In:
Journal of Instrumentation, IOP Publishing, Vol. 18, No. 04 ( 2023-04-01), p. P04004-
Abstract:
The Back-n white neutron source at the China Spallation
Neutron Source (CSNS) provides neutrons in the continuous energy region from 0.5 eV to 200 MeV. A spectrometer named Light
charged Particle Detector Array (LPDA) is designed for the study of (n, lcp) reactions at Back-n. The main detector of the LPDA
spectrometer, a 16-unit Δ E -Δ E - E telescope array,
is composed of two arrays of 8-unit Δ E -Δ E - E
telescope. Each telescope unit consists of a Low-Pressure Multi-Wire Proportional Chamber (LPMWPC), a Si-PIN detector, and a CsI(Tl)
scintillator detector. In 2021, a neutron-proton ( n - p )
scattering reaction cross-section measurement experiment was accomplished as the first experiment of the telescope array. Protons
can be clearly identified in the Δ E - E spectrum (LPMWPC +
Si-PIN) and the Δ E - E spectrum (Si-PIN + CsI(Tl)). Cross
sections of the n - p scattering reaction in the neutron energy
range of several MeV are extracted. The Δ E - E method also
provides new measurement opportunities for many-body neutron induced light charged-particle emission reactions.
Type of Medium:
Online Resource
ISSN:
1748-0221
DOI:
10.1088/1748-0221/18/04/P04004
Language:
Unknown
Publisher:
IOP Publishing
Publication Date:
2023
detail.hit.zdb_id:
2235672-1
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