Observation of mixing-induced CP violation in the neutral B meson system

K. Abe, K. Abe, R. Abe, T. Abe, I. Adachi, Byoung Sup Ahn, H. Aihara, M. Akatsu, Y. Asano, T. Aso, T. Aushev, A. M. Bakich, Y. Ban, E. Banas, S. Behari, P. K. Behera, A. Bondar, A. Bozek, M. Bračko, T. E. Browder & 210 others B. C.K. Casey, P. Chang, Y. Chao, B. G. Cheon, R. Chistov, S. Choi, Y. Choi, L. Y. Dong, J. Dragic, A. Drutskoy, S. Eidelman, V. Eiges, Y. Enari, C. W. Everton, F. Fang, C. Fukunaga, M. Fukushima, N. Gabyshev, A. Garmash, T. Gershon, B. Golob, A. Gordon, H. Guler, R. Guo, J. Haba, H. Hamasaki, K. Hanagaki, F. Handa, K. Hara, T. Hara, N. C. Hastings, H. Hayashii, M. Hazumi, E. M. Heenan, I. Higuchi, T. Higuchi, T. Hojo, T. Hokuue, Y. Hoshi, S. R. Hou, W. Hou, S. Hsu, H. Huang, T. Igaki, T. Iijima, H. Ikeda, K. Inami, A. Ishikawa, H. Ishino, R. Itoh, H. Iwasaki, Y. Iwasaki, D. J. Jackson, H. K. Jang, H. Kakuno, J. H. Kang, J. S. Kang, P. Kapusta, N. Katayama, H. Kawai, H. Kawai, Y. Kawakami, N. Kawamura, T. Kawasaki, H. Kichimi, D. W. Kim, Heejong Kim, H. J. Kim, H. O. Kim, Hyunwoo Kim, S. K. Kim, T. H. Kim, K. Kinoshita, H. Konishi, S. Korpar, P. Križan, P. Krokovny, R. Kulasiri, S. Kumar, A. Kuzmin, Y. Kwon, J. S. Lange, G. Leder, S. H. Lee, A. Limosani, D. Liventsev, R. Lu, J. MacNaughton, G. Majumder, F. Mandl, D. Marlow, T. Matsuishi, S. Matsumoto, T. Matsumoto, Y. Mikami, W. Mitaroff, K. Miyabayashi, Y. Miyabayashi, H. Miyake, H. Miyata, G. R. Moloney, S. Mori, T. Mori, A. Murakami, T. Nagamine, Y. Nagasaka, Y. Nagashima, T. Nakadaira, E. Nakano, M. Nakao, J. W. Nam, Z. Natkaniec, K. Neichi, S. Nishida, O. Nitoh, S. Noguchi, T. Nozaki, S. Ogawa, T. Ohshima, T. Okabe, S. Okuno, S. L. Olsen, W. Ostrowicz, H. Ozaki, P. Pakhlov, H. Palka, C. S. Park, C. W. Park, H. Park, K. S. Park, L. S. Peak, J. Perroud, M. Peters, L. E. Piilonen, E. Prebys, J. L. Rodriguez, F. Ronga, M. Rozanska, K. Rybicki, H. Sagawa, Y. Sakai, M. Satapathy, A. Satpathy, O. Schneider, S. Schrenk, C. Schwanda, S. Semenov, K. Senyo, M. E. Sevior, H. Shibuya, B. Shwartz, V. Sidorov, J. B. Singh, S. Stanič, A. Sugi, A. Sugiyama, K. Sumisawa, T. Sumiyoshi, K. Suzuki, S. Suzuki, S. Y. Suzuki, H. Tajima, T. Takahashi, F. Takasaki, M. Takita, K. Tamai, N. Tamura, J. Tanaka, M. Tanaka, G. N. Taylor, Y. Teramoto, S. Tokuda, M. Tomoto, T. Tomura, S. N. Tovey, K. Trabelsi, W. Trischuk, T. Tsuboyama, T. Tsukamoto, S. Uehara, K. Ueno, Y. Unno, S. Uno, Y. Ushiroda, S. E. Vahsen, K. E. Varvell, C. C. Wang, C. H. Wang, J. G. Wang, M. Wang, Y. Watanabe, Eunil Won, B. D. Yabsley, Y. Yamada, M. Yamaga, A. Yamaguchi, H. Yamamoto, T. Yamanaka, Y. Yamashita, M. Yamauchi, J. Yashima, M. Yokoyama, Y. Yuan, Y. Yusa, H. Yuta, C. C. Zhang, J. Zhang, Y. Zheng, V. Zhilich, D. Žontar

Research output: Contribution to journalArticle

70 Citations (Scopus)

Abstract

This article describes an observation of mixing-induced [Formula Presented] violation and a measurement of the [Formula Presented] violation parameter, [Formula Presented] with the Belle detector at the KEKB asymmetric [Formula Presented] collider. Using a data sample of [Formula Presented] recorded on the [Formula Presented] resonance that contains 31.3 million [Formula Presented] pairs, we reconstruct decays of neutral B mesons to the following [Formula Presented] eigenstates: [Formula Presented] [Formula Presented] [Formula Presented] [Formula Presented] [Formula Presented] and [Formula Presented] The flavor of the accompanying B meson is identified by combining information from primary and secondary leptons, [Formula Presented] mesons, [Formula Presented] baryons, slow and fast pions. The proper-time interval between the two B meson decays is determined from the distance between the two decay vertices measured with a silicon vertex detector. The result [Formula Presented] is obtained by applying a maximum likelihood fit to the 1137 candidate events. We conclude that there is large [Formula Presented] violation in the neutral B meson system. A zero value for [Formula Presented] is ruled out by more than six standard deviations.

Original languageEnglish
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume66
Issue number3
DOIs
Publication statusPublished - 2002 Jan 1
Externally publishedYes

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CP violation
mesons

ASJC Scopus subject areas

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

Cite this

Observation of mixing-induced CP violation in the neutral B meson system. / Abe, K.; Abe, K.; Abe, R.; Abe, T.; Adachi, I.; Ahn, Byoung Sup; Aihara, H.; Akatsu, M.; Asano, Y.; Aso, T.; Aushev, T.; Bakich, A. M.; Ban, Y.; Banas, E.; Behari, S.; Behera, P. K.; Bondar, A.; Bozek, A.; Bračko, M.; Browder, T. E.; Casey, B. C.K.; Chang, P.; Chao, Y.; Cheon, B. G.; Chistov, R.; Choi, S.; Choi, Y.; Dong, L. Y.; Dragic, J.; Drutskoy, A.; Eidelman, S.; Eiges, V.; Enari, Y.; Everton, C. W.; Fang, F.; Fukunaga, C.; Fukushima, M.; Gabyshev, N.; Garmash, A.; Gershon, T.; Golob, B.; Gordon, A.; Guler, H.; Guo, R.; Haba, J.; Hamasaki, H.; Hanagaki, K.; Handa, F.; Hara, K.; Hara, T.; Hastings, N. C.; Hayashii, H.; Hazumi, M.; Heenan, E. M.; Higuchi, I.; Higuchi, T.; Hojo, T.; Hokuue, T.; Hoshi, Y.; Hou, S. R.; Hou, W.; Hsu, S.; Huang, H.; Igaki, T.; Iijima, T.; Ikeda, H.; Inami, K.; Ishikawa, A.; Ishino, H.; Itoh, R.; Iwasaki, H.; Iwasaki, Y.; Jackson, D. J.; Jang, H. K.; Kakuno, H.; Kang, J. H.; Kang, J. S.; Kapusta, P.; Katayama, N.; Kawai, H.; Kawai, H.; Kawakami, Y.; Kawamura, N.; Kawasaki, T.; Kichimi, H.; Kim, D. W.; Kim, Heejong; Kim, H. J.; Kim, H. O.; Kim, Hyunwoo; Kim, S. K.; Kim, T. H.; Kinoshita, K.; Konishi, H.; Korpar, S.; Križan, P.; Krokovny, P.; Kulasiri, R.; Kumar, S.; Kuzmin, A.; Kwon, Y.; Lange, J. S.; Leder, G.; Lee, S. H.; Limosani, A.; Liventsev, D.; Lu, R.; MacNaughton, J.; Majumder, G.; Mandl, F.; Marlow, D.; Matsuishi, T.; Matsumoto, S.; Matsumoto, T.; Mikami, Y.; Mitaroff, W.; Miyabayashi, K.; Miyabayashi, Y.; Miyake, H.; Miyata, H.; Moloney, G. R.; Mori, S.; Mori, T.; Murakami, A.; Nagamine, T.; Nagasaka, Y.; Nagashima, Y.; Nakadaira, T.; Nakano, E.; Nakao, M.; Nam, J. W.; Natkaniec, Z.; Neichi, K.; Nishida, S.; Nitoh, O.; Noguchi, S.; Nozaki, T.; Ogawa, S.; Ohshima, T.; Okabe, T.; Okuno, S.; Olsen, S. L.; Ostrowicz, W.; Ozaki, H.; Pakhlov, P.; Palka, H.; Park, C. S.; Park, C. W.; Park, H.; Park, K. S.; Peak, L. S.; Perroud, J.; Peters, M.; Piilonen, L. E.; Prebys, E.; Rodriguez, J. L.; Ronga, F.; Rozanska, M.; Rybicki, K.; Sagawa, H.; Sakai, Y.; Satapathy, M.; Satpathy, A.; Schneider, O.; Schrenk, S.; Schwanda, C.; Semenov, S.; Senyo, K.; Sevior, M. E.; Shibuya, H.; Shwartz, B.; Sidorov, V.; Singh, J. B.; Stanič, S.; Sugi, A.; Sugiyama, A.; Sumisawa, K.; Sumiyoshi, T.; Suzuki, K.; Suzuki, S.; Suzuki, S. Y.; Tajima, H.; Takahashi, T.; Takasaki, F.; Takita, M.; Tamai, K.; Tamura, N.; Tanaka, J.; Tanaka, M.; Taylor, G. N.; Teramoto, Y.; Tokuda, S.; Tomoto, M.; Tomura, T.; Tovey, S. N.; Trabelsi, K.; Trischuk, W.; Tsuboyama, T.; Tsukamoto, T.; Uehara, S.; Ueno, K.; Unno, Y.; Uno, S.; Ushiroda, Y.; Vahsen, S. E.; Varvell, K. E.; Wang, C. C.; Wang, C. H.; Wang, J. G.; Wang, M.; Watanabe, Y.; Won, Eunil; Yabsley, B. D.; Yamada, Y.; Yamaga, M.; Yamaguchi, A.; Yamamoto, H.; Yamanaka, T.; Yamashita, Y.; Yamauchi, M.; Yashima, J.; Yokoyama, M.; Yuan, Y.; Yusa, Y.; Yuta, H.; Zhang, C. C.; Zhang, J.; Zheng, Y.; Zhilich, V.; Žontar, D.

In: Physical Review D - Particles, Fields, Gravitation and Cosmology, Vol. 66, No. 3, 01.01.2002.

Research output: Contribution to journalArticle

Abe, K, Abe, K, Abe, R, Abe, T, Adachi, I, Ahn, BS, Aihara, H, Akatsu, M, Asano, Y, Aso, T, Aushev, T, Bakich, AM, Ban, Y, Banas, E, Behari, S, Behera, PK, Bondar, A, Bozek, A, Bračko, M, Browder, TE, Casey, BCK, Chang, P, Chao, Y, Cheon, BG, Chistov, R, Choi, S, Choi, Y, Dong, LY, Dragic, J, Drutskoy, A, Eidelman, S, Eiges, V, Enari, Y, Everton, CW, Fang, F, Fukunaga, C, Fukushima, M, Gabyshev, N, Garmash, A, Gershon, T, Golob, B, Gordon, A, Guler, H, Guo, R, Haba, J, Hamasaki, H, Hanagaki, K, Handa, F, Hara, K, Hara, T, Hastings, NC, Hayashii, H, Hazumi, M, Heenan, EM, Higuchi, I, Higuchi, T, Hojo, T, Hokuue, T, Hoshi, Y, Hou, SR, Hou, W, Hsu, S, Huang, H, Igaki, T, Iijima, T, Ikeda, H, Inami, K, Ishikawa, A, Ishino, H, Itoh, R, Iwasaki, H, Iwasaki, Y, Jackson, DJ, Jang, HK, Kakuno, H, Kang, JH, Kang, JS, Kapusta, P, Katayama, N, Kawai, H, Kawai, H, Kawakami, Y, Kawamura, N, Kawasaki, T, Kichimi, H, Kim, DW, Kim, H, Kim, HJ, Kim, HO, Kim, H, Kim, SK, Kim, TH, Kinoshita, K, Konishi, H, Korpar, S, Križan, P, Krokovny, P, Kulasiri, R, Kumar, S, Kuzmin, A, Kwon, Y, Lange, JS, Leder, G, Lee, SH, Limosani, A, Liventsev, D, Lu, R, MacNaughton, J, Majumder, G, Mandl, F, Marlow, D, Matsuishi, T, Matsumoto, S, Matsumoto, T, Mikami, Y, Mitaroff, W, Miyabayashi, K, Miyabayashi, Y, Miyake, H, Miyata, H, Moloney, GR, Mori, S, Mori, T, Murakami, A, Nagamine, T, Nagasaka, Y, Nagashima, Y, Nakadaira, T, Nakano, E, Nakao, M, Nam, JW, Natkaniec, Z, Neichi, K, Nishida, S, Nitoh, O, Noguchi, S, Nozaki, T, Ogawa, S, Ohshima, T, Okabe, T, Okuno, S, Olsen, SL, Ostrowicz, W, Ozaki, H, Pakhlov, P, Palka, H, Park, CS, Park, CW, Park, H, Park, KS, Peak, LS, Perroud, J, Peters, M, Piilonen, LE, Prebys, E, Rodriguez, JL, Ronga, F, Rozanska, M, Rybicki, K, Sagawa, H, Sakai, Y, Satapathy, M, Satpathy, A, Schneider, O, Schrenk, S, Schwanda, C, Semenov, S, Senyo, K, Sevior, ME, Shibuya, H, Shwartz, B, Sidorov, V, Singh, JB, Stanič, S, Sugi, A, Sugiyama, A, Sumisawa, K, Sumiyoshi, T, Suzuki, K, Suzuki, S, Suzuki, SY, Tajima, H, Takahashi, T, Takasaki, F, Takita, M, Tamai, K, Tamura, N, Tanaka, J, Tanaka, M, Taylor, GN, Teramoto, Y, Tokuda, S, Tomoto, M, Tomura, T, Tovey, SN, Trabelsi, K, Trischuk, W, Tsuboyama, T, Tsukamoto, T, Uehara, S, Ueno, K, Unno, Y, Uno, S, Ushiroda, Y, Vahsen, SE, Varvell, KE, Wang, CC, Wang, CH, Wang, JG, Wang, M, Watanabe, Y, Won, E, Yabsley, BD, Yamada, Y, Yamaga, M, Yamaguchi, A, Yamamoto, H, Yamanaka, T, Yamashita, Y, Yamauchi, M, Yashima, J, Yokoyama, M, Yuan, Y, Yusa, Y, Yuta, H, Zhang, CC, Zhang, J, Zheng, Y, Zhilich, V & Žontar, D 2002, 'Observation of mixing-induced CP violation in the neutral B meson system', Physical Review D - Particles, Fields, Gravitation and Cosmology, vol. 66, no. 3. https://doi.org/10.1103/PhysRevD.66.032007
Abe, K. ; Abe, K. ; Abe, R. ; Abe, T. ; Adachi, I. ; Ahn, Byoung Sup ; Aihara, H. ; Akatsu, M. ; Asano, Y. ; Aso, T. ; Aushev, T. ; Bakich, A. M. ; Ban, Y. ; Banas, E. ; Behari, S. ; Behera, P. K. ; Bondar, A. ; Bozek, A. ; Bračko, M. ; Browder, T. E. ; Casey, B. C.K. ; Chang, P. ; Chao, Y. ; Cheon, B. G. ; Chistov, R. ; Choi, S. ; Choi, Y. ; Dong, L. Y. ; Dragic, J. ; Drutskoy, A. ; Eidelman, S. ; Eiges, V. ; Enari, Y. ; Everton, C. W. ; Fang, F. ; Fukunaga, C. ; Fukushima, M. ; Gabyshev, N. ; Garmash, A. ; Gershon, T. ; Golob, B. ; Gordon, A. ; Guler, H. ; Guo, R. ; Haba, J. ; Hamasaki, H. ; Hanagaki, K. ; Handa, F. ; Hara, K. ; Hara, T. ; Hastings, N. C. ; Hayashii, H. ; Hazumi, M. ; Heenan, E. M. ; Higuchi, I. ; Higuchi, T. ; Hojo, T. ; Hokuue, T. ; Hoshi, Y. ; Hou, S. R. ; Hou, W. ; Hsu, S. ; Huang, H. ; Igaki, T. ; Iijima, T. ; Ikeda, H. ; Inami, K. ; Ishikawa, A. ; Ishino, H. ; Itoh, R. ; Iwasaki, H. ; Iwasaki, Y. ; Jackson, D. J. ; Jang, H. K. ; Kakuno, H. ; Kang, J. H. ; Kang, J. S. ; Kapusta, P. ; Katayama, N. ; Kawai, H. ; Kawai, H. ; Kawakami, Y. ; Kawamura, N. ; Kawasaki, T. ; Kichimi, H. ; Kim, D. W. ; Kim, Heejong ; Kim, H. J. ; Kim, H. O. ; Kim, Hyunwoo ; Kim, S. K. ; Kim, T. H. ; Kinoshita, K. ; Konishi, H. ; Korpar, S. ; Križan, P. ; Krokovny, P. ; Kulasiri, R. ; Kumar, S. ; Kuzmin, A. ; Kwon, Y. ; Lange, J. S. ; Leder, G. ; Lee, S. H. ; Limosani, A. ; Liventsev, D. ; Lu, R. ; MacNaughton, J. ; Majumder, G. ; Mandl, F. ; Marlow, D. ; Matsuishi, T. ; Matsumoto, S. ; Matsumoto, T. ; Mikami, Y. ; Mitaroff, W. ; Miyabayashi, K. ; Miyabayashi, Y. ; Miyake, H. ; Miyata, H. ; Moloney, G. R. ; Mori, S. ; Mori, T. ; Murakami, A. ; Nagamine, T. ; Nagasaka, Y. ; Nagashima, Y. ; Nakadaira, T. ; Nakano, E. ; Nakao, M. ; Nam, J. W. ; Natkaniec, Z. ; Neichi, K. ; Nishida, S. ; Nitoh, O. ; Noguchi, S. ; Nozaki, T. ; Ogawa, S. ; Ohshima, T. ; Okabe, T. ; Okuno, S. ; Olsen, S. L. ; Ostrowicz, W. ; Ozaki, H. ; Pakhlov, P. ; Palka, H. ; Park, C. S. ; Park, C. W. ; Park, H. ; Park, K. S. ; Peak, L. S. ; Perroud, J. ; Peters, M. ; Piilonen, L. E. ; Prebys, E. ; Rodriguez, J. L. ; Ronga, F. ; Rozanska, M. ; Rybicki, K. ; Sagawa, H. ; Sakai, Y. ; Satapathy, M. ; Satpathy, A. ; Schneider, O. ; Schrenk, S. ; Schwanda, C. ; Semenov, S. ; Senyo, K. ; Sevior, M. E. ; Shibuya, H. ; Shwartz, B. ; Sidorov, V. ; Singh, J. B. ; Stanič, S. ; Sugi, A. ; Sugiyama, A. ; Sumisawa, K. ; Sumiyoshi, T. ; Suzuki, K. ; Suzuki, S. ; Suzuki, S. Y. ; Tajima, H. ; Takahashi, T. ; Takasaki, F. ; Takita, M. ; Tamai, K. ; Tamura, N. ; Tanaka, J. ; Tanaka, M. ; Taylor, G. N. ; Teramoto, Y. ; Tokuda, S. ; Tomoto, M. ; Tomura, T. ; Tovey, S. N. ; Trabelsi, K. ; Trischuk, W. ; Tsuboyama, T. ; Tsukamoto, T. ; Uehara, S. ; Ueno, K. ; Unno, Y. ; Uno, S. ; Ushiroda, Y. ; Vahsen, S. E. ; Varvell, K. E. ; Wang, C. C. ; Wang, C. H. ; Wang, J. G. ; Wang, M. ; Watanabe, Y. ; Won, Eunil ; Yabsley, B. D. ; Yamada, Y. ; Yamaga, M. ; Yamaguchi, A. ; Yamamoto, H. ; Yamanaka, T. ; Yamashita, Y. ; Yamauchi, M. ; Yashima, J. ; Yokoyama, M. ; Yuan, Y. ; Yusa, Y. ; Yuta, H. ; Zhang, C. C. ; Zhang, J. ; Zheng, Y. ; Zhilich, V. ; Žontar, D. / Observation of mixing-induced CP violation in the neutral B meson system. In: Physical Review D - Particles, Fields, Gravitation and Cosmology. 2002 ; Vol. 66, No. 3.
@article{0541364fc0b1479e82e4c091f037a1c1,
title = "Observation of mixing-induced CP violation in the neutral B meson system",
abstract = "This article describes an observation of mixing-induced [Formula Presented] violation and a measurement of the [Formula Presented] violation parameter, [Formula Presented] with the Belle detector at the KEKB asymmetric [Formula Presented] collider. Using a data sample of [Formula Presented] recorded on the [Formula Presented] resonance that contains 31.3 million [Formula Presented] pairs, we reconstruct decays of neutral B mesons to the following [Formula Presented] eigenstates: [Formula Presented] [Formula Presented] [Formula Presented] [Formula Presented] [Formula Presented] and [Formula Presented] The flavor of the accompanying B meson is identified by combining information from primary and secondary leptons, [Formula Presented] mesons, [Formula Presented] baryons, slow and fast pions. The proper-time interval between the two B meson decays is determined from the distance between the two decay vertices measured with a silicon vertex detector. The result [Formula Presented] is obtained by applying a maximum likelihood fit to the 1137 candidate events. We conclude that there is large [Formula Presented] violation in the neutral B meson system. A zero value for [Formula Presented] is ruled out by more than six standard deviations.",
author = "K. Abe and K. Abe and R. Abe and T. Abe and I. Adachi and Ahn, {Byoung Sup} and H. Aihara and M. Akatsu and Y. Asano and T. Aso and T. Aushev and Bakich, {A. M.} and Y. Ban and E. Banas and S. Behari and Behera, {P. K.} and A. Bondar and A. Bozek and M. Bračko and Browder, {T. E.} and Casey, {B. C.K.} and P. Chang and Y. Chao and Cheon, {B. G.} and R. Chistov and S. Choi and Y. Choi and Dong, {L. Y.} and J. Dragic and A. Drutskoy and S. Eidelman and V. Eiges and Y. Enari and Everton, {C. W.} and F. Fang and C. Fukunaga and M. Fukushima and N. Gabyshev and A. Garmash and T. Gershon and B. Golob and A. Gordon and H. Guler and R. Guo and J. Haba and H. Hamasaki and K. Hanagaki and F. Handa and K. Hara and T. Hara and Hastings, {N. C.} and H. Hayashii and M. Hazumi and Heenan, {E. M.} and I. Higuchi and T. Higuchi and T. Hojo and T. Hokuue and Y. Hoshi and Hou, {S. R.} and W. Hou and S. Hsu and H. Huang and T. Igaki and T. Iijima and H. Ikeda and K. Inami and A. Ishikawa and H. Ishino and R. Itoh and H. Iwasaki and Y. Iwasaki and Jackson, {D. J.} and Jang, {H. K.} and H. Kakuno and Kang, {J. H.} and Kang, {J. S.} and P. Kapusta and N. Katayama and H. Kawai and H. Kawai and Y. Kawakami and N. Kawamura and T. Kawasaki and H. Kichimi and Kim, {D. W.} and Heejong Kim and Kim, {H. J.} and Kim, {H. O.} and Hyunwoo Kim and Kim, {S. K.} and Kim, {T. H.} and K. Kinoshita and H. Konishi and S. Korpar and P. Križan and P. Krokovny and R. Kulasiri and S. Kumar and A. Kuzmin and Y. Kwon and Lange, {J. S.} and G. Leder and Lee, {S. H.} and A. Limosani and D. Liventsev and R. Lu and J. MacNaughton and G. Majumder and F. Mandl and D. Marlow and T. Matsuishi and S. Matsumoto and T. Matsumoto and Y. Mikami and W. Mitaroff and K. Miyabayashi and Y. Miyabayashi and H. Miyake and H. Miyata and Moloney, {G. R.} and S. Mori and T. Mori and A. Murakami and T. Nagamine and Y. Nagasaka and Y. Nagashima and T. Nakadaira and E. Nakano and M. Nakao and Nam, {J. W.} and Z. Natkaniec and K. Neichi 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 W. Ostrowicz and H. Ozaki and P. Pakhlov and H. Palka and Park, {C. S.} and Park, {C. W.} and H. Park and Park, {K. S.} and Peak, {L. S.} and J. Perroud and M. Peters and Piilonen, {L. E.} and E. Prebys and Rodriguez, {J. L.} and F. Ronga and M. Rozanska and K. Rybicki and H. Sagawa and Y. Sakai and M. Satapathy and A. Satpathy and O. Schneider and S. Schrenk and C. Schwanda and S. Semenov and K. Senyo and Sevior, {M. E.} and H. Shibuya and B. Shwartz and V. Sidorov and Singh, {J. B.} and S. Stanič and A. Sugi and A. Sugiyama and K. Sumisawa and T. Sumiyoshi and K. Suzuki and S. Suzuki and Suzuki, {S. Y.} and H. Tajima and T. Takahashi and F. Takasaki and M. Takita and K. Tamai and N. Tamura and J. Tanaka and M. Tanaka and Taylor, {G. N.} and Y. Teramoto and S. Tokuda and M. Tomoto and T. Tomura and Tovey, {S. N.} and K. Trabelsi and W. Trischuk and T. Tsuboyama and T. Tsukamoto and S. Uehara and K. Ueno and Y. Unno and S. Uno and Y. Ushiroda and Vahsen, {S. E.} and Varvell, {K. E.} and Wang, {C. C.} and Wang, {C. H.} and Wang, {J. G.} and M. Wang and Y. Watanabe and Eunil Won and Yabsley, {B. D.} and Y. Yamada and M. Yamaga and A. Yamaguchi and H. Yamamoto and T. Yamanaka and Y. Yamashita and M. Yamauchi and J. Yashima and M. Yokoyama and Y. Yuan and Y. Yusa and H. Yuta and Zhang, {C. C.} and J. Zhang and Y. Zheng and V. Zhilich and D. Žontar",
year = "2002",
month = "1",
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doi = "10.1103/PhysRevD.66.032007",
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TY - JOUR

T1 - Observation of mixing-induced CP violation in the neutral B meson system

AU - Abe, K.

AU - Abe, K.

AU - Abe, R.

AU - Abe, T.

AU - Adachi, I.

AU - Ahn, Byoung Sup

AU - Aihara, H.

AU - Akatsu, M.

AU - Asano, Y.

AU - Aso, T.

AU - Aushev, T.

AU - Bakich, A. M.

AU - Ban, Y.

AU - Banas, E.

AU - Behari, S.

AU - Behera, P. K.

AU - Bondar, A.

AU - Bozek, A.

AU - Bračko, M.

AU - Browder, T. E.

AU - Casey, B. C.K.

AU - Chang, P.

AU - Chao, Y.

AU - Cheon, B. G.

AU - Chistov, R.

AU - Choi, S.

AU - Choi, Y.

AU - Dong, L. Y.

AU - Dragic, J.

AU - Drutskoy, A.

AU - Eidelman, S.

AU - Eiges, V.

AU - Enari, Y.

AU - Everton, C. W.

AU - Fang, F.

AU - Fukunaga, C.

AU - Fukushima, M.

AU - Gabyshev, N.

AU - Garmash, A.

AU - Gershon, T.

AU - Golob, B.

AU - Gordon, A.

AU - Guler, H.

AU - Guo, R.

AU - Haba, J.

AU - Hamasaki, H.

AU - Hanagaki, K.

AU - Handa, F.

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PY - 2002/1/1

Y1 - 2002/1/1

N2 - This article describes an observation of mixing-induced [Formula Presented] violation and a measurement of the [Formula Presented] violation parameter, [Formula Presented] with the Belle detector at the KEKB asymmetric [Formula Presented] collider. Using a data sample of [Formula Presented] recorded on the [Formula Presented] resonance that contains 31.3 million [Formula Presented] pairs, we reconstruct decays of neutral B mesons to the following [Formula Presented] eigenstates: [Formula Presented] [Formula Presented] [Formula Presented] [Formula Presented] [Formula Presented] and [Formula Presented] The flavor of the accompanying B meson is identified by combining information from primary and secondary leptons, [Formula Presented] mesons, [Formula Presented] baryons, slow and fast pions. The proper-time interval between the two B meson decays is determined from the distance between the two decay vertices measured with a silicon vertex detector. The result [Formula Presented] is obtained by applying a maximum likelihood fit to the 1137 candidate events. We conclude that there is large [Formula Presented] violation in the neutral B meson system. A zero value for [Formula Presented] is ruled out by more than six standard deviations.

AB - This article describes an observation of mixing-induced [Formula Presented] violation and a measurement of the [Formula Presented] violation parameter, [Formula Presented] with the Belle detector at the KEKB asymmetric [Formula Presented] collider. Using a data sample of [Formula Presented] recorded on the [Formula Presented] resonance that contains 31.3 million [Formula Presented] pairs, we reconstruct decays of neutral B mesons to the following [Formula Presented] eigenstates: [Formula Presented] [Formula Presented] [Formula Presented] [Formula Presented] [Formula Presented] and [Formula Presented] The flavor of the accompanying B meson is identified by combining information from primary and secondary leptons, [Formula Presented] mesons, [Formula Presented] baryons, slow and fast pions. The proper-time interval between the two B meson decays is determined from the distance between the two decay vertices measured with a silicon vertex detector. The result [Formula Presented] is obtained by applying a maximum likelihood fit to the 1137 candidate events. We conclude that there is large [Formula Presented] violation in the neutral B meson system. A zero value for [Formula Presented] is ruled out by more than six standard deviations.

UR - http://www.scopus.com/inward/record.url?scp=3242889101&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=3242889101&partnerID=8YFLogxK

U2 - 10.1103/PhysRevD.66.032007

DO - 10.1103/PhysRevD.66.032007

M3 - Article

VL - 66

JO - Physical review D: Particles and fields

JF - Physical review D: Particles and fields

SN - 0556-2821

IS - 3

ER -