Mass and Double-Beta-Decay Q Value of Xe136

Matthew Redshaw, Elizabeth Wingfield, Joseph McDaniel, and Edmund G. Myers
Phys. Rev. Lett. 98, 053003 – Published 2 February 2007

Abstract

The atomic mass of Xe136 has been measured by comparing cyclotron frequencies of single ions in a Penning trap. The result, with 1 standard deviation uncertainty, is M(Xe136)=135.907 214 484 (11) u. Combined with previous results for the mass of Ba136 [Audi, Wapstra, and Thibault, Nucl. Phys. A 729, 337 (2003)], this gives a Q value (M[Xe136]M[Ba136])c2=2457.83(37)keV, sufficiently precise for ongoing searches for the neutrinoless double-beta decay of Xe136.

  • Figure
  • Received 11 September 2006

DOI:https://doi.org/10.1103/PhysRevLett.98.053003

©2007 American Physical Society

Authors & Affiliations

Matthew Redshaw, Elizabeth Wingfield, Joseph McDaniel, and Edmund G. Myers

  • Department of Physics, Florida State University, Tallahassee, Florida 32306-4350, USA

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Issue

Vol. 98, Iss. 5 — 2 February 2007

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