreement with the 7Li(p,n1) measurements. The array has been used to measure the neutron spectrum, in the energy range of 4-12 MeV, in the reaction 12C+ 93Nb at E(12C)= 40 MeV. This is in reasonable agreement with a statistical model calculation.

Keywords

Cite

@article{arxiv.0809.0794,
  title  = {A large area plastic scintillator detector array for fast neutron measurements},
  author = {P. C. Rout and D. R. Chakrabarty and V. M. Datar and Suresh Kumar and E. T. Mirgule and A. Mitra and V. Nanal and R. Kujur},
  journal= {arXiv preprint arXiv:0809.0794},
  year   = {2009}
}

Comments

31 pages, 17 figures, submitted to NIM A

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