A simple cosmic-ray veto shield for low-rate neutron measurements

A. Roberts; A. N. Villano; A. M. Howard; J. J. Kolata

doi:10.1016/j.nima.2015.02.013

A simple cosmic-ray veto shield for low-rate neutron measurements

A. Roberts, A. N. Villano, A. M. Howard, J. J. Kolata

Physics and Astronomy (Twin Cities)

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

Abstract

A cosmic-ray veto shield for the University of Notre Dame neutron wall has been constructed in order to carry out low-rate neutron time-of-flight (TOF) measurements. The veto detector employs plastic scintillator embedded with wavelength-shifting fibers and is read out by a versatile coupling to standard photomultiplier tubes (PMTs). This veto shield is effective at reducing the muon background by about one order of magnitude and therefore increases the sensitivity for experiments with low neutron yields. The ²⁶Mg(³He,n)²⁸Si reaction was used as a testbed for the veto.

Original language	English (US)
Article number	57515
Pages (from-to)	28-34
Number of pages	7
Journal	Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume	783
DOIs	https://doi.org/10.1016/j.nima.2015.02.013
State	Published - May 21 2015

Bibliographical note

Publisher Copyright:
© 2015 Elsevier B.V. All rights reserved.

Keywords

Muon veto
Scintillator
Scintillator efficiency
Wavelength shifting fiber

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title = "A simple cosmic-ray veto shield for low-rate neutron measurements",

abstract = "A cosmic-ray veto shield for the University of Notre Dame neutron wall has been constructed in order to carry out low-rate neutron time-of-flight (TOF) measurements. The veto detector employs plastic scintillator embedded with wavelength-shifting fibers and is read out by a versatile coupling to standard photomultiplier tubes (PMTs). This veto shield is effective at reducing the muon background by about one order of magnitude and therefore increases the sensitivity for experiments with low neutron yields. The 26Mg(3He,n)28Si reaction was used as a testbed for the veto.",

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AU - Roberts, A.

AU - Villano, A. N.

AU - Howard, A. M.

AU - Kolata, J. J.

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Y1 - 2015/5/21

N2 - A cosmic-ray veto shield for the University of Notre Dame neutron wall has been constructed in order to carry out low-rate neutron time-of-flight (TOF) measurements. The veto detector employs plastic scintillator embedded with wavelength-shifting fibers and is read out by a versatile coupling to standard photomultiplier tubes (PMTs). This veto shield is effective at reducing the muon background by about one order of magnitude and therefore increases the sensitivity for experiments with low neutron yields. The 26Mg(3He,n)28Si reaction was used as a testbed for the veto.

AB - A cosmic-ray veto shield for the University of Notre Dame neutron wall has been constructed in order to carry out low-rate neutron time-of-flight (TOF) measurements. The veto detector employs plastic scintillator embedded with wavelength-shifting fibers and is read out by a versatile coupling to standard photomultiplier tubes (PMTs). This veto shield is effective at reducing the muon background by about one order of magnitude and therefore increases the sensitivity for experiments with low neutron yields. The 26Mg(3He,n)28Si reaction was used as a testbed for the veto.

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KW - Scintillator

KW - Scintillator efficiency

KW - Wavelength shifting fiber

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A simple cosmic-ray veto shield for low-rate neutron measurements

Abstract

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