SuN: Summing NaI(Tl) gamma-ray detector for capture reaction measurements

Document Type

Article

Publication Date

3-1-2013

Publication Source

Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment

Volume Number

703

First Page

16

Last Page

21

Publisher

Elsevier Science Ltd.

ISSN

0168-9002

Abstract

High demand for nuclear reaction cross-section measurements relevant for astrophysical processes requires the development of new experimental techniques that allow for investigation of, often very low, cross-sections. For this purpose, a new 4 pi Summing Nal(Tl) detector (SuN) has been constructed, which is an 8-fold segmented Nal(Tl) barrel read by 24 photomultipliers. The design of the detector will be presented and detailed results of the commissioning experiments utilizing standard calibration sources and known Al-27(p,gamma)Si-28 resonances will be discussed. (C) 2012 Elsevier B.V. All rights reserved.

Keywords

Gamma spectroscopy; Summing technique; Sodium iodide; Resonance strength KeyWords Plus: ENERGY-LEVELS; RELEVANT; SI-28

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