New limit for the lepton-family-number nonconserving decay mu(+) -> e(+)gamma

Citation
Ml. Brooks et al., New limit for the lepton-family-number nonconserving decay mu(+) -> e(+)gamma, PHYS REV L, 83(8), 1999, pp. 1521-1524
Citations number
11
Categorie Soggetti
Physics
Journal title
PHYSICAL REVIEW LETTERS
ISSN journal
00319007 → ACNP
Volume
83
Issue
8
Year of publication
1999
Pages
1521 - 1524
Database
ISI
SICI code
0031-9007(19990823)83:8<1521:NLFTLN>2.0.ZU;2-V
Abstract
An experiment has been performed to search for the muon- and electron-numbe r nonconserving decay mu(+) --> e(+)gamma. The upper limit for the branchin g ratio is found to be Gamma(mu(+) --> e(+)gamma)/Gamma(mu(+) --> e(+)nu<(n u)over bar>) < 1.2 X 10(-11) with 90% confidence.