Fast-neutron-induced potential background near the Q value of neutrinoless double-β decay of Ge76

W. Tornow, Megha Bhike, B. Fallin, and Krishichayan
Phys. Rev. C 93, 014614 – Published 20 January 2016

Abstract

The Ge76(n,p)Ga76 reaction and the subsequent β decay of Ga76 to Ge76 has been used to excite the 3951.89-keV state of Ge76, which decays by the emission of a 2040.70-keV γ ray. Using high-purity germanium detectors, the associated pulse-height signal may be undistinguishable from the potential signal produced in neutrinoless double-β decay of Ge76 with its Q value of 2039.0 keV. At 20-MeV neutron energy the production cross section of the 2040.70-keV γ ray is approximately 0.1 mb.

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  • Received 28 July 2015

DOI:https://doi.org/10.1103/PhysRevC.93.014614

©2016 American Physical Society

Physics Subject Headings (PhySH)

  1. Research Areas
Nuclear Physics

Authors & Affiliations

W. Tornow*, Megha Bhike, B. Fallin, and Krishichayan

  • Department of Physics and Triangle Universities Nuclear Laboratory, Duke University, Durham, North Carolina 27708, USA

  • *tornow@tunl.duke.edu

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Issue

Vol. 93, Iss. 1 — January 2016

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