SuNSCREEN: A cosmic-ray veto detector for capture-reaction measurements

Document Type

Article

Publication Date

7-11-2015

Publication Source

Nuclear Instruments & Methods In Physics Research Section A-accelerators Spectrometers Detectors And Associated Equipment

Volume Number

788

First Page

5

Last Page

8

ISSN

0168-9002

Abstract

The Summing Nal(TI) detector (SuN) is used in nuclear astrophysics experiments measuring (p,gamma) and (alpha,gamma) reactions. The main background in these experiments in the energy region of interest comes from cosmic rays. The Scintillating Cosmic Ray Eliminating Ensemble (SuNSCREEN) was developed to be combined with the SuN detector to increase the sensitivity of reaction cross-section measurements by reducing the cosmicray background. SuNSCREEN is a plastic scintillating array consisting of 9 bars, which are positioned in a roof-like configuration above SuN. A significant reduction of the background was observed in the energy region of interest. (C) 2015 Elsevier B.V. All rights reserved.

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