Measurements of D meson decays to two pseudoscalar mesons

H. Mendez,J. Y. Ge,D. H. Miller, I. P. J. Shipsey,B. Xin,G. S. Adams,D. Hu,B. Moziak,J. Napolitano,K. M. Ecklund,Q. He,J. Insler,H. Muramatsu,C. S. Park,E. H. Thorndike, F. Yang,M. Artuso,S. Blusk, S. Khalil,R. Mountain, K. Randrianarivony,T. Skwarnicki,S. Stone,J. C. Wang,L. M. Zhang,G. Bonvicini,D. Cinabro,A. Lincoln,M. J. Smith, P. Zhou,J. Zhu,P. Naik, J. Rademacker,D. M. Asner,K. W. Edwards,J. Reed,A. N. Robichaud,G. Tatishvili,E. J. White,R. A. Briere,H. Vogel,P. U. E. Onyisi, J. L. Rosner, J. P. Alexander,D. G. Cassel,R. Ehrlich,L. Fields, L. Gibbons,S. W. Gray,D. L. Hartill,B. K. Heltsley, J. M. Hunt,J. Kandaswamy,D. L. Kreinick,V. E. Kuznetsov,J. Ledoux, H. Mahlke-Krüger,J. R. Patterson, D. Peterson, D. Riley, A. Ryd,A. J. Sadoff, X. Shi,S. Stroiney,W. M. Sun,T. Wilksen, J. Yelton,P. Rubin, N. Lowrey,S. Mehrabyan,M. Selen,J. Wiss, M. Kornicer,R. E. Mitchell,M. R. Shepherd,C. M. Tarbert,D. Besson, T. K. Pedlar,J. Xavier,D. Cronin-Hennessy,K. Y. Gao,J. Hietala,T. Klein,R. Poling,P. Zweber,S. Dobbs,Z. Metreveli,K. K. Seth,B. J. Y. Tan, A. Tomaradze,S. Brisbane,J. Libby,L. Martin,A. Powell,C. Thomas, G. Wilkinson

PHYSICAL REVIEW D（2010）

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摘要

Using data collected on the psi(3770) resonance and near the D-s*D-+/-(s)-/+ peak production energy by the CLEO-c detector, we study the decays of the possible D -> PP modes and report measurements of or upper limits on all branching fractions for Cabibbo-favored, singly Cabibbo-suppressed, and doubly Cabibbo-suppressed D -> PP decays except modes involving K-L(0) (and except D-0 -> K+pi(-)). We normalize with respect to the Cabibbo-favored D modes, D-0 -> K-pi(+), D+ -> K-pi(+)pi(+), and D-s(+) -> (K+KS0).

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关键词

dimensionless numbers,pions,data collection,decay,mesons,branching ratio,elementary particles,hadrons,particle decay,spectrometers,measuring instruments

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