Search For Rare And Forbidden Decays D+-> H(+/-)E(-/+)E(+)

Q. He,H. Muramatsu,C. S. Park,E. H. Thorndike,T. E. Coan,Y. S. Gao,F. Liu,M. Artuso, C. Boulahouache,S. Blusk,J. Butt,O. Dorjkhaidav,J. Li,N. Menaa,R. Nandakumar, K. Randrianarivony, R. Redjimi,R. Sia,T. Skwarnicki,S. Stone,J. C. Wang,K. Zhang,S. E. Csorna,G. Bonvicini,D. Cinabro, M. Dubrovin,R. A. Briere,G. P. Chen,J. Chen,T. Ferguson,G. Tatishvili,H. Vogel,M. E. Watkins,J. L. Rosner,N. E. Adam,J. P. Alexander,K. Berkelman,D. G. Cassel,V. Crede,J. E. Duboscq,K. M. Ecklund,R. Ehrlich,R. S. Galik, L. Gibbons,B. Gittelman,R. Gray,S. W. Gray,D. L. Hartill,B. K. Heltsley,D. Hertz,C. D. Jones,J. Kandaswamy,D. L. Kreinick,V. E. Kuznetsov, H. Mahlke-Kruger,T. O. Meyer,P. U. E. Onyisi,J. R. Patterson, D. Peterson,E. A. Phillips,J. Pivarski, D. Riley, A. Ryd,A. J. Sadoff,H. Schwarthoff,X. Shi,M. R. Shepherd,S. Stroiney,W. M. Sun,D. Urner,T. Wilksen,K. M. Weaver,M. Weinberger,S. B. Athar, P. Avery,L. Breva-Newell,R. Patel,V. Potlia,H. Stoeck, J. Yelton,P. Rubin,C. Cawlfield,B. I. Eisenstein,G. D. Gollin, I. Karliner,D. Kim, N. Lowrey,P. Naik,C. Sedlack,M. Selen,E. J. White,J. Williams,J. Wiss,D. M. Asner,K. W. Edwards, D. Besson,T. K. Pedlar, D. Cronin-Hennessy,K. Y. Gao,D. T. Gong,J. Hietala,Y. Kubota,T. Klein,B. W. Lang,R. Poling,A. W. Scott,A. Smith,S. Dobbs,Z. Metreveli,K. K. Seth, A. Tomaradze,P. Zweber, J. Ernst, H. Severini,S. A. Dytman,S. Mehrabyan,J. A. Mueller, V. Savinov,A. Lopez,H. Mendez, J. Ramirez, G. S. Huang,D. H. Miller, V. Pavlunin,B. Sanghi, I. P. J. Shipsey,G. S. Adams,M. Cravey,I. Danko,J. Napolitano,I. Shipsey,G. Adams, M. Cravey, J. Cummings,I. Danko,J. Napolitano

PHYSICAL REVIEW LETTERS（2005）

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摘要

Using 0.8x10(6) D+D- pairs collected with the CLEO-c detector at the psi(3770) resonance, we have searched for flavor-changing neutral current and lepton-number-violating decays of D+ mesons to final states with dielectrons. We find no indication of either, obtaining 90% confidence level upper limits of B(D+->pi(+)e(+)e(-))< 7.4x10(-6), B(D+->pi(-)e(+)e(+))< 3.6x10(-6), B(D+-> K(+)e(+)e(-))< 6.2x10(-6), and B(D+-> K(-)e(+)e(+))< 4.5x10(-6).

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关键词

detector,confidence level,neutral current

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