Search for the rare decays π+ →μ+νμν ν ¯ and π+ →e+νeν ν ¯

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

Journal ArticleOPEN ACCESS

Search for the rare decays π+ →μ+νμν ν ¯ and π+ →e+νeν ν ¯

Physical Review D (2020) 102(1)

DOI: 10.1103/PhysRevD.102.012001

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Abstract

The rare pion decays π+→μ+νμνν¯ and π+→e+νeνν¯ are allowed in the Standard Model but highly suppressed. These decays were searched for using data from the PIENU experiment. A first result for Γ(π+→μ+νμνν¯)/Γ(π+→μ+νμ)<8.6×10-6 and an improved measurement Γ(π+→e+νeνν¯)/Γ(π+→μ+νμ)<1.6×10-7 were obtained.

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APA

Aguilar-Arevalo, A., Aoki, M., Blecher, M., Britton, D. I., Vom Bruch, D., Bryman, D. A., … Kalashnikov, D. (2020). Search for the rare decays π+ →μ+νμν ν ¯ and π+ →e+νeν ν ¯. Physical Review D, 102(1). https://doi.org/10.1103/PhysRevD.102.012001

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Search for the rare decays π+ →μ+νμν ν ¯ and π+ →e+νeν ν ¯

Abstract

References Powered by Scopus

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