Improved measurement of B̄0→Ds-D+ and search for B̄0→Ds+Ds- at Belle

A. Zupanc; K. Abe; K. Abe; H. Aihara; D. Anipko; K. Arinstein; V. Aulchenko; T. Aushev; S. Bahinipati; A. M. Bakich; E. Barberio; U. Bitenc; I. Bizjak; S. Blyth; A. Bondar; A. Bozek; M. Bračko; T. E. Browder; M. C. Chang; P. Chang; Y. Chao; K. F. Chen; W. T. Chen; B. G. Cheon; R. Chistov; S. K. Choi; Y. Choi; Y. K. Choi; J. Dalseno; M. Dash; A. Drutskoy; S. Eidelman; S. Fratina; N. Gabyshev; A. Go; B. Golob; H. Ha; J. Haba; T. Hara; H. Hayashii; M. Hazumi; D. Heffernan; T. Hokuue; Y. Hoshi; W. S. Hou; Y. B. Hsiung; T. Iijima; K. Ikado; K. Inami; A. Ishikawa; H. Ishino; R. Itoh; Y. Iwasaki; H. Kaji; P. Kapusta; H. Kawai; T. Kawasaki; H. Kichimi; H. J. Kim; Y. J. Kim; K. Kinoshita; S. Korpar; P. Križan; P. Krokovny; R. Kulasiri; R. Kumar; Y. J. Kwon; M. J. Lee; T. Lesiak; A. Limosani; S. W. Lin; D. Liventsev; G. Majumder; F. Mandl; T. Matsumoto; S. McOnie; T. Medvedeva; W. Mitaroff; K. Miyabayashi; H. Miyake; H. Miyata; Y. Miyazaki; R. Mizuk; G. R. Moloney; E. Nakano; M. Nakao; H. Nakazawa; Z. Natkaniec; S. Nishida; O. Nitoh; S. Ogawa; T. Ohshima; S. Okuno; Y. Onuki; H. Ozaki; P. Pakhlov; G. Pakhlova; C. W. Park; R. Pestotnik; L. E. Piilonen; Y. Sakai; N. Satoyama; T. Schietinger; O. Schneider; C. Schwanda; R. Seidl; K. Senyo; M. E. Sevior; M. Shapkin; H. Shibuya; B. Shwartz; J. B. Singh; A. Somov; N. Soni; S. Stanič; M. Starič; H. Stoeck; K. Sumisawa; T. Sumiyoshi; S. Suzuki; F. Takasaki; K. Tamai; M. Tanaka; G. N. Taylor; Y. Teramoto; X. C. Tian; I. Tikhomirov; K. Trabelsi; T. Tsukamoto; S. Uehara; K. Ueno; S. Uno; Y. Ushiroda; Y. Usov; G. Varner; S. Villa; C. H. Wang; Y. Watanabe; E. Won; Q. L. Xie; A. Yamaguchi; Y. Yamashita; M. Yamauchi; Y. Yusa; C. C. Zhang; Z. P. Zhang; V. Zhilich; V. Zhulanov

doi:10.1103/PhysRevD.75.091102

Improved measurement of B̄0→Ds-D+ and search for B̄0→Ds+Ds- at Belle

A. Zupanc, K. Abe, K. Abe, H. Aihara, D. Anipko, K. Arinstein, V. Aulchenko, T. Aushev, S. Bahinipati, A. M. Bakich, E. Barberio, U. Bitenc, I. Bizjak, S. Blyth, A. Bondar, A. Bozek, M. Bračko, T. E. Browder, M. C. Chang, P. ChangY. Chao, K. F. Chen, W. T. Chen, B. G. Cheon, R. Chistov, S. K. Choi, Y. Choi, Y. K. Choi, J. Dalseno, M. Dash, A. Drutskoy, S. Eidelman, S. Fratina, N. Gabyshev, A. Go, B. Golob, H. Ha, J. Haba, T. Hara, H. Hayashii, M. Hazumi, D. Heffernan, T. Hokuue, Y. Hoshi, W. S. Hou, Y. B. Hsiung, T. Iijima, K. Ikado, K. Inami, A. Ishikawa, H. Ishino, R. Itoh, Y. Iwasaki, H. Kaji, P. Kapusta, H. Kawai, T. Kawasaki, H. Kichimi, H. J. Kim, Y. J. Kim, K. Kinoshita, S. Korpar, P. Križan, P. Krokovny, R. Kulasiri, R. Kumar, Y. J. Kwon, M. J. Lee, T. Lesiak, A. Limosani, S. W. Lin, D. Liventsev, G. Majumder, F. Mandl, T. Matsumoto, S. McOnie, T. Medvedeva, W. Mitaroff, K. Miyabayashi, H. Miyake, H. Miyata, Y. Miyazaki, R. Mizuk, G. R. Moloney, E. Nakano, M. Nakao, H. Nakazawa, Z. Natkaniec, S. Nishida, O. Nitoh, S. Ogawa, T. Ohshima, S. Okuno, Y. Onuki, H. Ozaki, P. Pakhlov, G. Pakhlova, C. W. Park, R. Pestotnik, L. E. Piilonen, Y. Sakai, N. Satoyama, T. Schietinger, O. Schneider, C. Schwanda, R. Seidl, K. Senyo, M. E. Sevior, M. Shapkin, H. Shibuya, B. Shwartz, J. B. Singh, A. Somov, N. Soni, S. Stanič, M. Starič, H. Stoeck, K. Sumisawa, T. Sumiyoshi, S. Suzuki, F. Takasaki, K. Tamai, M. Tanaka, G. N. Taylor, Y. Teramoto, X. C. Tian, I. Tikhomirov, K. Trabelsi, T. Tsukamoto, S. Uehara, K. Ueno, S. Uno, Y. Ushiroda, Y. Usov, G. Varner, S. Villa, C. H. Wang, Y. Watanabe, E. Won, Q. L. Xie, A. Yamaguchi, Y. Yamashita, M. Yamauchi, Y. Yusa, C. C. Zhang, Z. P. Zhang, V. Zhilich, V. Zhulanov

Department of Physics

Research output: Contribution to journal › Article

11 Citations (Scopus)

Abstract

We reconstruct B̄0→Ds-D+ decays using a sample of 449×106 BB̄ pairs recorded by the Belle experiment, and measure the branching fraction to be B(B̄0→Ds-D+)=[7.5±0.2(stat)±0.8(syst) ±0.8(B′s)]×10-3. A search for the related decay B̄0→Ds+Ds- is also performed. Since we observe no statistically significant signal, an upper limit on the branching fraction is set at 3.6×10-5 (90% C.L.).

Original language	English
Article number	091102
Journal	Physical Review D - Particles, Fields, Gravitation and Cosmology
Volume	75
Issue number	9
DOIs	https://doi.org/10.1103/PhysRevD.75.091102
Publication status	Published - 2007 May 4

ASJC Scopus subject areas

Nuclear and High Energy Physics
Physics and Astronomy (miscellaneous)

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Zupanc, A., Abe, K., Abe, K., Aihara, H., Anipko, D., Arinstein, K., Aulchenko, V., Aushev, T., Bahinipati, S., Bakich, A. M., Barberio, E., Bitenc, U., Bizjak, I., Blyth, S., Bondar, A., Bozek, A., Bračko, M., Browder, T. E., Chang, M. C., ... Zhulanov, V. (2007). Improved measurement of B̄0→Ds-D+ and search for B̄0→Ds+Ds- at Belle. Physical Review D - Particles, Fields, Gravitation and Cosmology, 75(9), [091102]. https://doi.org/10.1103/PhysRevD.75.091102

Improved measurement of B̄0→Ds-D+ and search for B̄0→Ds+Ds- at Belle. / Zupanc, A.; Abe, K.; Abe, K.; Aihara, H.; Anipko, D.; Arinstein, K.; Aulchenko, V.; Aushev, T.; Bahinipati, S.; Bakich, A. M.; Barberio, E.; Bitenc, U.; Bizjak, I.; Blyth, S.; Bondar, A.; Bozek, A.; Bračko, M.; Browder, T. E.; Chang, M. C.; Chang, P.; Chao, Y.; Chen, K. F.; Chen, W. T.; Cheon, B. G.; Chistov, R.; Choi, S. K.; Choi, Y.; Choi, Y. K.; Dalseno, J.; Dash, M.; Drutskoy, A.; Eidelman, S.; Fratina, S.; Gabyshev, N.; Go, A.; Golob, B.; Ha, H.; Haba, J.; Hara, T.; Hayashii, H.; Hazumi, M.; Heffernan, D.; Hokuue, T.; Hoshi, Y.; Hou, W. S.; Hsiung, Y. B.; Iijima, T.; Ikado, K.; Inami, K.; Ishikawa, A.; Ishino, H.; Itoh, R.; Iwasaki, Y.; Kaji, H.; Kapusta, P.; Kawai, H.; Kawasaki, T.; Kichimi, H.; Kim, H. J.; Kim, Y. J.; Kinoshita, K.; Korpar, S.; Križan, P.; Krokovny, P.; Kulasiri, R.; Kumar, R.; Kwon, Y. J.; Lee, M. J.; Lesiak, T.; Limosani, A.; Lin, S. W.; Liventsev, D.; Majumder, G.; Mandl, F.; Matsumoto, T.; McOnie, S.; Medvedeva, T.; Mitaroff, W.; Miyabayashi, K.; Miyake, H.; Miyata, H.; Miyazaki, Y.; Mizuk, R.; Moloney, G. R.; Nakano, E.; Nakao, M.; Nakazawa, H.; Natkaniec, Z.; Nishida, S.; Nitoh, O.; Ogawa, S.; Ohshima, T.; Okuno, S.; Onuki, Y.; Ozaki, H.; Pakhlov, P.; Pakhlova, G.; Park, C. W.; Pestotnik, R.; Piilonen, L. E.; Sakai, Y.; Satoyama, N.; Schietinger, T.; Schneider, O.; Schwanda, C.; Seidl, R.; Senyo, K.; Sevior, M. E.; Shapkin, M.; Shibuya, H.; Shwartz, B.; Singh, J. B.; Somov, A.; Soni, N.; Stanič, S.; Starič, M.; Stoeck, H.; Sumisawa, K.; Sumiyoshi, T.; Suzuki, S.; Takasaki, F.; Tamai, K.; Tanaka, M.; Taylor, G. N.; Teramoto, Y.; Tian, X. C.; Tikhomirov, I.; Trabelsi, K.; Tsukamoto, T.; Uehara, S.; Ueno, K.; Uno, S.; Ushiroda, Y.; Usov, Y.; Varner, G.; Villa, S.; Wang, C. H.; Watanabe, Y.; Won, E.; Xie, Q. L.; Yamaguchi, A.; Yamashita, Y.; Yamauchi, M.; Yusa, Y.; Zhang, C. C.; Zhang, Z. P.; Zhilich, V.; Zhulanov, V.

In: Physical Review D - Particles, Fields, Gravitation and Cosmology, Vol. 75, No. 9, 091102, 04.05.2007.

Research output: Contribution to journal › Article

Zupanc, A, Abe, K, Abe, K, Aihara, H, Anipko, D, Arinstein, K, Aulchenko, V, Aushev, T, Bahinipati, S, Bakich, AM, Barberio, E, Bitenc, U, Bizjak, I, Blyth, S, Bondar, A, Bozek, A, Bračko, M, Browder, TE, Chang, MC, Chang, P, Chao, Y, Chen, KF, Chen, WT, Cheon, BG, Chistov, R, Choi, SK, Choi, Y, Choi, YK, Dalseno, J, Dash, M, Drutskoy, A, Eidelman, S, Fratina, S, Gabyshev, N, Go, A, Golob, B, Ha, H, Haba, J, Hara, T, Hayashii, H, Hazumi, M, Heffernan, D, Hokuue, T, Hoshi, Y, Hou, WS, Hsiung, YB, Iijima, T, Ikado, K, Inami, K, Ishikawa, A, Ishino, H, Itoh, R, Iwasaki, Y, Kaji, H, Kapusta, P, Kawai, H, Kawasaki, T, Kichimi, H, Kim, HJ, Kim, YJ, Kinoshita, K, Korpar, S, Križan, P, Krokovny, P, Kulasiri, R, Kumar, R, Kwon, YJ, Lee, MJ, Lesiak, T, Limosani, A, Lin, SW, Liventsev, D, Majumder, G, Mandl, F, Matsumoto, T, McOnie, S, Medvedeva, T, Mitaroff, W, Miyabayashi, K, Miyake, H, Miyata, H, Miyazaki, Y, Mizuk, R, Moloney, GR, Nakano, E, Nakao, M, Nakazawa, H, Natkaniec, Z, Nishida, S, Nitoh, O, Ogawa, S, Ohshima, T, Okuno, S, Onuki, Y, Ozaki, H, Pakhlov, P, Pakhlova, G, Park, CW, Pestotnik, R, Piilonen, LE, Sakai, Y, Satoyama, N, Schietinger, T, Schneider, O, Schwanda, C, Seidl, R, Senyo, K, Sevior, ME, Shapkin, M, Shibuya, H, Shwartz, B, Singh, JB, Somov, A, Soni, N, Stanič, S, Starič, M, Stoeck, H, Sumisawa, K, Sumiyoshi, T, Suzuki, S, Takasaki, F, Tamai, K, Tanaka, M, Taylor, GN, Teramoto, Y, Tian, XC, Tikhomirov, I, Trabelsi, K, Tsukamoto, T, Uehara, S, Ueno, K, Uno, S, Ushiroda, Y, Usov, Y, Varner, G, Villa, S, Wang, CH, Watanabe, Y, Won, E, Xie, QL, Yamaguchi, A, Yamashita, Y, Yamauchi, M, Yusa, Y, Zhang, CC, Zhang, ZP, Zhilich, V & Zhulanov, V 2007, 'Improved measurement of B̄0→Ds-D+ and search for B̄0→Ds+Ds- at Belle', Physical Review D - Particles, Fields, Gravitation and Cosmology, vol. 75, no. 9, 091102. https://doi.org/10.1103/PhysRevD.75.091102

Zupanc, A. ; Abe, K. ; Abe, K. ; Aihara, H. ; Anipko, D. ; Arinstein, K. ; Aulchenko, V. ; Aushev, T. ; Bahinipati, S. ; Bakich, A. M. ; Barberio, E. ; Bitenc, U. ; Bizjak, I. ; Blyth, S. ; Bondar, A. ; Bozek, A. ; Bračko, M. ; Browder, T. E. ; Chang, M. C. ; Chang, P. ; Chao, Y. ; Chen, K. F. ; Chen, W. T. ; Cheon, B. G. ; Chistov, R. ; Choi, S. K. ; Choi, Y. ; Choi, Y. K. ; Dalseno, J. ; Dash, M. ; Drutskoy, A. ; Eidelman, S. ; Fratina, S. ; Gabyshev, N. ; Go, A. ; Golob, B. ; Ha, H. ; Haba, J. ; Hara, T. ; Hayashii, H. ; Hazumi, M. ; Heffernan, D. ; Hokuue, T. ; Hoshi, Y. ; Hou, W. S. ; Hsiung, Y. B. ; Iijima, T. ; Ikado, K. ; Inami, K. ; Ishikawa, A. ; Ishino, H. ; Itoh, R. ; Iwasaki, Y. ; Kaji, H. ; Kapusta, P. ; Kawai, H. ; Kawasaki, T. ; Kichimi, H. ; Kim, H. J. ; Kim, Y. J. ; Kinoshita, K. ; Korpar, S. ; Križan, P. ; Krokovny, P. ; Kulasiri, R. ; Kumar, R. ; Kwon, Y. J. ; Lee, M. J. ; Lesiak, T. ; Limosani, A. ; Lin, S. W. ; Liventsev, D. ; Majumder, G. ; Mandl, F. ; Matsumoto, T. ; McOnie, S. ; Medvedeva, T. ; Mitaroff, W. ; Miyabayashi, K. ; Miyake, H. ; Miyata, H. ; Miyazaki, Y. ; Mizuk, R. ; Moloney, G. R. ; Nakano, E. ; Nakao, M. ; Nakazawa, H. ; Natkaniec, Z. ; Nishida, S. ; Nitoh, O. ; Ogawa, S. ; Ohshima, T. ; Okuno, S. ; Onuki, Y. ; Ozaki, H. ; Pakhlov, P. ; Pakhlova, G. ; Park, C. W. ; Pestotnik, R. ; Piilonen, L. E. ; Sakai, Y. ; Satoyama, N. ; Schietinger, T. ; Schneider, O. ; Schwanda, C. ; Seidl, R. ; Senyo, K. ; Sevior, M. E. ; Shapkin, M. ; Shibuya, H. ; Shwartz, B. ; Singh, J. B. ; Somov, A. ; Soni, N. ; Stanič, S. ; Starič, M. ; Stoeck, H. ; Sumisawa, K. ; Sumiyoshi, T. ; Suzuki, S. ; Takasaki, F. ; Tamai, K. ; Tanaka, M. ; Taylor, G. N. ; Teramoto, Y. ; Tian, X. C. ; Tikhomirov, I. ; Trabelsi, K. ; Tsukamoto, T. ; Uehara, S. ; Ueno, K. ; Uno, S. ; Ushiroda, Y. ; Usov, Y. ; Varner, G. ; Villa, S. ; Wang, C. H. ; Watanabe, Y. ; Won, E. ; Xie, Q. L. ; Yamaguchi, A. ; Yamashita, Y. ; Yamauchi, M. ; Yusa, Y. ; Zhang, C. C. ; Zhang, Z. P. ; Zhilich, V. ; Zhulanov, V. / Improved measurement of B̄0→Ds-D+ and search for B̄0→Ds+Ds- at Belle. In: Physical Review D - Particles, Fields, Gravitation and Cosmology. 2007 ; Vol. 75, No. 9.

@article{bb5ba40369b74875925375add393543c,

title = "Improved measurement of {\=B}0→Ds-D+ and search for {\=B}0→Ds+Ds- at Belle",

abstract = "We reconstruct {\=B}0→Ds-D+ decays using a sample of 449×106 B{\=B} pairs recorded by the Belle experiment, and measure the branching fraction to be B({\=B}0→Ds-D+)=[7.5±0.2(stat)±0.8(syst) ±0.8(B′s)]×10-3. A search for the related decay {\=B}0→Ds+Ds- is also performed. Since we observe no statistically significant signal, an upper limit on the branching fraction is set at 3.6×10-5 (90% C.L.).",

author = "A. Zupanc and K. Abe and K. Abe and H. Aihara and D. Anipko and K. Arinstein and V. Aulchenko and T. Aushev and S. Bahinipati and Bakich, {A. M.} and E. Barberio and U. Bitenc and I. Bizjak and S. Blyth and A. Bondar and A. Bozek and M. Bra{\v c}ko and Browder, {T. E.} and Chang, {M. C.} and P. Chang and Y. Chao and Chen, {K. F.} and Chen, {W. T.} and Cheon, {B. G.} and R. Chistov and Choi, {S. K.} and Y. Choi and Choi, {Y. K.} and J. Dalseno and M. Dash and A. Drutskoy and S. Eidelman and S. Fratina and N. Gabyshev and A. Go and B. Golob and H. Ha and J. Haba and T. Hara and H. Hayashii and M. Hazumi and D. Heffernan and T. Hokuue and Y. Hoshi and Hou, {W. S.} and Hsiung, {Y. B.} and T. Iijima and K. Ikado and K. Inami and A. Ishikawa and H. Ishino and R. Itoh and Y. Iwasaki and H. Kaji and P. Kapusta and H. Kawai and T. Kawasaki and H. Kichimi and Kim, {H. J.} and Kim, {Y. J.} and K. Kinoshita and S. Korpar and P. Kri{\v z}an and P. Krokovny and R. Kulasiri and R. Kumar and Kwon, {Y. J.} and Lee, {M. J.} and T. Lesiak and A. Limosani and Lin, {S. W.} and D. Liventsev and G. Majumder and F. Mandl and T. Matsumoto and S. McOnie and T. Medvedeva and W. Mitaroff and K. Miyabayashi and H. Miyake and H. Miyata and Y. Miyazaki and R. Mizuk and Moloney, {G. R.} and E. Nakano and M. Nakao and H. Nakazawa and Z. Natkaniec and S. Nishida and O. Nitoh and S. Ogawa and T. Ohshima and S. Okuno and Y. Onuki and H. Ozaki and P. Pakhlov and G. Pakhlova and Park, {C. W.} and R. Pestotnik and Piilonen, {L. E.} and Y. Sakai and N. Satoyama and T. Schietinger and O. Schneider and C. Schwanda and R. Seidl and K. Senyo and Sevior, {M. E.} and M. Shapkin and H. Shibuya and B. Shwartz and Singh, {J. B.} and A. Somov and N. Soni and S. Stani{\v c} and M. Stari{\v c} and H. Stoeck and K. Sumisawa and T. Sumiyoshi and S. Suzuki and F. Takasaki and K. Tamai and M. Tanaka and Taylor, {G. N.} and Y. Teramoto and Tian, {X. C.} and I. Tikhomirov and K. Trabelsi and T. Tsukamoto and S. Uehara and K. Ueno and S. Uno and Y. Ushiroda and Y. Usov and G. Varner and S. Villa and Wang, {C. H.} and Y. Watanabe and E. Won and Xie, {Q. L.} and A. Yamaguchi and Y. Yamashita and M. Yamauchi and Y. Yusa and Zhang, {C. C.} and Zhang, {Z. P.} and V. Zhilich and V. Zhulanov",

year = "2007",

month = may,

day = "4",

doi = "10.1103/PhysRevD.75.091102",

language = "English",

volume = "75",

journal = "Physical review D: Particles and fields",

issn = "0556-2821",

publisher = "American Institute of Physics Publising LLC",

number = "9",

}

TY - JOUR

T1 - Improved measurement of B̄0→Ds-D+ and search for B̄0→Ds+Ds- at Belle

AU - Zupanc, A.

AU - Abe, K.

AU - Aihara, H.

AU - Anipko, D.

AU - Arinstein, K.

AU - Aulchenko, V.

AU - Aushev, T.

AU - Bahinipati, S.

AU - Bakich, A. M.

AU - Barberio, E.

AU - Bitenc, U.

AU - Bizjak, I.

AU - Blyth, S.

AU - Bondar, A.

AU - Bozek, A.

AU - Bračko, M.

AU - Browder, T. E.

AU - Chang, M. C.

AU - Chang, P.

AU - Chao, Y.

AU - Chen, K. F.

AU - Chen, W. T.

AU - Cheon, B. G.

AU - Chistov, R.

AU - Choi, S. K.

AU - Choi, Y.

AU - Choi, Y. K.

AU - Dalseno, J.

AU - Dash, M.

AU - Drutskoy, A.

AU - Eidelman, S.

AU - Fratina, S.

AU - Gabyshev, N.

AU - Go, A.

AU - Golob, B.

AU - Ha, H.

AU - Haba, J.

AU - Hara, T.

AU - Hayashii, H.

AU - Hazumi, M.

AU - Heffernan, D.

AU - Hokuue, T.

AU - Hoshi, Y.

AU - Hou, W. S.

AU - Hsiung, Y. B.

AU - Iijima, T.

AU - Ikado, K.

AU - Inami, K.

AU - Ishikawa, A.

AU - Ishino, H.

AU - Itoh, R.

AU - Iwasaki, Y.

AU - Kaji, H.

AU - Kapusta, P.

AU - Kawai, H.

AU - Kawasaki, T.

AU - Kichimi, H.

AU - Kim, H. J.

AU - Kim, Y. J.

AU - Kinoshita, K.

AU - Korpar, S.

AU - Križan, P.

AU - Krokovny, P.

AU - Kulasiri, R.

AU - Kumar, R.

AU - Kwon, Y. J.

AU - Lee, M. J.

AU - Lesiak, T.

AU - Limosani, A.

AU - Lin, S. W.

AU - Liventsev, D.

AU - Majumder, G.

AU - Mandl, F.

AU - Matsumoto, T.

AU - McOnie, S.

AU - Medvedeva, T.

AU - Mitaroff, W.

AU - Miyabayashi, K.

AU - Miyake, H.

AU - Miyata, H.

AU - Miyazaki, Y.

AU - Mizuk, R.

AU - Moloney, G. R.

AU - Nakano, E.

AU - Nakao, M.

AU - Nakazawa, H.

AU - Natkaniec, Z.

AU - Nishida, S.

AU - Nitoh, O.

AU - Ogawa, S.

AU - Ohshima, T.

AU - Okuno, S.

AU - Onuki, Y.

AU - Ozaki, H.

AU - Pakhlov, P.

AU - Pakhlova, G.

AU - Park, C. W.

AU - Pestotnik, R.

AU - Piilonen, L. E.

AU - Sakai, Y.

AU - Satoyama, N.

AU - Schietinger, T.

AU - Schneider, O.

AU - Schwanda, C.

AU - Seidl, R.

AU - Senyo, K.

AU - Sevior, M. E.

AU - Shapkin, M.

AU - Shibuya, H.

AU - Shwartz, B.

AU - Singh, J. B.

AU - Somov, A.

AU - Soni, N.

AU - Stanič, S.

AU - Starič, M.

AU - Stoeck, H.

AU - Sumisawa, K.

AU - Sumiyoshi, T.

AU - Suzuki, S.

AU - Takasaki, F.

AU - Tamai, K.

AU - Tanaka, M.

AU - Taylor, G. N.

AU - Teramoto, Y.

AU - Tian, X. C.

AU - Tikhomirov, I.

AU - Trabelsi, K.

AU - Tsukamoto, T.

AU - Uehara, S.

AU - Ueno, K.

AU - Uno, S.

AU - Ushiroda, Y.

AU - Usov, Y.

AU - Varner, G.

AU - Villa, S.

AU - Wang, C. H.

AU - Watanabe, Y.

AU - Won, E.

AU - Xie, Q. L.

AU - Yamaguchi, A.

AU - Yamashita, Y.

AU - Yamauchi, M.

AU - Yusa, Y.

AU - Zhang, C. C.

AU - Zhang, Z. P.

AU - Zhilich, V.

AU - Zhulanov, V.

PY - 2007/5/4

Y1 - 2007/5/4

N2 - We reconstruct B̄0→Ds-D+ decays using a sample of 449×106 BB̄ pairs recorded by the Belle experiment, and measure the branching fraction to be B(B̄0→Ds-D+)=[7.5±0.2(stat)±0.8(syst) ±0.8(B′s)]×10-3. A search for the related decay B̄0→Ds+Ds- is also performed. Since we observe no statistically significant signal, an upper limit on the branching fraction is set at 3.6×10-5 (90% C.L.).

AB - We reconstruct B̄0→Ds-D+ decays using a sample of 449×106 BB̄ pairs recorded by the Belle experiment, and measure the branching fraction to be B(B̄0→Ds-D+)=[7.5±0.2(stat)±0.8(syst) ±0.8(B′s)]×10-3. A search for the related decay B̄0→Ds+Ds- is also performed. Since we observe no statistically significant signal, an upper limit on the branching fraction is set at 3.6×10-5 (90% C.L.).

UR - http://www.scopus.com/inward/record.url?scp=34247898881&partnerID=8YFLogxK

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U2 - 10.1103/PhysRevD.75.091102

DO - 10.1103/PhysRevD.75.091102

M3 - Article

AN - SCOPUS:34247898881

VL - 75

JO - Physical review D: Particles and fields

JF - Physical review D: Particles and fields

SN - 0556-2821

IS - 9

M1 - 091102

ER -