Search for rare and forbidden decays of the charmed meson D+

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ID: 270625
1997
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Abstract
We report on the results of a search for fourteen flavor changing neutral current, lepton number violating, or lepton family number violating decays of the charmed meson D+ in the large charm sample recorded by the Fermilab photoproduction experiment E687. No evidence is seen for these rare and standard-model-forbidden decays, of the form D+ → h±ℓ∓ℓ+ (with h = π, K and ℓ = e, μ); we determine 90% confidence level upper limits on their absolute branching fractions in the range (9–20) × 10−5.
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Authors P.L. Frabetti, H.w.k. Cheung, J.P. Cumalat, Carlo Dallapiccola, J.F. Ginkel, W.E. Johns, M.S. Nehring, E.W. Vaandering, J.N. Butler, S. Cihangir, I. Gaines, P.H. Garbincius, L. Garren, S.A. Gourlay, D.J. Harding, P. Kasper, A. Kreymer, P. Lebrun, S. Shukla, M. Vittone, Stefano Bianco, F.L. Fabbri, S. Sarwar, A. Zallo, C. Cawlfield, R. Culbertson, R.W. Gardner, R. Greene, A. Rahimi, J. Wiss, G. Alimonti, G. Bellini, M. Boschini, D. Brambilla, B. Caccianiga, L. Cinquini, M. Di Corato, Paolo Dini, M. Giammarchi, P. Inzani, F. Leveraro, Sandra Malvezzi, Dario Livio Menasce, E. Meroni, L. Milazzo, L. Moroni, D. Pedrini, L. Perasso, F. Prelz, A. Sala, S. Sala, D. Torretta, D. Buchholz, D. Claes, B. Gobbi, B. O'Reilly, J.M. Bishop, N.M. Cason, C.J. Kennedy, G.N. Kim, T.F. Lin, D.L. Puseljic, R.C. Ruchti, W.D. Shephard, J.A. Swiatek, Z.Y. Wu, V. Arena, G. Boca, G. Bonomi, C. Castoldi, Gabriele Gianini, M. Merlo, S.P. Ratti, C. Riccardi, L. Viola, P. Vitulo, A. Lopez, L. Mendez, E. Montiel, D. Olaya, E. Ramirez, C. Rivera, Y. Zhang, G.P. Grim, Jonathan Link, V.S. Paolone, P.M. Yager, J.R. Wilson, J. Cao, M. Hosack, J. Hughes, P.D. Sheldon, F. Davenport, K. Danyo, T. Handler, B.G. Cheon, Y.S. Chung, J.S. Kang, K.Y. Kim, K.B. Lee
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Journal physics letters b
Year 1997
DOI
10.1016/s0370-2693(97)00229-3
URL
https://sciprofiles.com/publication/view/64e06403ab7c4038a063b738ae24b475
Keywords
standard model confidence level

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