First model-independent determination of the relative strong phase between D0 and D¯0→KS0π+π- and its impact on the CKM angle γ/ϕ3 measurement

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

PHYSICAL REVIEW D（2009）

引用 114|浏览78

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摘要

We exploit the quantum coherence between pair-produced D-0 and (D) over bar (0) in psi(3770) decays to make a first determination of the relative strong phase differences between D-0 -> K-S(0)pi(+)pi(-) and (D) over bar (0) -> K-S(0)pi(+)pi(-), which are of great importance in determining the Cabibbo-Kobayashi-Maskawa angle gamma/phi(3) in B- -> D-0((D) over bar (0))K- decays. Using 818 pb(-1) of e(+)e(-) collision data collected with the CLEO-c detector at E-cm 3.77 GeV, we employ a binned Dalitz-plot analysis of K-S(0)pi(+)pi(-) and K-L(0)pi(+)pi(-) decays recoiling against flavor-tagged, CP-tagged, and K-S(0)pi(+)pi(-)-tagged events to determine these strong phase differences.

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