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. Numao; D. Protopopescu; A. Sher; T. Sullivan; D. Vavilov

doi:10.1007/s10751-016-1375-5

Search for massive neutrinos in π⁺→e⁺ν_e 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 journal › Article › peer-review

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⁺ν_e decay. The initial analysis was completed and the upper limit on the neutrino mixing parameter |U_ei|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 language	English
Article number	1
Journal	Hyperfine Interactions
Volume	238
Issue number	1
DOIs	https://doi.org/10.1007/s10751-016-1375-5
Publication status	Published - Nov 1 2017

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

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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., ... Vavilov, D. (2017). Search for massive neutrinos in π⁺→e⁺ν_e decay. Hyperfine Interactions, 238(1), [1]. https://doi.org/10.1007/s10751-016-1375-5

Search for massive neutrinos in π⁺→e⁺ν_e 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 journal › Article › peer-review

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⁺ν_e 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, 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⁺ν_e decay. In: Hyperfine Interactions. 2017 ; Vol. 238, No. 1.

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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.",

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