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New results for double-beta decay of 100Mo to excited final states of 100Ru using the TUNL-ITEP apparatus

Publication ,  Journal Article
Kidd, MF; Esterline, JH; Tornow, W; Barabash, AS; Umatov, VI
Published in: Nuclear Physics A
April 15, 2009

The coincidence detection efficiency of the TUNL-ITEP apparatus designed for measuring half-life times of two-neutrino double-beta (2 ν β β) decay transitions to excited final states in daughter nuclei has been measured with a factor of 2.4 improved accuracy. In addition, the previous measuring time of 455 days for the study of the 100Mo 2 ν β β decay to the first excited 01+ state in 100Ru has been increased by 450 days, and a new result (combined with the previous measurement obtained with the same apparatus) for this transition is presented: T1 / 2 = [5.5- 0.8+ 1.2 (stat) ± 0.3 (syst)] × 1020 yr. Measured 2 ν β β decay half-life times to excited states can be used to test the reliability of nuclear matrix element calculations needed for determining the effective neutrino mass from zero-neutrino double-beta decay data. We also present new limits for transitions to higher excited states in 100Ru which, if improved, may be of interest for more exotic conjectures, like a bosonic component to neutrino statistics. © 2009 Elsevier B.V. All rights reserved.

Duke Scholars

Published In

Nuclear Physics A

DOI

ISSN

0375-9474

Publication Date

April 15, 2009

Volume

821

Issue

1-4

Start / End Page

251 / 261

Related Subject Headings

  • Nuclear & Particles Physics
  • 5107 Particle and high energy physics
  • 5106 Nuclear and plasma physics
  • 5101 Astronomical sciences
  • 0206 Quantum Physics
  • 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics
  • 0201 Astronomical and Space Sciences
 

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Kidd, M. F., Esterline, J. H., Tornow, W., Barabash, A. S., & Umatov, V. I. (2009). New results for double-beta decay of 100Mo to excited final states of 100Ru using the TUNL-ITEP apparatus. Nuclear Physics A, 821(1–4), 251–261. https://doi.org/10.1016/j.nuclphysa.2009.01.082
Kidd, M. F., J. H. Esterline, W. Tornow, A. S. Barabash, and V. I. Umatov. “New results for double-beta decay of 100Mo to excited final states of 100Ru using the TUNL-ITEP apparatus.” Nuclear Physics A 821, no. 1–4 (April 15, 2009): 251–61. https://doi.org/10.1016/j.nuclphysa.2009.01.082.
Kidd MF, Esterline JH, Tornow W, Barabash AS, Umatov VI. New results for double-beta decay of 100Mo to excited final states of 100Ru using the TUNL-ITEP apparatus. Nuclear Physics A. 2009 Apr 15;821(1–4):251–61.
Kidd, M. F., et al. “New results for double-beta decay of 100Mo to excited final states of 100Ru using the TUNL-ITEP apparatus.” Nuclear Physics A, vol. 821, no. 1–4, Apr. 2009, pp. 251–61. Scopus, doi:10.1016/j.nuclphysa.2009.01.082.
Kidd MF, Esterline JH, Tornow W, Barabash AS, Umatov VI. New results for double-beta decay of 100Mo to excited final states of 100Ru using the TUNL-ITEP apparatus. Nuclear Physics A. 2009 Apr 15;821(1–4):251–261.
Journal cover image

Published In

Nuclear Physics A

DOI

ISSN

0375-9474

Publication Date

April 15, 2009

Volume

821

Issue

1-4

Start / End Page

251 / 261

Related Subject Headings

  • Nuclear & Particles Physics
  • 5107 Particle and high energy physics
  • 5106 Nuclear and plasma physics
  • 5101 Astronomical sciences
  • 0206 Quantum Physics
  • 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics
  • 0201 Astronomical and Space Sciences