Measurement Of The Branching Ratio Of (B)Over-Bar -> D-(())Tau(-)(Nu)Over-Bar(Tau) Relative To (B)Over-Bar -> D()L(-)(Nu)Over-Bar(L) Decays With Hadronic Tagging At Belle

M Huschle,T Kuhr,M Heck, P Goldenzweig,A Abdesselam,I Adachi,K Adamczyk,H Aihara,S Al Said,K Arinstein,D M Asner,T Aushev,R Ayad,T Aziz,I Badhrees,A M Bakich,Vikas Bansal, E Barberio,V Bhardwaj,B Bhuyan,J Biswal,A Bobrov,A Bozek,M Bracko,T E Browder, D Cervenkov,Paoti Chang,V Chekelian,A Chen,B G Cheon,K Chilikin,R Chistov,K Cho,V Chobanova,Y Choi,D Cinabro,J Dalseno,M Danilov,Z Dolezal, Z Drasal,D Dutta,S Eidelman,D Epifanov,H Farhat, J Fast, T Ferber, A Frey,B G Fulsom,V Gaur,N Gabyshev,A Garmash,R Gillard, R Glattauer,Y M Goh,B Golob, J Grygier,P Hamer,K Hara,Toshihiko Hara, J Hasenbusch,K Hayasaka, H Hayashii,X H He, M Heider, Alfred Heller,T Horiguchi,Ws Hou,Cl Hsu, T Iijima,K Inami, G Inguglia,A Ishikawa,R Itoh,Yoshiaki Iwasaki,I Jaegle, D Joffe, K K Joo,T Julius,Kyung Ho Kang,Eiichi Kato,P Katrenko,Tsutomu Kawasaki,T Keck,C Kiesling,Dae Yong Kim,H J Kim,J B Kim,K T Kim,M J Kim,Sang Hun Kim,Yong Jae Kim,K Kinoshita,B R Ko,N Kobayashi, P Kodys,S Korpar,P Krizan,P Krokovny,T Kumita,A Kuzmin,Yj Kwon,Im Sean Lee, Chunyu Li,Y Li,L Li Gioi,J Libby,D Liventsev,P Lukin, Masashi Masuda, D Matvienko,K Miyabayashi,H Miyake,Hiroaki Miyata,R Mizuk, G B Mohanty,S Mohanty,A Moll, H K Moon, R Mussa,K Nakamura,E Nakano,M Nakao,T Nanut,M Nayak,N K Nisar,S Nishida,Satoshi Ogawa,Senji Okuno,C Oswald,G Pakhlova, B K Pal,C W Park, Hanoh Park, T K Pedlar, L Pesantez,R Pestotnik, M Petric,L E Piilonen, C Pulvermacher, E Ribezl,M Ritter, A Rostomyan,Y Sakai,S Sandilya, L Santelj,T Sanuki,Yoji Sato, V Savinov,O Schneider, G Schnell, C Schwanda,A J Schwartz,D Semmler,K Senyo,O Seon, M E Sevior, V Shebalin, C P Shen,Ta Shibata,Jg Shiu,F Simon, Y S Sohn,A Sokolov, E Solovieva,S Stanic,M Staric, M Steder,J Stypula,M Sumihama,Tetsuya Sumiyoshi,U Tamponi,Y Teramoto, K Trabelsi, V Trusov,Makoto Uchida,T Uglov,S Uno,Yu A Usov,C Van Hulse,P Vanhoefer, G Varner, A Vinokurova,V Vorobyev,M N Wagner,C H Wang,M Wang, Peiling Wang,X L Wang,Makoto Watanabe, Y Watanabe,E Won,H Yamamoto,J Yamaoka, S Yashchenko,Hong Ye, Y Yook, C Z Yuan,Y Yusa,Z P Zhang,V Zhilich,V Zhulanov, A Zupanc

PHYSICAL REVIEW D（2015）

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摘要

We report a measurement of the branching fraction ratios R(D)(()*()) of (B) over bar -> D-(*())tau(-)(nu) over bar (tau) relative to (B) over bar -> D-(*())l(-)(nu) over barl (where l = e or mu) using the full Belle data sample of 772 x 10(6)B (B) over bar pairs collected at the Upsilon(4S) resonance with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider. The measured values are R(D) = 0.375 +/- 0.064(stat) +/- 0.026(syst) and R(D*) = 0.293 +/- 0.038 (stat) +/- 0.015 (syst). The analysis uses hadronic reconstruction of the tag-side B meson and purely leptonic t decays. The results are consistent with earlier measurements and do not show a significant deviation from the standard model prediction.

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Measurement Of The Branching Ratio Of (B)Over-Bar -> D-(*())Tau(-)(Nu)Over-Bar(Tau) Relative To (B)Over-Bar -> D(*)L(-)(Nu)Over-Bar(L) Decays With Hadronic Tagging At Belle

Measurement Of The Branching Ratio Of (B)Over-Bar -> D-(())Tau(-)(Nu)Over-Bar(Tau) Relative To (B)Over-Bar -> D()L(-)(Nu)Over-Bar(L) Decays With Hadronic Tagging At Belle