Search for Lepton Flavor Violating Decays τ ± → l ± ω
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Gabathuler,J R Fry,C A Chavez,J P Burke,I Bingham,D M Wright,D J Lange,G Wormser,W F Wang,A Stocchi,V Sordini,J Serrano,M H Schune,P Roudeau,S Pruvot,A M Lutz,F Le Diberder,V Lepeltier,A Hocker,G Grosdidier,M Davier,A D Orazio,J Bequilleux,N Arnaud,G Schott,M Fritsch,A G Denig,C K Lae,Z J Guo,A V Gritsan,Y Y Gao,A E Rubin,E I Rosenberg,S Prell,W T Meyer,V Eyges,L Dong,H B Crawley,J Cochran,U Mallik,M Charles,X Chai,P K Behera,M Tibbetts,W Panduro Vazquez,J Nash,P D Dauncey,D J Bard,U Uwer,S Schenk,J Marks,R S Dubitzky,Jianmin Wu,M Morii,K S Chaisanguanthum,S Tosi,A Santroni,E Robutti,C Patrignani,S Passaggio,M R Monge,M Macri,M Lo Vetere,R Contri,A Buzzo,A Zallo,M Rama,M Spitznagel,F Taylor,R K Yamamoto,M Zhao,S E Mclachlin,P M Patel,S H Robertson,A Lazzaro,F Palombo,J M Bauer,L Cremaldi,V Eschenburg,R Godang,R Kroeger,D A Sanders,M Piccolo
Physical Review Letters（2008）
引用 43|浏览545
摘要
A search for lepton flavor violating decays of a {tau} to a lighter-mass charged lepton and an {omega} vector meson is performed using 384.1 fb{sup -1} of e{sup +}e{sup -} annihilation data collected with the BABAR detector at the Stanford Linear Accelerator Center PEP-II storage ring. No signal is found, and the upper limits on the branching ratios are determined to be {beta}({tau}{sup {+-}} {yields} e{sup {+-}}{omega}) < 1.1 x 10{sup -7} and {beta}({tau}{sup {+-}} {yields} {mu}{sup {+-}}{omega}) < 1.0 x 10{sup -7} at 90% confidence level.
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关键词
Branching fraction,Omega,Lepton,Electron–positron annihilation,Particle decay,Vector meson,Annihilation,Particle physics,Electron,Nuclear physics,Physics
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