Detecting multi-hit events in a CdZnTe coplanar grid detector using pulse shape analysis: A method for improving background rejection in the COBRA 0 nu beta beta experiment

J McGrath; BR Fulton; P Joshi; P Davies; D Muenstermann; O Schulz; K Zuber; Martin Freer

doi:10.1016/j.nima.2010.01.025

Detecting multi-hit events in a CdZnTe coplanar grid detector using pulse shape analysis: A method for improving background rejection in the COBRA 0 nu beta beta experiment

J McGrath
, BR Fulton
, P Joshi
, P Davies
, D Muenstermann
, O Schulz
, K Zuber
, Martin Freer

Physics and Astronomy

Research output: Contribution to journal › Article

7 Citations (Scopus)

Abstract

A number of experiments are underway to search for a rare form of radioactivity, neutrinoless double beta decay, as a measurement of the half-life would enable the neutrino mass to be determined. The COBRA collaboration [1,2] (Zuber, 2001: Dawson, 2009) employs CdZnTe detectors in such a search. This paper describes techniques using pulse shape analysis for identifying two-centre events in a coplanar grid CdZnTe detector. This enables Compton scatter events to be identified and so suppressing the background present within the COBRA detectors. (C) 2010 Elsevier B.V. All rights reserved.

Original language	English
Pages (from-to)	57-61
Number of pages	5
Journal	Nuclear Instruments & Methods in Physics Research. Section A. Accelerators, Spectrometers, Detectors and Associated Equipment
Volume	615
Issue number	1
DOIs	https://doi.org/10.1016/j.nima.2010.01.025
Publication status	Published - 1 Mar 2010

Keywords

Neutrinoless double beta-decay
COBRA
Coplanar CdZnTe
Background reduction

Access to Document

10.1016/j.nima.2010.01.025

Birmingham Nuclear Physics Group Rolling Grant
Tungate, G. (Principal Investigator), Lazzeroni, C. (Co-Investigator), Evans, P. (Co-Investigator), Jones, P. (Co-Investigator) & Freer, M. (Co-Investigator)
SCIENCE & TECHNOLOGY FACILITIES COUNCIL
1/08/08 → 31/07/13
Project: Research Councils

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McGrath, J., Fulton, BR., Joshi, P., Davies, P., Muenstermann, D., Schulz, O., Zuber, K., & Freer, M. (2010). Detecting multi-hit events in a CdZnTe coplanar grid detector using pulse shape analysis: A method for improving background rejection in the COBRA 0 nu beta beta experiment. Nuclear Instruments & Methods in Physics Research. Section A. Accelerators, Spectrometers, Detectors and Associated Equipment, 615(1), 57-61. https://doi.org/10.1016/j.nima.2010.01.025

McGrath, J ; Fulton, BR ; Joshi, P et al. / Detecting multi-hit events in a CdZnTe coplanar grid detector using pulse shape analysis: A method for improving background rejection in the COBRA 0 nu beta beta experiment. In: Nuclear Instruments & Methods in Physics Research. Section A. Accelerators, Spectrometers, Detectors and Associated Equipment. 2010 ; Vol. 615, No. 1. pp. 57-61.

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title = "Detecting multi-hit events in a CdZnTe coplanar grid detector using pulse shape analysis: A method for improving background rejection in the COBRA 0 nu beta beta experiment",

abstract = "A number of experiments are underway to search for a rare form of radioactivity, neutrinoless double beta decay, as a measurement of the half-life would enable the neutrino mass to be determined. The COBRA collaboration [1,2] (Zuber, 2001: Dawson, 2009) employs CdZnTe detectors in such a search. This paper describes techniques using pulse shape analysis for identifying two-centre events in a coplanar grid CdZnTe detector. This enables Compton scatter events to be identified and so suppressing the background present within the COBRA detectors. (C) 2010 Elsevier B.V. All rights reserved.",

keywords = "Neutrinoless double beta-decay, COBRA, Coplanar CdZnTe, Background reduction",

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McGrath, J, Fulton, BR, Joshi, P, Davies, P, Muenstermann, D, Schulz, O, Zuber, K & Freer, M 2010, 'Detecting multi-hit events in a CdZnTe coplanar grid detector using pulse shape analysis: A method for improving background rejection in the COBRA 0 nu beta beta experiment', Nuclear Instruments & Methods in Physics Research. Section A. Accelerators, Spectrometers, Detectors and Associated Equipment, vol. 615, no. 1, pp. 57-61. https://doi.org/10.1016/j.nima.2010.01.025

Detecting multi-hit events in a CdZnTe coplanar grid detector using pulse shape analysis: A method for improving background rejection in the COBRA 0 nu beta beta experiment. / McGrath, J; Fulton, BR; Joshi, P et al.
In: Nuclear Instruments & Methods in Physics Research. Section A. Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 615, No. 1, 01.03.2010, p. 57-61.

Research output: Contribution to journal › Article

TY - JOUR

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AU - McGrath, J

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AU - Joshi, P

AU - Davies, P

AU - Muenstermann, D

AU - Schulz, O

AU - Zuber, K

AU - Freer, Martin

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AB - A number of experiments are underway to search for a rare form of radioactivity, neutrinoless double beta decay, as a measurement of the half-life would enable the neutrino mass to be determined. The COBRA collaboration [1,2] (Zuber, 2001: Dawson, 2009) employs CdZnTe detectors in such a search. This paper describes techniques using pulse shape analysis for identifying two-centre events in a coplanar grid CdZnTe detector. This enables Compton scatter events to be identified and so suppressing the background present within the COBRA detectors. (C) 2010 Elsevier B.V. All rights reserved.

KW - Neutrinoless double beta-decay

KW - COBRA

KW - Coplanar CdZnTe

KW - Background reduction

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JF - Nuclear Instruments & Methods in Physics Research. Section A. Accelerators, Spectrometers, Detectors and Associated Equipment

IS - 1

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McGrath J, Fulton BR, Joshi P, Davies P, Muenstermann D, Schulz O et al. Detecting multi-hit events in a CdZnTe coplanar grid detector using pulse shape analysis: A method for improving background rejection in the COBRA 0 nu beta beta experiment. Nuclear Instruments & Methods in Physics Research. Section A. Accelerators, Spectrometers, Detectors and Associated Equipment. 2010 Mar 1;615(1):57-61. doi: 10.1016/j.nima.2010.01.025

Detecting multi-hit events in a CdZnTe coplanar grid detector using pulse shape analysis: A method for improving background rejection in the COBRA 0 nu beta beta experiment

Abstract

Keywords

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Birmingham Nuclear Physics Group Rolling Grant

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