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Search for lepton flavor violation in the decay τ±→μ ±γ

  • Author(s): Aubert, B
  • Barate, R
  • Boutigny, D
  • Couderc, F
  • Karyotakis, Y
  • Lees, JP
  • Poireau, V
  • Tisserand, V
  • Zghiche, A
  • Grauges-Pous, E
  • Palano, A
  • Pompili, A
  • Chen, JC
  • Qi, ND
  • Rong, G
  • Wang, P
  • Zhu, YS
  • Eigen, G
  • Ofte, I
  • Stugu, B
  • Abrams, GS
  • Borgland, AW
  • Breon, AB
  • Brown, DN
  • Button-Shafer, J
  • Cahn, RN
  • Charles, E
  • Day, CT
  • Gill, MS
  • Gritsan, AV
  • Groysman, Y
  • Jacobsen, RG
  • Kadel, RW
  • Kadyk, J
  • Kerth, LT
  • Kolomensky, YG
  • Kukartsev, G
  • Lynch, G
  • Mir, LM
  • Oddone, PJ
  • Orimoto, TJ
  • Pripstein, M
  • Roe, NA
  • Ronan, MT
  • Wenzel, WA
  • Barrett, M
  • Ford, KE
  • Harrison, TJ
  • Hart, AJ
  • Hawkes, CM
  • Morgan, SE
  • Watson, AT
  • Fritsch, M
  • Goetzen, K
  • Held, T
  • Koch, H
  • Lewandowski, B
  • Pelizaeus, M
  • Peters, K
  • Schroeder, T
  • Steinke, M
  • Boyd, JT
  • Burke, JP
  • Chevalier, N
  • Cottingham, WN
  • Kelly, MP
  • Latham, TE
  • Wilson, FF
  • Cuhadar-Donszelmann, T
  • Hearty, C
  • Knecht, NS
  • Mattison, TS
  • McKenna, JA
  • Thiessen, D
  • Khan, A
  • Kyberd, P
  • Teodorescu, L
  • Blinov, AE
  • Blinov, VE
  • Druzhinin, VP
  • Golubev, VB
  • Ivanchenko, VN
  • Kravchenko, EA
  • Onuchin, AP
  • Serednyakov, SI
  • Skovpen, YI
  • Solodov, EP
  • Yushkov, AN
  • Best, D
  • Bruinsma, M
  • Chao, M
  • Eschrich, I
  • Kirkby, D
  • Lankford, AJ
  • Mandelkern, M
  • Mommsen, RK
  • Roethel, W
  • Stoker, DP
  • Buchanan, C
  • Hartfiel, BL
  • et al.
Abstract

A search for the nonconservation of lepton flavor number in the decay τ±→μ±γ has been performed using 2.07×108 e+e-→τ+τ- events produced at a center-of-mass energy near 10.58 GeV with the BABAR detector at the PEP-II storage ring. We find no evidence for a signal and set an upper limit on the branching ratio of B(τ±→ μ±γ)<6.8×10-8 at 90% confidence level. © 2005 The American Physical Society.

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