Measurement of the [Formula Presented] mixing rate with [Formula Presented] partial reconstruction

Y. Zheng, T. E. Browder, K. Abe, K. Abe, R. Abe, I. Adachi, H. Aihara, M. Akatsu, Y. Asano, T. Aso, T. Aushev, A. M. Bakich, Y. Ban, A. Bay, P. K. Behera, A. Bondar, A. Bozek, M. Bračko, B. C.K. Casey, Y. ChaoK. Chen, B. G. Cheon, R. Chistov, Y. Choi, Y. K. Choi, M. Danilov, S. Eidelman, V. Eiges, Y. Enari, C. Fukunaga, N. Gabyshev, A. Garmash, T. Gershon, B. Golob, C. Hagner, F. Handa, T. Hara, N. C. Hastings, K. Hasuko, M. Hazumi, E. M. Heenan, I. Higuchi, L. Hinz, T. Hokuue, Y. Hoshi, W. Hou, H. Huang, Y. Igarashi, T. Iijima, K. Inami, H. Ishino, H. Iwasaki, M. Iwasaki, H. K. Jang, J. H. Kang, J. S. Kang, S. U. Kataoka, N. Katayama, H. Kawai, Y. Kawakami, N. Kawamura, T. Kawasaki, H. Kichimi, D. W. Kim, H. J. Kim, H. O. Kim, Hyunwoo Kim, J. H. Kim, S. K. Kim, K. Kinoshita, S. Kobayashi, S. Korpar, P. Krokovny, A. Kuzmin, Y. Kwon, G. Leder, S. H. Lee, J. Li, D. Liventsev, R. Lu, J. MacNaughton, G. Majumder, S. Matsumoto, T. Matsumoto, W. Mitaroff, Y. Miyabayashi, H. Miyake, H. Miyata, T. Nagamine, Y. Nagasaka, T. Nakadaira, E. Nakano, M. Nakao, H. Nakazawa, J. W. Nam, Z. Natkaniec, S. Nishida, O. Nitoh, T. Nozaki, S. Ogawa, T. Ohshima, T. Okabe, S. Okuno, S. L. Olsen, Y. Onuki, W. Ostrowicz, H. Ozaki, C. W. Park, H. Park, K. S. Park, J. Perroud, L. E. Piilonen, F. J. Ronga, K. Rybicki, H. Sagawa, Y. Sakai, T. R. Sarangi, M. Satapathy, A. Satpathy, O. Schneider, S. Schrenk, C. Schwanda, S. Semenov, R. Seuster, M. E. Sevior, H. Shibuya, V. Sidorov, J. B. Singh, N. Soni, S. Stanič, M. Starič, A. Sugi, K. Sumisawa, T. Sumiyoshi, S. Suzuki, S. Y. Suzuki, T. Takahashi, F. Takasaki, K. Tamai, N. Tamura, J. Tanaka, M. Tanaka, G. N. Taylor, Y. Teramoto, S. Tokuda, T. Tomura, T. Tsuboyama, T. Tsukamoto, S. Uehara, K. Ueno, S. Uno, G. Varner, K. E. Varvell, C. C. Wang, C. H. Wang, J. G. Wang, Y. Watanabe, E. Won, B. D. Yabsley, Y. Yamada, A. Yamaguchi, Y. Yamashita, M. Yamauchi, H. Yanai, M. Yokoyama, Y. Yuan, C. C. Zhang, Z. P. Zhang, V. Zhilich, D. Žontar

    Research output: Contribution to journalArticlepeer-review

    Abstract

    We report a measurement of the [Formula Presented] mixing parameter [Formula Presented] based on a [Formula Presented] sample of [Formula Presented] resonance decays collected by the Belle detector at the KEKB asymmetric [Formula Presented] collider. We use events with a partially reconstructed [Formula Presented] candidate and where the flavor of the accompanying B meson is identified by the charge of the lepton from a [Formula Presented] decay. The proper-time difference between the two B mesons is determined from the distance between the two decay vertices. From a simultaneous fit to the proper-time distributions for the same-flavor [Formula Presented] and opposite-flavor [Formula Presented] event samples, we measure the mass difference between the two mass eigenstates of the neutral B meson to be [Formula Presented].

    Original languageEnglish
    JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
    Volume67
    Issue number9
    DOIs
    Publication statusPublished - 2003

    ASJC Scopus subject areas

    • Nuclear and High Energy Physics
    • Physics and Astronomy (miscellaneous)

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