Measurement of the wrong-sign decayD0→K+π−π+π−

E. White,A. J. Schwartz,I. Adachi,H. Aihara,D. M. Asner,V. Aulchenko,T. Aushev,A. M. Bakich,A. Bala,V. Bhardwaj,B. Bhuyan,G. Bonvicini,A. Bozek,M. Bračko,J. Brodzicka,T. E. Browder,V. Chekelian,A. Chen,P. Chen,B. G. Cheon,K. Chilikin,R. Chistov,I.-S. Cho,K. Cho,V. Chobanova,Y. Choi,D. Cinabro,J. Dingfelder,Z. Doležal,Z. Drásal,D. Dutta,S. Eidelman,D. Epifanov,S. Esen,H. Farhat,J. E. Fast,M. Feindt,T. Ferber,A. Frey,V. Gaur,N. Gabyshev,S. Ganguly,R. Gillard,Y. M. Goh,B. Golob,T. Hara,K. Hayasaka,H. Hayashii,Y. Hoshi,W.-S. Hou,Y. B. Hsiung,H. J. Hyun,T. Iijima,A. Ishikawa,R. Itoh,Y. Iwasaki,T. Iwashita,I. Jaegle,T. Julius,D. H. Kah,J. H. Kang,E. Kato,C. Kiesling,D. Y. Kim,H. O. Kim, J. B. Kim,J. H. Kim,M. J. Kim,Y. J. Kim,K. Kinoshita,J. Klucar,B. R. Ko,P. Kodyš,S. Korpar,P. Križan,P. Krokovny,B. Kronenbitter,T. Kuhr,T. Kumita,A. Kuzmin,Y.-J. Kwon,J. S. Lange,S.-H. Lee,J. Li,Y. Li,L. Li Gioi,J. Libby,C. Liu,Y. Liu,D. Liventsev,P. Lukin,D. Matvienko,H. Miyata,R. Mizuk,G. B. Mohanty,A. Moll,R. Mussa,E. Nakano,M. Nakao,Z. Natkaniec,M. Nayak,E. Nedelkovska,C. Ng,N. K. Nisar,S. Nishida,O. Nitoh,S. Ogawa,S. Okuno,C. Oswald,P. Pakhlov,G. Pakhlova, H. Park,H. K. Park,T. K. Pedlar,R. Pestotnik,M. Petrič,L. E. Piilonen,M. Ritter,M. Röhrken,A. Rostomyan,S. Ryu,H. Sahoo,T. Saito,Y. Sakai,S. Sandilya,L. Santelj,T. Sanuki,Y. Sato,V. Savinov,O. Schneider,G. Schnell,C. Schwanda,D. Semmler,K. Senyo,O. Seon,M. E. Sevior,M. Shapkin,T.-A. Shibata,J.-G. Shiu,B. Shwartz,A. Sibidanov,Y.-S. Sohn,A. Sokolov,E. Solovieva,S. Stanič,M. Starič,M. Steder,T. Sumiyoshi,U. Tamponi,G. Tatishvili,Y. Teramoto,M. Uchida,S. Uehara,Y. Unno,S. Uno,S. E. Vahsen,C. Van Hulse,G. Varner,V. Vorobyev,M. N. Wagner,C. H. Wang,M.-Z. Wang,P. Wang,Y. Watanabe,K. M. Williams,E. Won,Y. Yamashita,S. Yashchenko,Y. Yusa,Z. P. Zhang,V. Zhilich,V. Zhulanov,A. Zupanc

Physical Review D（2013）

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摘要

A measurement of the rate for the wrong-sign decay D0 -> K+ pi- pi+ pi- relative to that for the right-sign decay D0 -> K- pi+ pi+ pi- is presented. Using 791 fb-1 of data collected with the Belle detector, we obtain a branching fraction ratio of R_WS = [0.324 +- 0.008 (stat) +- 0.007 (sys)]%. Multiplying this ratio by the world average value for the branching fraction B(D0 -> K- pi+ pi+ pi-) gives a branching fraction B(D0 -> K+ pi- pi+ pi-) = (2.61 +- 0.06 +0.09 -0.08) x 10-4.

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decay<mmlmath xmlnsmml=http//wwww3org/1998/math/mathml,wrong-sign

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