Search for massive neutrinos in π+→e+νe decay

S. Ito, A. Aguilar-Arevalo, M. Aoki, M. Blecher, D. I. Britton, D. A. Bryman, D. vom Bruch, S. Chen, J. Comfort, S. Cuen-Rochin, L. Doria, P. Gumplinger, A. Hussein, Y. Igarashi, S. Kettell, L. Kurchaninov, L. Littenberg, C. Malbrunot, R. E. Mischke, T. NumaoD. Protopopescu, A. Sher, T. Sullivan, D. Vavilov

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

The PIENU experiment aims to measure the branching ratio of the charged pion decay with precision of < 0.1 %. This measurement is much sensitive to search for massive neutrinos coupled to electrons in π+→ e+νe decay. The initial analysis was completed and the upper limit on the neutrino mixing parameter |Uei|2 in the neutrino mass range of 0 to 55 MeV/c2 was improved by a factor of 1.5, and the sensitivity for the mass range of 68 to 129 MeV/c2 was improve by a factor of up to 4.

Original languageEnglish
Article number1
JournalHyperfine Interactions
Volume238
Issue number1
DOIs
Publication statusPublished - Nov 1 2017
Externally publishedYes

Fingerprint

neutrinos
Electrons
decay
Experiments
pions
sensitivity
electrons

Keywords

  • Neutrino mixing
  • Pion decay
  • Precision measurement
  • Weak interaction

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Nuclear and High Energy Physics
  • Condensed Matter Physics
  • Physical and Theoretical Chemistry

Cite this

Ito, S., Aguilar-Arevalo, A., Aoki, M., Blecher, M., Britton, D. I., Bryman, D. A., ... Vavilov, D. (2017). Search for massive neutrinos in π+→e+νe decay. Hyperfine Interactions, 238(1), [1]. https://doi.org/10.1007/s10751-016-1375-5

Search for massive neutrinos in π+→e+νe decay. / Ito, S.; Aguilar-Arevalo, A.; Aoki, M.; Blecher, M.; Britton, D. I.; Bryman, D. A.; vom Bruch, D.; Chen, S.; Comfort, J.; Cuen-Rochin, S.; Doria, L.; Gumplinger, P.; Hussein, A.; Igarashi, Y.; Kettell, S.; Kurchaninov, L.; Littenberg, L.; Malbrunot, C.; Mischke, R. E.; Numao, T.; Protopopescu, D.; Sher, A.; Sullivan, T.; Vavilov, D.

In: Hyperfine Interactions, Vol. 238, No. 1, 1, 01.11.2017.

Research output: Contribution to journalArticle

Ito, S, Aguilar-Arevalo, A, Aoki, M, Blecher, M, Britton, DI, Bryman, DA, vom Bruch, D, Chen, S, Comfort, J, Cuen-Rochin, S, Doria, L, Gumplinger, P, Hussein, A, Igarashi, Y, Kettell, S, Kurchaninov, L, Littenberg, L, Malbrunot, C, Mischke, RE, Numao, T, Protopopescu, D, Sher, A, Sullivan, T & Vavilov, D 2017, 'Search for massive neutrinos in π+→e+νe decay', Hyperfine Interactions, vol. 238, no. 1, 1. https://doi.org/10.1007/s10751-016-1375-5
Ito S, Aguilar-Arevalo A, Aoki M, Blecher M, Britton DI, Bryman DA et al. Search for massive neutrinos in π+→e+νe decay. Hyperfine Interactions. 2017 Nov 1;238(1). 1. https://doi.org/10.1007/s10751-016-1375-5
Ito, S. ; Aguilar-Arevalo, A. ; Aoki, M. ; Blecher, M. ; Britton, D. I. ; Bryman, D. A. ; vom Bruch, D. ; Chen, S. ; Comfort, J. ; Cuen-Rochin, S. ; Doria, L. ; Gumplinger, P. ; Hussein, A. ; Igarashi, Y. ; Kettell, S. ; Kurchaninov, L. ; Littenberg, L. ; Malbrunot, C. ; Mischke, R. E. ; Numao, T. ; Protopopescu, D. ; Sher, A. ; Sullivan, T. ; Vavilov, D. / Search for massive neutrinos in π+→e+νe decay. In: Hyperfine Interactions. 2017 ; Vol. 238, No. 1.
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