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New limit on neutrinoless double β decay in ^(136)Xe with a time projection chamber

Wong, H. T. and Boehm, F. and Fisher, P. and Gabathuler, K. and Henrikson, H. E. and Imel, D. A. and Iqbal, M. Z. and Jörgens, V. and Mitchell, L. W. and O'Callaghan-Hay, B. M. and Thomas, J. and Treichel, M. and Vuelleumier, J. -C. and Vuelleumier, J. -L. (1991) New limit on neutrinoless double β decay in ^(136)Xe with a time projection chamber. Physical Review Letters, 67 (10). pp. 1218-1221. ISSN 0031-9007. http://resolver.caltech.edu/CaltechAUTHORS:20120424-110541025

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Abstract

A xenon time projection chamber with an active volume of 207 L has been built to study neutrinoless double β decay in ^(136)Xe. Data were taken in the Gotthard Underground Laboratory, with 5 atm of xenon enriched to 62.5% in ^(136)Xe. From 3380 h of data, no evidence has been found for the 0ν 0^(+)→0^(+) transition. Half-life limits of T_(1/2)^(0ν)>2.5(4.9)×10^(23) yr in the mass-mechanism mode and T_(1/2)^(0ν)>1.7(3.2)×10^(23) yr in the right-handed-current mode, at the 90(68)% C.L., were derived. An upper limit for the Majorana neutrino mass parameter was deduced.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1103/PhysRevLett.67.1218DOIUNSPECIFIED
http://link.aps.org/doi/10.1103/PhysRevLett.67.1218PublisherUNSPECIFIED
Additional Information:© 1991 American Physical Society. Received 5 August 1991; published in the issue dated 2 September 1991. The authors would like to thank Petr Vogel for many contributions and discussions, Val Telegdi for stimulating comments, and J.-P. Bourquin, C. Heche, D. Schenker, and the technical staff from Institut de PhysiqueNeuchiitel and Paul Scherrer Institute for assistance. This work is supported by the U.S. Department of Energy and the Fonds National Suisse pour Ia Recherche Scientifique.
Funders:
Funding AgencyGrant Number
Department of Energy (DOE)UNSPECIFIED
Fonds National Suisse pour Ia Recherche ScientifiqueUNSPECIFIED
Classification Code:PACS: 23.40.Bw, 14.60.Gh, 27.60.+j
Record Number:CaltechAUTHORS:20120424-110541025
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20120424-110541025
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:30280
Collection:CaltechAUTHORS
Deposited By: Jason Perez
Deposited On:24 Apr 2012 20:33
Last Modified:26 Dec 2012 15:06

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