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Observation of B0 → D*-(5π) +, B+ → D*-(4π)++ and B+ → D̄*0 (5π)+

  • G. Majumder
  • , K. Abe
  • , K. Abe
  • , I. Adachi
  • , H. Aihara
  • , M. Akatsu
  • , Y. Asano
  • , T. Aziz
  • , S. Bahinipati
  • , A. M. Bakich
  • , W. Bartel
  • , A. Bay
  • , I. Bedny
  • , U. Bitenc
  • , I. Bizjak
  • , A. Bozek
  • , J. Brodzicka
  • , T. E. Browder
  • , Y. Chao
  • , W. T. Chen
  • B. G. Cheon, R. Chistov, S. K. Choi, A. Chuvikov, S. Cole, M. Danilov, M. Dash, S. Eidelman, V. Eiges, D. Epifanov, S. Fratina, N. Gabyshev, A. Garmash, T. Gershon, G. Gokhroo, J. Haba, K. Hayasaka, M. Hazumi, Y. Hoshi, S. Hou, W. S. Hou, T. Iijima, A. Imoto, K. Inami, A. Ishikawa, R. Itoh, M. Iwasaki, Y. Iwasaki, J. H. Kang, J. S. Kang, N. Katayama, T. Kawasaki, H. R. Khan, H. J. Kim, K. Kinoshita, P. Križan, P. Krokovny, S. Kumar, C. C. Kuo, Y. J. Kwon, J. S. Lange, G. Leder, T. Lesiak, S. W. Lin, J. MacNaughton, F. Mandl, T. Matsumoto, A. Matyja, W. Mitaroff, H. Miyake, H. Miyata, D. Mohapatra, Y. Nagasaka, T. Nakadaira, M. Nakao, S. Nishida, O. Nitoh, S. Ogawa, T. Ohshima, T. Okabe, S. Okuno, S. L. Olsen, W. Ostrowicz, H. Ozaki, H. Park, K. S. Park, N. Parslow, L. E. Piilonen, Y. Sakai, N. Sato, T. Schietinger, O. Schneider, J. Schümann, S. Semenov, K. Senyo, H. Shibuya, J. B. Singh, A. Somov, N. Soni, S. Stanic, M. Starič, T. Sumiyoshi, S. Suzuki, O. Tajima, F. Takasaki, K. Tamai, N. Tamura, M. Tanaka, Y. Teramoto, T. Tsukamoto, S. Uehara, T. Uglov, K. Ueno, S. Uno, G. Varner, S. Villa, C. C. Wang, C. H. Wang, B. D. Yabsley, A. Yamaguchi, Y. Yamashita, J. Ying, L. M. Zhang, Z. P. Zhang, D. Žontar
  • Tata Institute of Fundamental Research
  • High Energy Accelerator Research Organization, Tsukuba
  • Tohoku Gakuin University
  • The University of Tokyo
  • Nagoya University
  • University of Tsukuba
  • University of Cincinnati
  • The University of Sydney
  • German Electron Synchrotron
  • Swiss Federal Institute of Technology Lausanne
  • RAS - Budker Institute of Nuclear Physics
  • Jožef Stefan Institute
  • H. Niewodniczanski Institute of Nuclear Physics
  • University of Hawai'i at Mānoa
  • National Taiwan University
  • National Central University
  • Chonnam National University
  • Alikhanov Institute for Theoretical and Experimental Physics
  • Gyeongsang National University
  • Princeton University
  • Virginia Polytechnic Institute and State University
  • Nara Women's University
  • Yonsei University
  • Korea University
  • Niigata University
  • Institute of Science Tokyo
  • University of Ljubljana
  • Panjab University
  • Goethe University Frankfurt
  • Austrian Academy of Sciences
  • Tokyo Metropolitan University
  • The University of Osaka
  • Hiroshima Institute of Technology
  • Tokyo University of Agriculture and Technology
  • Toho University
  • Kanagawa University
  • Kyungpook National University
  • Sungkyunkwan University
  • University of Nova Gorica
  • Saga University
  • Osaka Metropolitan University
  • National United University Taiwan
  • Tohoku University
  • Nihon Dental College
  • Peking University
  • University of Science and Technology of China

Research output: Contribution to journalArticlepeer-review

12 Scopus citations

Abstract

We report the first observation of a number of decay modes of the B meson, namely B0 → D*- (5π)+, B + → D*-(4π)++, and B+ → D̄*0(5π)+, where (nπ) implies the combination of n charged pions. The analysis is based on a 140 fb-1 data sample collected at the Y(4S) resonance with the Belle detector at KEKB: We measure B[B0 → D*-(5π)+] = (4.72 ± 0.59 ± 0.71) × 10-3, B[B+ → D*-(4μ)++] = (2.56 ± 0.26 ± 0.33) × 10-3, and B[B+ → D̄* 0(5π)+] = (5.67 ± 0.91 ± 0.85) × 10-3. We also provide improved measurements of the branching fractions for the decay modes B0 → D*-(3π) +, B+ → D̄*0°(3π) +, and B0 → D̄*0(4π) 0.

Original languageEnglish
Article number111103
Pages (from-to)111103-1-111103-5
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume70
Issue number11
DOIs
StatePublished - Dec 2004

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