Status of the PIENU experiment

T. Numao, 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. Ito, S. Kettell, L. Kurchaninov, L. Littenberg, C. Malbrunot, R. MischkeD. Protopopescu, A. Sher, T. Sullivan, D. Vavilov

Research output: Contribution to journalConference article


The branching ratio, Re/μ Γ(π → eν + eνγ)/Γ(π → μν + μνγ), provides a sensitive test of muon-electron universality in weak interactions. The status of the PIENU experiment at TRIUMF, which aims to improve the precision of the Re/μ measurement by a factor of > 5, is presented.

Original languageEnglish
Article number012002
JournalJournal of Physics: Conference Series
Issue number1
Publication statusPublished - 2014
Event11th International Conference on Hyperons, Charm and Beauty Hadrons, BEACH 2014 - Birmingham, United Kingdom
Duration: Jul 21 2014Jul 26 2014

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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    Numao, T., 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., Ito, S., Kettell, S., Kurchaninov, L., Littenberg, L., Malbrunot, C., ... Vavilov, D. (2014). Status of the PIENU experiment. Journal of Physics: Conference Series, 556(1), [012002].