Improved measurement of CP-violation parameters sin 2φ 1 and |λ|, B meson lifetimes, and B 0-B̄ 0 mixing parameter Δm d

K. Abe, K. Abe, I. Adachi, H. Aihara, M. Akatsu, Y. Asano, T. Aushev, T. Aziz, S. Bahinipati, A. M. Bakich, Y. Ban, S. Banerjee, A. Bay, I. Bedny, U. Bitenc, I. Bizjak, S. Blyth, A. Bondar, A. Bozek, M. Bračko & 168 others J. Brodzicka, T. E. Browder, P. Chang, Y. Chao, A. Chen, K. F. Chen, W. T. Chen, B. G. Cheon, R. Chistov, S. K. Choi, Y. Choi, A. Chuvikov, S. Cole, J. Dalseno, M. Danilov, M. Dash, A. Drutskoy, S. Eidelman, V. Eiges, F. Fang, S. Fratina, N. Gabyshev, A. Garmash, T. Gershon, A. Go, G. Gokhroo, B. Golob, J. Haba, K. Hara, N. C. Hastings, K. Hayasaka, H. Hayashii, M. Hazumi, I. Higuchi, T. Higuchi, L. Hinz, T. Hokuue, Y. Hoshi, S. Hou, W. S. Hou, T. Iijima, A. Imoto, K. Inami, A. Ishikawa, H. Ishino, R. Itoh, Y. Iwasaki, H. Kakuno, Ju Hwan Kang, J. S. Kang, P. Kapusta, S. U. Kataoka, N. Katayama, H. Kawai, T. Kawasaki, H. Kichimi, H. J. Kim, J. H. Kim, S. K. Kim, S. M. Kim, K. Kinoshita, P. Koppenburg, S. Korpar, P. Križan, P. Krokovny, C. C. Kuo, Youngjoon Kwon, J. S. Lange, G. Leder, S. H. Lee, T. Lesiak, J. Li, S. W. Lin, D. Liventsev, J. MacNaughton, G. Majumder, F. Mandl, D. Marlow, T. Matsumoto, A. Matyja, W. Mitaroff, K. Miyabayashi, H. Miyake, H. Miyata, R. Mizuk, T. Nagamine, Y. Nagasaka, I. Nakamura, E. Nakano, M. Nakao, S. Nishida, O. Nitoh, S. Noguchi, T. Nozaki, S. Ogawa, T. Ohshima, T. Okabe, S. Okuno, S. L. Olsen, Y. Onuki, W. Ostrowicz, H. Ozaki, P. Pakhlov, H. Palka, C. W. Park, N. Parslow, R. Pestotnik, L. E. Piilonen, M. Rozanska, H. Sagawa, Y. Sakai, N. Sato, T. Schietinger, O. Schneider, J. Schümann, C. Schwanda, A. J. Schwartz, S. Semenov, K. Senyo, M. E. Sevior, T. Shibata, H. Shibuya, B. Shwartz, V. Sidorov, J. B. Singh, A. Somov, N. Soni, R. Stamen, S. Stanič, M. Starič, K. Sumisawa, T. Sumiyoshi, S. Suzuki, S. Y. Suzuki, O. Tajima, F. Takasaki, K. Tamai, N. Tamura, M. Tanaka, Y. Teramoto, X. C. Tian, K. Trabelsi, T. Tsuboyama, T. Tsukamoto, S. Uehara, T. Uglov, K. Ueno, S. Uno, Y. Ushiroda, K. E. Varvell, S. Villa, C. C. Wang, C. H. Wang, M. Watanabe, Y. Watanabe, B. D. Yabsley, A. Yamaguchi, H. Yamamoto, Y. Yamashita, M. Yamauchi, J. Ying, Y. Yusa, C. C. Zhang, J. Zhang, L. M. Zhang, Z. P. Zhang, V. Zhilich, D. Žontar

Research output: Contribution to journalArticle

95 Citations (Scopus)

Abstract

We present a precise measurement of the standard model CP-violation parameter sin2φ 1, the direct CP violation parameter |λ|, the lifetimes of charged and neutral B mesons and their ratio, and the B 0-B̄ 0 mixing parameter Δm d based on a sample of 152 x 10 6 BB̄ pairs collected at the Υ(4S) resonance with the Belle detector at the KEKB asymmetric-energy e +e - collider. One of two B mesons is fully reconstructed in a CP-eigenstate or a flavor-eigenstate decay channel. The flavor of the accompanying B meson is identified from its decay products. From the distributions of the time interval between the two B meson decay points, we obtain sin2φ 1 = 0.728 ± 0.056(stat) ± 0.023(syst), |λ| = 1.007 ± 0.041(stat) ± 0.033(syst), τ B0 = [1.534 ± 0.008(stat) ± 0.010(syst)] ps, τ B+ = [1.635 ± 0.011(stat) ± 0.011(syst)] ps, τ B+/ τ B0 = 1.066 ± 0.008(stat) ± 0.008(syst) and Δm d = [0.511 ± 0.005(stat) ± 0.006(syst) ps -1. The results for sin2φ 1 and |λ| are consistent with the standard model expectations. The significance of the observed deviation from unity in the lifetime ratio exceeds 5 standard deviations.

Original languageEnglish
Article number072003
Pages (from-to)1-12
Number of pages12
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume71
Issue number7
DOIs
Publication statusPublished - 2005 Apr 1

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CP violation
mesons
life (durability)
eigenvectors
decay
unity
standard deviation
intervals
deviation
detectors
products
energy

All Science Journal Classification (ASJC) codes

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

Cite this

Abe, K. ; Abe, K. ; Adachi, I. ; Aihara, H. ; Akatsu, M. ; Asano, Y. ; Aushev, T. ; Aziz, T. ; Bahinipati, S. ; Bakich, A. M. ; Ban, Y. ; Banerjee, S. ; Bay, A. ; Bedny, I. ; Bitenc, U. ; Bizjak, I. ; Blyth, S. ; Bondar, A. ; Bozek, A. ; Bračko, M. ; Brodzicka, J. ; Browder, T. E. ; Chang, P. ; Chao, Y. ; Chen, A. ; Chen, K. F. ; Chen, W. T. ; Cheon, B. G. ; Chistov, R. ; Choi, S. K. ; Choi, Y. ; Chuvikov, A. ; Cole, S. ; Dalseno, J. ; Danilov, M. ; Dash, M. ; Drutskoy, A. ; Eidelman, S. ; Eiges, V. ; Fang, F. ; Fratina, S. ; Gabyshev, N. ; Garmash, A. ; Gershon, T. ; Go, A. ; Gokhroo, G. ; Golob, B. ; Haba, J. ; Hara, K. ; Hastings, N. C. ; Hayasaka, K. ; Hayashii, H. ; Hazumi, M. ; Higuchi, I. ; Higuchi, T. ; Hinz, L. ; Hokuue, T. ; Hoshi, Y. ; Hou, S. ; Hou, W. S. ; Iijima, T. ; Imoto, A. ; Inami, K. ; Ishikawa, A. ; Ishino, H. ; Itoh, R. ; Iwasaki, Y. ; Kakuno, H. ; Kang, Ju Hwan ; Kang, J. S. ; Kapusta, P. ; Kataoka, S. U. ; Katayama, N. ; Kawai, H. ; Kawasaki, T. ; Kichimi, H. ; Kim, H. J. ; Kim, J. H. ; Kim, S. K. ; Kim, S. M. ; Kinoshita, K. ; Koppenburg, P. ; Korpar, S. ; Križan, P. ; Krokovny, P. ; Kuo, C. C. ; Kwon, Youngjoon ; Lange, J. S. ; Leder, G. ; Lee, S. H. ; Lesiak, T. ; Li, J. ; Lin, S. W. ; Liventsev, D. ; MacNaughton, J. ; Majumder, G. ; Mandl, F. ; Marlow, D. ; Matsumoto, T. ; Matyja, A. ; Mitaroff, W. ; Miyabayashi, K. ; Miyake, H. ; Miyata, H. ; Mizuk, R. ; Nagamine, T. ; Nagasaka, Y. ; Nakamura, I. ; Nakano, E. ; Nakao, M. ; Nishida, S. ; Nitoh, O. ; Noguchi, S. ; Nozaki, T. ; Ogawa, S. ; Ohshima, T. ; Okabe, T. ; Okuno, S. ; Olsen, S. L. ; Onuki, Y. ; Ostrowicz, W. ; Ozaki, H. ; Pakhlov, P. ; Palka, H. ; Park, C. W. ; Parslow, N. ; Pestotnik, R. ; Piilonen, L. E. ; Rozanska, M. ; Sagawa, H. ; Sakai, Y. ; Sato, N. ; Schietinger, T. ; Schneider, O. ; Schümann, J. ; Schwanda, C. ; Schwartz, A. J. ; Semenov, S. ; Senyo, K. ; Sevior, M. E. ; Shibata, T. ; Shibuya, H. ; Shwartz, B. ; Sidorov, V. ; Singh, J. B. ; Somov, A. ; Soni, N. ; Stamen, R. ; Stanič, S. ; Starič, M. ; Sumisawa, K. ; Sumiyoshi, T. ; Suzuki, S. ; Suzuki, S. Y. ; Tajima, O. ; Takasaki, F. ; Tamai, K. ; Tamura, N. ; Tanaka, M. ; Teramoto, Y. ; Tian, X. C. ; Trabelsi, K. ; Tsuboyama, T. ; Tsukamoto, T. ; Uehara, S. ; Uglov, T. ; Ueno, K. ; Uno, S. ; Ushiroda, Y. ; Varvell, K. E. ; Villa, S. ; Wang, C. C. ; Wang, C. H. ; Watanabe, M. ; Watanabe, Y. ; Yabsley, B. D. ; Yamaguchi, A. ; Yamamoto, H. ; Yamashita, Y. ; Yamauchi, M. ; Ying, J. ; Yusa, Y. ; Zhang, C. C. ; Zhang, J. ; Zhang, L. M. ; Zhang, Z. P. ; Zhilich, V. ; Žontar, D. / Improved measurement of CP-violation parameters sin 2φ 1 and |λ|, B meson lifetimes, and B 0-B̄ 0 mixing parameter Δm d In: Physical Review D - Particles, Fields, Gravitation and Cosmology. 2005 ; Vol. 71, No. 7. pp. 1-12.
@article{8a1e8bf8ed0b42c78571dc84d9936cca,
title = "Improved measurement of CP-violation parameters sin 2φ 1 and |λ|, B meson lifetimes, and B 0-B̄ 0 mixing parameter Δm d",
abstract = "We present a precise measurement of the standard model CP-violation parameter sin2φ 1, the direct CP violation parameter |λ|, the lifetimes of charged and neutral B mesons and their ratio, and the B 0-B̄ 0 mixing parameter Δm d based on a sample of 152 x 10 6 BB̄ pairs collected at the Υ(4S) resonance with the Belle detector at the KEKB asymmetric-energy e +e - collider. One of two B mesons is fully reconstructed in a CP-eigenstate or a flavor-eigenstate decay channel. The flavor of the accompanying B meson is identified from its decay products. From the distributions of the time interval between the two B meson decay points, we obtain sin2φ 1 = 0.728 ± 0.056(stat) ± 0.023(syst), |λ| = 1.007 ± 0.041(stat) ± 0.033(syst), τ B0 = [1.534 ± 0.008(stat) ± 0.010(syst)] ps, τ B+ = [1.635 ± 0.011(stat) ± 0.011(syst)] ps, τ B+/ τ B0 = 1.066 ± 0.008(stat) ± 0.008(syst) and Δm d = [0.511 ± 0.005(stat) ± 0.006(syst) ps -1. The results for sin2φ 1 and |λ| are consistent with the standard model expectations. The significance of the observed deviation from unity in the lifetime ratio exceeds 5 standard deviations.",
author = "K. Abe and K. Abe and I. Adachi and H. Aihara and M. Akatsu and Y. Asano and T. Aushev and T. Aziz and S. Bahinipati and Bakich, {A. M.} and Y. Ban and S. Banerjee and A. Bay and I. Bedny and U. Bitenc and I. Bizjak and S. Blyth and A. Bondar and A. Bozek and M. Bračko and J. Brodzicka and Browder, {T. E.} and P. Chang and Y. Chao and A. Chen and Chen, {K. F.} and Chen, {W. T.} and Cheon, {B. G.} and R. Chistov and Choi, {S. K.} and Y. Choi and A. Chuvikov and S. Cole and J. Dalseno and M. Danilov and M. Dash and A. Drutskoy and S. Eidelman and V. Eiges and F. Fang and S. Fratina and N. Gabyshev and A. Garmash and T. Gershon and A. Go and G. Gokhroo and B. Golob and J. Haba and K. Hara and Hastings, {N. C.} and K. Hayasaka and H. Hayashii and M. Hazumi and I. Higuchi and T. Higuchi and L. Hinz and T. Hokuue and Y. Hoshi and S. Hou and Hou, {W. S.} and T. Iijima and A. Imoto and K. Inami and A. Ishikawa and H. Ishino and R. Itoh and Y. Iwasaki and H. Kakuno and Kang, {Ju Hwan} and Kang, {J. S.} and P. Kapusta and Kataoka, {S. U.} and N. Katayama and H. Kawai and T. Kawasaki and H. Kichimi and Kim, {H. J.} and Kim, {J. H.} and Kim, {S. K.} and Kim, {S. M.} and K. Kinoshita and P. Koppenburg and S. Korpar and P. Križan and P. Krokovny and Kuo, {C. C.} and Youngjoon Kwon and Lange, {J. S.} and G. Leder and Lee, {S. H.} and T. Lesiak and J. Li and Lin, {S. W.} and D. Liventsev and J. MacNaughton and G. Majumder and F. Mandl and D. Marlow and T. Matsumoto and A. Matyja and W. Mitaroff and K. Miyabayashi and H. Miyake and H. Miyata and R. Mizuk and T. Nagamine and Y. Nagasaka and I. Nakamura and E. Nakano and M. Nakao and S. Nishida and O. Nitoh and S. Noguchi and T. Nozaki and S. Ogawa and T. Ohshima and T. Okabe and S. Okuno and Olsen, {S. L.} and Y. Onuki and W. Ostrowicz and H. Ozaki and P. Pakhlov and H. Palka and Park, {C. W.} and N. Parslow and R. Pestotnik and Piilonen, {L. E.} and M. Rozanska and H. Sagawa and Y. Sakai and N. Sato and T. Schietinger and O. Schneider and J. Sch{\"u}mann and C. Schwanda and Schwartz, {A. J.} and S. Semenov and K. Senyo and Sevior, {M. E.} and T. Shibata and H. Shibuya and B. Shwartz and V. Sidorov and Singh, {J. B.} and A. Somov and N. Soni and R. Stamen and S. Stanič and M. Starič and K. Sumisawa and T. Sumiyoshi and S. Suzuki and Suzuki, {S. Y.} and O. Tajima and F. Takasaki and K. Tamai and N. Tamura and M. Tanaka and Y. Teramoto and Tian, {X. C.} and K. Trabelsi and T. Tsuboyama and T. Tsukamoto and S. Uehara and T. Uglov and K. Ueno and S. Uno and Y. Ushiroda and Varvell, {K. E.} and S. Villa and Wang, {C. C.} and Wang, {C. H.} and M. Watanabe and Y. Watanabe and Yabsley, {B. D.} and A. Yamaguchi and H. Yamamoto and Y. Yamashita and M. Yamauchi and J. Ying and Y. Yusa and Zhang, {C. C.} and J. Zhang and Zhang, {L. M.} and Zhang, {Z. P.} and V. Zhilich and D. Žontar",
year = "2005",
month = "4",
day = "1",
doi = "10.1103/PhysRevD.71.072003",
language = "English",
volume = "71",
pages = "1--12",
journal = "Physical review D: Particles and fields",
issn = "1550-7998",
publisher = "American Physical Society",
number = "7",

}

Abe, K, Abe, K, Adachi, I, Aihara, H, Akatsu, M, Asano, Y, Aushev, T, Aziz, T, Bahinipati, S, Bakich, AM, Ban, Y, Banerjee, S, Bay, A, Bedny, I, Bitenc, U, Bizjak, I, Blyth, S, Bondar, A, Bozek, A, Bračko, M, Brodzicka, J, Browder, TE, Chang, P, Chao, Y, Chen, A, Chen, KF, Chen, WT, Cheon, BG, Chistov, R, Choi, SK, Choi, Y, Chuvikov, A, Cole, S, Dalseno, J, Danilov, M, Dash, M, Drutskoy, A, Eidelman, S, Eiges, V, Fang, F, Fratina, S, Gabyshev, N, Garmash, A, Gershon, T, Go, A, Gokhroo, G, Golob, B, Haba, J, Hara, K, Hastings, NC, Hayasaka, K, Hayashii, H, Hazumi, M, Higuchi, I, Higuchi, T, Hinz, L, Hokuue, T, Hoshi, Y, Hou, S, Hou, WS, Iijima, T, Imoto, A, Inami, K, Ishikawa, A, Ishino, H, Itoh, R, Iwasaki, Y, Kakuno, H, Kang, JH, Kang, JS, Kapusta, P, Kataoka, SU, Katayama, N, Kawai, H, Kawasaki, T, Kichimi, H, Kim, HJ, Kim, JH, Kim, SK, Kim, SM, Kinoshita, K, Koppenburg, P, Korpar, S, Križan, P, Krokovny, P, Kuo, CC, Kwon, Y, Lange, JS, Leder, G, Lee, SH, Lesiak, T, Li, J, Lin, SW, Liventsev, D, MacNaughton, J, Majumder, G, Mandl, F, Marlow, D, Matsumoto, T, Matyja, A, Mitaroff, W, Miyabayashi, K, Miyake, H, Miyata, H, Mizuk, R, Nagamine, T, Nagasaka, Y, Nakamura, I, Nakano, E, Nakao, M, Nishida, S, Nitoh, O, Noguchi, S, Nozaki, T, Ogawa, S, Ohshima, T, Okabe, T, Okuno, S, Olsen, SL, Onuki, Y, Ostrowicz, W, Ozaki, H, Pakhlov, P, Palka, H, Park, CW, Parslow, N, Pestotnik, R, Piilonen, LE, Rozanska, M, Sagawa, H, Sakai, Y, Sato, N, Schietinger, T, Schneider, O, Schümann, J, Schwanda, C, Schwartz, AJ, Semenov, S, Senyo, K, Sevior, ME, Shibata, T, Shibuya, H, Shwartz, B, Sidorov, V, Singh, JB, Somov, A, Soni, N, Stamen, R, Stanič, S, Starič, M, Sumisawa, K, Sumiyoshi, T, Suzuki, S, Suzuki, SY, Tajima, O, Takasaki, F, Tamai, K, Tamura, N, Tanaka, M, Teramoto, Y, Tian, XC, Trabelsi, K, Tsuboyama, T, Tsukamoto, T, Uehara, S, Uglov, T, Ueno, K, Uno, S, Ushiroda, Y, Varvell, KE, Villa, S, Wang, CC, Wang, CH, Watanabe, M, Watanabe, Y, Yabsley, BD, Yamaguchi, A, Yamamoto, H, Yamashita, Y, Yamauchi, M, Ying, J, Yusa, Y, Zhang, CC, Zhang, J, Zhang, LM, Zhang, ZP, Zhilich, V & Žontar, D 2005, 'Improved measurement of CP-violation parameters sin 2φ 1 and |λ|, B meson lifetimes, and B 0-B̄ 0 mixing parameter Δm d ', Physical Review D - Particles, Fields, Gravitation and Cosmology, vol. 71, no. 7, 072003, pp. 1-12. https://doi.org/10.1103/PhysRevD.71.072003

Improved measurement of CP-violation parameters sin 2φ 1 and |λ|, B meson lifetimes, and B 0-B̄ 0 mixing parameter Δm d . / Abe, K.; Abe, K.; Adachi, I.; Aihara, H.; Akatsu, M.; Asano, Y.; Aushev, T.; Aziz, T.; Bahinipati, S.; Bakich, A. M.; Ban, Y.; Banerjee, S.; Bay, A.; Bedny, I.; Bitenc, U.; Bizjak, I.; Blyth, S.; Bondar, A.; Bozek, A.; Bračko, M.; Brodzicka, J.; Browder, T. E.; Chang, P.; Chao, Y.; Chen, A.; Chen, K. F.; Chen, W. T.; Cheon, B. G.; Chistov, R.; Choi, S. K.; Choi, Y.; Chuvikov, A.; Cole, S.; Dalseno, J.; Danilov, M.; Dash, M.; Drutskoy, A.; Eidelman, S.; Eiges, V.; Fang, F.; Fratina, S.; Gabyshev, N.; Garmash, A.; Gershon, T.; Go, A.; Gokhroo, G.; Golob, B.; Haba, J.; Hara, K.; Hastings, N. C.; Hayasaka, K.; Hayashii, H.; Hazumi, M.; Higuchi, I.; Higuchi, T.; Hinz, L.; Hokuue, T.; Hoshi, Y.; Hou, S.; Hou, W. S.; Iijima, T.; Imoto, A.; Inami, K.; Ishikawa, A.; Ishino, H.; Itoh, R.; Iwasaki, Y.; Kakuno, H.; Kang, Ju Hwan; Kang, J. S.; Kapusta, P.; Kataoka, S. U.; Katayama, N.; Kawai, H.; Kawasaki, T.; Kichimi, H.; Kim, H. J.; Kim, J. H.; Kim, S. K.; Kim, S. M.; Kinoshita, K.; Koppenburg, P.; Korpar, S.; Križan, P.; Krokovny, P.; Kuo, C. C.; Kwon, Youngjoon; Lange, J. S.; Leder, G.; Lee, S. H.; Lesiak, T.; Li, J.; Lin, S. W.; Liventsev, D.; MacNaughton, J.; Majumder, G.; Mandl, F.; Marlow, D.; Matsumoto, T.; Matyja, A.; Mitaroff, W.; Miyabayashi, K.; Miyake, H.; Miyata, H.; Mizuk, R.; Nagamine, T.; Nagasaka, Y.; Nakamura, I.; Nakano, E.; Nakao, M.; Nishida, S.; Nitoh, O.; Noguchi, S.; Nozaki, T.; Ogawa, S.; Ohshima, T.; Okabe, T.; Okuno, S.; Olsen, S. L.; Onuki, Y.; Ostrowicz, W.; Ozaki, H.; Pakhlov, P.; Palka, H.; Park, C. W.; Parslow, N.; Pestotnik, R.; Piilonen, L. E.; Rozanska, M.; Sagawa, H.; Sakai, Y.; Sato, N.; Schietinger, T.; Schneider, O.; Schümann, J.; Schwanda, C.; Schwartz, A. J.; Semenov, S.; Senyo, K.; Sevior, M. E.; Shibata, T.; Shibuya, H.; Shwartz, B.; Sidorov, V.; Singh, J. B.; Somov, A.; Soni, N.; Stamen, R.; Stanič, S.; Starič, M.; Sumisawa, K.; Sumiyoshi, T.; Suzuki, S.; Suzuki, S. Y.; Tajima, O.; Takasaki, F.; Tamai, K.; Tamura, N.; Tanaka, M.; Teramoto, Y.; Tian, X. C.; Trabelsi, K.; Tsuboyama, T.; Tsukamoto, T.; Uehara, S.; Uglov, T.; Ueno, K.; Uno, S.; Ushiroda, Y.; Varvell, K. E.; Villa, S.; Wang, C. C.; Wang, C. H.; Watanabe, M.; Watanabe, Y.; Yabsley, B. D.; Yamaguchi, A.; Yamamoto, H.; Yamashita, Y.; Yamauchi, M.; Ying, J.; Yusa, Y.; Zhang, C. C.; Zhang, J.; Zhang, L. M.; Zhang, Z. P.; Zhilich, V.; Žontar, D.

In: Physical Review D - Particles, Fields, Gravitation and Cosmology, Vol. 71, No. 7, 072003, 01.04.2005, p. 1-12.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Improved measurement of CP-violation parameters sin 2φ 1 and |λ|, B meson lifetimes, and B 0-B̄ 0 mixing parameter Δm d

AU - Abe, K.

AU - Abe, K.

AU - Adachi, I.

AU - Aihara, H.

AU - Akatsu, M.

AU - Asano, Y.

AU - Aushev, T.

AU - Aziz, T.

AU - Bahinipati, S.

AU - Bakich, A. M.

AU - Ban, Y.

AU - Banerjee, S.

AU - Bay, A.

AU - Bedny, I.

AU - Bitenc, U.

AU - Bizjak, I.

AU - Blyth, S.

AU - Bondar, A.

AU - Bozek, A.

AU - Bračko, M.

AU - Brodzicka, J.

AU - Browder, T. E.

AU - Chang, P.

AU - Chao, Y.

AU - Chen, A.

AU - Chen, K. F.

AU - Chen, W. T.

AU - Cheon, B. G.

AU - Chistov, R.

AU - Choi, S. K.

AU - Choi, Y.

AU - Chuvikov, A.

AU - Cole, S.

AU - Dalseno, J.

AU - Danilov, M.

AU - Dash, M.

AU - Drutskoy, A.

AU - Eidelman, S.

AU - Eiges, V.

AU - Fang, F.

AU - Fratina, S.

AU - Gabyshev, N.

AU - Garmash, A.

AU - Gershon, T.

AU - Go, A.

AU - Gokhroo, G.

AU - Golob, B.

AU - Haba, J.

AU - Hara, K.

AU - Hastings, N. C.

AU - Hayasaka, K.

AU - Hayashii, H.

AU - Hazumi, M.

AU - Higuchi, I.

AU - Higuchi, T.

AU - Hinz, L.

AU - Hokuue, T.

AU - Hoshi, Y.

AU - Hou, S.

AU - Hou, W. S.

AU - Iijima, T.

AU - Imoto, A.

AU - Inami, K.

AU - Ishikawa, A.

AU - Ishino, H.

AU - Itoh, R.

AU - Iwasaki, Y.

AU - Kakuno, H.

AU - Kang, Ju Hwan

AU - Kang, J. S.

AU - Kapusta, P.

AU - Kataoka, S. U.

AU - Katayama, N.

AU - Kawai, H.

AU - Kawasaki, T.

AU - Kichimi, H.

AU - Kim, H. J.

AU - Kim, J. H.

AU - Kim, S. K.

AU - Kim, S. M.

AU - Kinoshita, K.

AU - Koppenburg, P.

AU - Korpar, S.

AU - Križan, P.

AU - Krokovny, P.

AU - Kuo, C. C.

AU - Kwon, Youngjoon

AU - Lange, J. S.

AU - Leder, G.

AU - Lee, S. H.

AU - Lesiak, T.

AU - Li, J.

AU - Lin, S. W.

AU - Liventsev, D.

AU - MacNaughton, J.

AU - Majumder, G.

AU - Mandl, F.

AU - Marlow, D.

AU - Matsumoto, T.

AU - Matyja, A.

AU - Mitaroff, W.

AU - Miyabayashi, K.

AU - Miyake, H.

AU - Miyata, H.

AU - Mizuk, R.

AU - Nagamine, T.

AU - Nagasaka, Y.

AU - Nakamura, I.

AU - Nakano, E.

AU - Nakao, M.

AU - Nishida, S.

AU - Nitoh, O.

AU - Noguchi, S.

AU - Nozaki, T.

AU - Ogawa, S.

AU - Ohshima, T.

AU - Okabe, T.

AU - Okuno, S.

AU - Olsen, S. L.

AU - Onuki, Y.

AU - Ostrowicz, W.

AU - Ozaki, H.

AU - Pakhlov, P.

AU - Palka, H.

AU - Park, C. W.

AU - Parslow, N.

AU - Pestotnik, R.

AU - Piilonen, L. E.

AU - Rozanska, M.

AU - Sagawa, H.

AU - Sakai, Y.

AU - Sato, N.

AU - Schietinger, T.

AU - Schneider, O.

AU - Schümann, J.

AU - Schwanda, C.

AU - Schwartz, A. J.

AU - Semenov, S.

AU - Senyo, K.

AU - Sevior, M. E.

AU - Shibata, T.

AU - Shibuya, H.

AU - Shwartz, B.

AU - Sidorov, V.

AU - Singh, J. B.

AU - Somov, A.

AU - Soni, N.

AU - Stamen, R.

AU - Stanič, S.

AU - Starič, M.

AU - Sumisawa, K.

AU - Sumiyoshi, T.

AU - Suzuki, S.

AU - Suzuki, S. Y.

AU - Tajima, O.

AU - Takasaki, F.

AU - Tamai, K.

AU - Tamura, N.

AU - Tanaka, M.

AU - Teramoto, Y.

AU - Tian, X. C.

AU - Trabelsi, K.

AU - Tsuboyama, T.

AU - Tsukamoto, T.

AU - Uehara, S.

AU - Uglov, T.

AU - Ueno, K.

AU - Uno, S.

AU - Ushiroda, Y.

AU - Varvell, K. E.

AU - Villa, S.

AU - Wang, C. C.

AU - Wang, C. H.

AU - Watanabe, M.

AU - Watanabe, Y.

AU - Yabsley, B. D.

AU - Yamaguchi, A.

AU - Yamamoto, H.

AU - Yamashita, Y.

AU - Yamauchi, M.

AU - Ying, J.

AU - Yusa, Y.

AU - Zhang, C. C.

AU - Zhang, J.

AU - Zhang, L. M.

AU - Zhang, Z. P.

AU - Zhilich, V.

AU - Žontar, D.

PY - 2005/4/1

Y1 - 2005/4/1

N2 - We present a precise measurement of the standard model CP-violation parameter sin2φ 1, the direct CP violation parameter |λ|, the lifetimes of charged and neutral B mesons and their ratio, and the B 0-B̄ 0 mixing parameter Δm d based on a sample of 152 x 10 6 BB̄ pairs collected at the Υ(4S) resonance with the Belle detector at the KEKB asymmetric-energy e +e - collider. One of two B mesons is fully reconstructed in a CP-eigenstate or a flavor-eigenstate decay channel. The flavor of the accompanying B meson is identified from its decay products. From the distributions of the time interval between the two B meson decay points, we obtain sin2φ 1 = 0.728 ± 0.056(stat) ± 0.023(syst), |λ| = 1.007 ± 0.041(stat) ± 0.033(syst), τ B0 = [1.534 ± 0.008(stat) ± 0.010(syst)] ps, τ B+ = [1.635 ± 0.011(stat) ± 0.011(syst)] ps, τ B+/ τ B0 = 1.066 ± 0.008(stat) ± 0.008(syst) and Δm d = [0.511 ± 0.005(stat) ± 0.006(syst) ps -1. The results for sin2φ 1 and |λ| are consistent with the standard model expectations. The significance of the observed deviation from unity in the lifetime ratio exceeds 5 standard deviations.

AB - We present a precise measurement of the standard model CP-violation parameter sin2φ 1, the direct CP violation parameter |λ|, the lifetimes of charged and neutral B mesons and their ratio, and the B 0-B̄ 0 mixing parameter Δm d based on a sample of 152 x 10 6 BB̄ pairs collected at the Υ(4S) resonance with the Belle detector at the KEKB asymmetric-energy e +e - collider. One of two B mesons is fully reconstructed in a CP-eigenstate or a flavor-eigenstate decay channel. The flavor of the accompanying B meson is identified from its decay products. From the distributions of the time interval between the two B meson decay points, we obtain sin2φ 1 = 0.728 ± 0.056(stat) ± 0.023(syst), |λ| = 1.007 ± 0.041(stat) ± 0.033(syst), τ B0 = [1.534 ± 0.008(stat) ± 0.010(syst)] ps, τ B+ = [1.635 ± 0.011(stat) ± 0.011(syst)] ps, τ B+/ τ B0 = 1.066 ± 0.008(stat) ± 0.008(syst) and Δm d = [0.511 ± 0.005(stat) ± 0.006(syst) ps -1. The results for sin2φ 1 and |λ| are consistent with the standard model expectations. The significance of the observed deviation from unity in the lifetime ratio exceeds 5 standard deviations.

UR - http://www.scopus.com/inward/record.url?scp=18444393703&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=18444393703&partnerID=8YFLogxK

U2 - 10.1103/PhysRevD.71.072003

DO - 10.1103/PhysRevD.71.072003

M3 - Article

VL - 71

SP - 1

EP - 12

JO - Physical review D: Particles and fields

JF - Physical review D: Particles and fields

SN - 1550-7998

IS - 7

M1 - 072003

ER -