Search for baryon and lepton number violating decays D pl
S. Maity,R. Garg,S. Bahinipati,V. Bhardwaj,H. Aihara,S. Al Said,D. M. Asner,H. Atmacan,T. Aushev,R. Ayad,V. Babu,Sw. Banerjee,M. Bauer,J. Bennett,M. Bessner,D. Biswas,A. Bobrov,D. Bodrov,G. Bonvicini,J. Borah,M. Bracko,P. Branchini,A. Budano,M. Campajola,D. Cervenkov,M. -C. Chang,P. Chang,K. Chilikin,H. E. Cho,K. Cho,S. -J. Cho,S. -K. Choi,Y. Choi,S. Choudhury,S. Das,N. Dash G. De Pietro,R. Dhamija,F. Di Capua,J. Dingfelder,T. Dong,P. Ecker,D. Epifanov,T. Ferber,B. G. Fulsom,V. Gaur,A. Giri,P. Goldenzweig,E. Graziani,T. Gu,K. Gudkova,C. Hadjivasiliou,K. Hayasaka,H. Hayashii,S. Hazra,W. -S. Hou,C. -L. Hsu,K. Inami,N. Ipsita,A. Ishikawa,R. Itoh,M. Iwasaki,W. W. Jacobs,Y. Jin,D. Kalita,C. Kiesling,C. H. Kim,D. Y. Kim,K. Kinoshita,P. Kodys,A. Korobov,S. Korpar,P. Krizan,P. Krokovny,M. Kumar,R. Kumar,K. Kumara,A. Kuzmin,Y. -J Kwon,T. Lam,S. C. Lee,D. Levit,L. K. Li,Y. Li,Y. B. Li,L. Li Gioi,K. Lieret,D. Liventsev,M. Masuda,T. Matsuda,D. Matvienko,S. K. Maurya,F. Meier,M. Merola,F. Metzner,R. Mizuk,G. B. Mohanty,R. Mussa,M. Nakao,D. Narwal,A. Natochii,L. Nayak,S. Nishida,S. Ogawa,H. Ono,P. Oskin,G. Pakhlova,S. Pardi,H. Park,J. Park,S. -H. Park,A. Passeri,S. Patra,S. Paul,T. K. Pedlar,R. Pestotnik,L. E. Piilonen,T. Podobnik,S. Prell,E. Prencipe,M. T. Prim,N. Rout,G. Russo,Y. Sakai,S. Sandilya,L. Santelj,V. Savinov,G. Schnell,C. Schwanda,Y. Seino,K. Senyo,W. Shan,C. Sharma,J. -G. Shiu,E. Solovieva,M. Staric,M. Sumihama,M. Takizawa,K. Tanida,F. Tenchini,K. Trabelsi,M. Uchida,T. Uglov,Y. Unno,S. Uno,P. Urquijo,Y. Usov,K. E. Varvell,E. Wang,M. -Z. Wang,S. Watanuki,J. Wiechczynski,X. Xu,B. D. Yabsley,W. Yan,S. B. Yang,J. H. Yin,L. Yuan,Z. P. Zhang,V. Zhilich,V. Zhukova
PHYSICAL REVIEW D（2024）
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摘要
We search for the baryon and lepton number violating charm decays, D -> pe, where D is either a D0 or a over bar D0 and e is a muon or an electron, using a data sample of 921 fb-1 collected by the Belle detector at the KEKB asymmetric energy e+e- collider. In the absence of significant signals, we set upper limits on the branching fractions in the range (5-8) x 10-7 at a 90% confidence level, depending on the decay mode.
