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Type: Artigo de periódico
Title: Measurements Of The Decay Kl → E+e-μ+μ-
Author: Alavi-Harati A.
Alexopoulos T.
Arenton M.
Arisaka K.
Barbosa R.F.
Barker A.R.
Barrio M.
Bellantoni L.
Bellavance A.
Blucher E.
Bock G.J.
Bown C.
Bright S.
Cheu E.
Coleman R.
Corcoran M.D.
Cox B.
Erwin A.R.
Escobar C.O.
Ford R.
Glazov A.
Golossanov A.
Gouffon P.
Graham J.
Hamm J.
Hanagaki K.
Hsiung Y.B.
Huang H.
Jejer V.
Jensen D.A.
Kessler R.
Kobrak H.G.E.
Kotera K.
LaDue J.
Lai N.
Ledovskoy A.
McBride P.L.
Monnier E.
Nelson K.S.
Nguyen H.
Prasad V.
Qi X.R.
Quinn B.
Ramberg E.J.
Ray R.E.
Santos E.
Senyo K.
Shanahan P.
Shields J.
Slater W.
Solomey N.
Swallow E.C.
Taegar S.A.
Tesarek R.J.
Toale P.A.
Tripathi A.
Tschirhart R.
Wah Y.W.
Wang J.
White H.B.
Whitmore J.
Wilking M.
Winstein B.
Winston R.
Worcester E.T.
Yamanaka T.
Zukanovich R.F.
Abstract: Several 132 KL → e+e- μ+ μ- events were observed from the 1997 and 1999 runs of the KTeV experiments, with an estimated background of 0.8 events. In the first measurement of the parameter α using this decay mode, it was found that α=-1.59±0.37. No evidence was found for CP-violating contributions to the KLγ*γ* interaction.
Citation: Physical Review Letters. , v. 90, n. 14, p. 141801/1 - 141801/5, 2003.
Rights: aberto
Identifier DOI: 
Date Issue: 2003
Appears in Collections:Unicamp - Artigos e Outros Documentos

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