New Limit for the Family-Number Non-conserving Decay mu+ to e+_gamma

An experiment has been performed to search for the muon- and electron-number non-conserving decay mu+ to e+_gamma. The upper limit for the branching ratio to be GAMMA(mu+ to e+_gamma)/GAMMA(mu+ to e+_nu_nubar) < 1.2e-11 with 90% confidence.

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Bibliographische Detailangaben
Veröffentlicht in:	arXiv.org 1999-05
Hauptverfasser:	MEGA Collaboration, Brooks, M L, Chen, Y K, Cooper, M D, Cooper, P S, Dzemidzic, M, Empl, A, Gagliardi, C A, Hogan, G E, Hughes, E B, Hungerford, E V, Jui, C C H, Knott, J E, Koetke, D D, M A Kroupa K A Lan, Manweiler, R, Mayes, B W, Mischke, R E, Piilonen, L E, Stanislaus, T D S, Stantz, K M, Szymanski, J J, Tribble, R E, Tu, X L, Van Ausdeln, L A, von Witsch, W H, Wright, S C, Ziock, K O H
Format:	Artikel
Sprache:	eng
Schlagworte:	Decay
Online-Zugang:	Volltext
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Beschreibung
Zusammenfassung:	An experiment has been performed to search for the muon- and electron-number non-conserving decay mu+ to e+_gamma. The upper limit for the branching ratio to be GAMMA(mu+ to e+_gamma)/GAMMA(mu+ to e+_nu_nubar) < 1.2e-11 with 90% confidence.
ISSN:	2331-8422
DOI:	10.48550/arxiv.9905013