PIENU experiment at TRIUMF: Measurement of π→ev/π →-μV branching ratio

A. Sher; M. Aoki; M. Blecher; D. A. Bryman; J. Comfort; J. Doornbos; L. Doria; P. Gumplinger; A. Hussein; Y. Igarashi; N. Ito; S. Kettell; Y. Kuno; L. Kurchaninov; L. Littenberg; C. Malbrunot; G. Marshal; A. Muroi; R. Poutissou; A. Sandorfi; K. Yamada

doi:10.1063/1.3293905

PIENU experiment at TRIUMF: Measurement of π→ev/π →-μV branching ratio

A. Sher, M. Aoki, M. Blecher, D. A. Bryman, J. Comfort, J. Doornbos, L. Doria, P. Gumplinger, A. Hussein, Y. Igarashi, N. Ito, S. Kettell, Y. Kuno, L. Kurchaninov, L. Littenberg, C. Malbrunot, G. Marshal, A. Muroi, R. Poutissou, A. SandorfiK. Yamada

Physics

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

1 Scopus citations

Abstract

A TRIUMF experiment, PIENU, which aims to measure the branching ratio of pion decays, R = Γ(π → ev + evγ)/ Γ(π → μv + μVγ) to a precision of 0.1% or better is described. Such a measurement provides the best test of electron-muon universality in weak interactions and is sensitive to an effective mass scale of up to 1000 TeV in new physics.

Original language	English (US)
Title of host publication	Intersections of Particle and Nuclear Physics - Proceedings of the 10th International Conference
Pages	702-705
Number of pages	4
DOIs	https://doi.org/10.1063/1.3293905
State	Published - 2009
Event	10th International Conference on Intersections of Particle and Nuclear Physics - San Diego, CA, United States Duration: May 26 2009 → May 31 2009

Publication series

Name	AIP Conference Proceedings
Volume	1182
ISSN (Print)	0094-243X
ISSN (Electronic)	1551-7616

Other

Other	10th International Conference on Intersections of Particle and Nuclear Physics
Country/Territory	United States
City	San Diego, CA
Period	5/26/09 → 5/31/09

Keywords

Pion decay
Precision measurement
Universality
Weak interactions

ASJC Scopus subject areas

General Physics and Astronomy

Access to Document

10.1063/1.3293905

Cite this

Sher, A., Aoki, M., Blecher, M., Bryman, D. A., Comfort, J., Doornbos, J., Doria, L., Gumplinger, P., Hussein, A., Igarashi, Y., Ito, N., Kettell, S., Kuno, Y., Kurchaninov, L., Littenberg, L., Malbrunot, C., Marshal, G., Muroi, A., Poutissou, R., ... Yamada, K. (2009). PIENU experiment at TRIUMF: Measurement of π→ev/π →-μV branching ratio. In Intersections of Particle and Nuclear Physics - Proceedings of the 10th International Conference (pp. 702-705). (AIP Conference Proceedings; Vol. 1182). https://doi.org/10.1063/1.3293905

Sher, A, Aoki, M, Blecher, M, Bryman, DA, Comfort, J, Doornbos, J, Doria, L, Gumplinger, P, Hussein, A, Igarashi, Y, Ito, N, Kettell, S, Kuno, Y, Kurchaninov, L, Littenberg, L, Malbrunot, C, Marshal, G, Muroi, A, Poutissou, R, Sandorfi, A & Yamada, K 2009, PIENU experiment at TRIUMF: Measurement of π→ev/π →-μV branching ratio. in Intersections of Particle and Nuclear Physics - Proceedings of the 10th International Conference. AIP Conference Proceedings, vol. 1182, pp. 702-705, 10th International Conference on Intersections of Particle and Nuclear Physics, San Diego, CA, United States, 5/26/09. https://doi.org/10.1063/1.3293905

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abstract = "A TRIUMF experiment, PIENU, which aims to measure the branching ratio of pion decays, R = Γ(π → ev + evγ)/ Γ(π → μv + μVγ) to a precision of 0.1% or better is described. Such a measurement provides the best test of electron-muon universality in weak interactions and is sensitive to an effective mass scale of up to 1000 TeV in new physics.",

keywords = "Pion decay, Precision measurement, Universality, Weak interactions",

author = "A. Sher and M. Aoki and M. Blecher and Bryman, {D. A.} and J. Comfort and J. Doornbos and L. Doria and P. Gumplinger and A. Hussein and Y. Igarashi and N. Ito and S. Kettell and Y. Kuno and L. Kurchaninov and L. Littenberg and C. Malbrunot and G. Marshal and A. Muroi and R. Poutissou and A. Sandorfi and K. Yamada",

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AU - Sher, A.

AU - Aoki, M.

AU - Blecher, M.

AU - Bryman, D. A.

AU - Comfort, J.

AU - Doornbos, J.

AU - Doria, L.

AU - Gumplinger, P.

AU - Hussein, A.

AU - Igarashi, Y.

AU - Ito, N.

AU - Kettell, S.

AU - Kuno, Y.

AU - Kurchaninov, L.

AU - Littenberg, L.

AU - Malbrunot, C.

AU - Marshal, G.

AU - Muroi, A.

AU - Poutissou, R.

AU - Sandorfi, A.

AU - Yamada, K.

PY - 2009

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AB - A TRIUMF experiment, PIENU, which aims to measure the branching ratio of pion decays, R = Γ(π → ev + evγ)/ Γ(π → μv + μVγ) to a precision of 0.1% or better is described. Such a measurement provides the best test of electron-muon universality in weak interactions and is sensitive to an effective mass scale of up to 1000 TeV in new physics.

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KW - Precision measurement

KW - Universality

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BT - Intersections of Particle and Nuclear Physics - Proceedings of the 10th International Conference

Y2 - 26 May 2009 through 31 May 2009

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PIENU experiment at TRIUMF: Measurement of π→ev/π →-μV branching ratio

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