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Barker AR, Huang H, Toale PA, Engle J. Radiative corrections to double Dalitz decays: Effects on invariant mass distributions and angular correlations. Int J Clin Exp Med 2003. [DOI: 10.1103/physrevd.67.033008] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Alavi-Harati A, Alexopoulos T, Arenton M, Arisaka K, Averitte S, Barbosa RF, Barker AR, Barrio M, Bellantoni L, Bellavance A, Belz J, Ben-David R, Bergman DR, Blucher E, Bock GJ, Bown C, Bright S, Cheu E, Childress S, Coleman R, Corcoran MD, Corti G, Cox B, Crisler MB, Erwin AR, Ford R, Glazov A, Golossanov A, Graham G, Graham J, Hagan K, Halkiadakis E, Hamm J, Hanagaki K, Hidaka S, Hsiung YB, Jejer V, Jensen DA, Kessler R, Kobrak HG, LaDue J, Lath A, Ledovskoy A, McBride PL, Mikelsons P, Monnier E, Nakaya T, Nelson KS, Nguyen H, O'Dell V, Pang M, Pordes R, Prasad V, Quinn B, Qi XR, Ramberg EJ, Ray RE, Roodman A, Sadamoto M, Schnetzer S, Senyo K, Shanahan P, Shawhan PS, Shields J, Slater W, Solomey N, Somalwar SV, Stone RL, Swallow EC, Taegar SA, Tesarek RJ, Thomson GB, Toale PA, Tripathi A, Tschirhart R, Turner SE, Wah YW, Wang J, White HB, Whitmore J, Winstein B, Winston R, Yamanaka T, Zimmerman ED. Branching ratio measurement of the decay K(L) --> e(+)e(-)mu(+)mu(-). Phys Rev Lett 2001; 87:111802. [PMID: 11531512 DOI: 10.1103/physrevlett.87.111802] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/14/2001] [Indexed: 05/23/2023]
Abstract
We have collected a 43 event sample of the decay K(L)-->e(+)e(-)mu(+)mu(-) with negligible backgrounds and measured its branching ratio to be (2.62+/-0.40+/-0.17)x10(-9). We see no evidence for CP violation in this decay. In addition, we set the 90% confidence upper limit on the combined branching ratios for the lepton flavor violating decays K(L)-->e(+/-)e(+/-)mu(-/+)mu(-/+) at B(K(L)-->e(+/-)e(+/-)mu(-/+)mu(-/+))< or =1.23x10(-10), assuming a uniform phase space distribution.
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