Time-dependent Dalitz plot measurement of CP parameters in B0→KS0π+π- decays

J. Dalseno; I. Adachi; H. Aihara; K. Arinstein; T. Aushev; A. M. Bakich; V. Balagura; A. Bay; V. Bhardwaj; U. Bitenc; A. Bondar; A. Bozek; M. Bračko; T. E. Browder; Y. Chao; A. Chen; B. G. Cheon; I. S. Cho; Y. Choi; M. Dash; A. Drutskoy; S. Eidelman; M. Fujikawa; N. Gabyshev; P. Goldenzweig; B. Golob; H. Ha; B. Y. Han; K. Hara; K. Hayasaka; H. Hayashii; M. Hazumi; D. Heffernan; Y. Horii; Y. Hoshi; W. S. Hou; H. J. Hyun; K. Inami; A. Ishikawa; H. Ishino; R. Itoh; M. Iwasaki; Y. Iwasaki; D. H. Kah; J. H. Kang; N. Katayama; H. Kawai; T. Kawasaki; H. O. Kim; Y. I. Kim; Y. J. Kim; K. Kinoshita; B. R. Ko; P. Krian; P. Krokovny; A. Kuzmin; Y. J. Kwon; S. H. Kyeong; J. S. Lee; S. E. Lee; J. Li; S. W. Lin; C. Liu; R. Louvot; A. Matyja; S. McOnie; K. Miyabayashi; H. Miyata; Y. Miyazaki; R. Mizuk; Y. Nagasaka; Y. Nakahama; E. Nakano; M. Nakao; H. Nakazawa; Z. Natkaniec; S. Nishida; O. Nitoh; S. Ogawa; S. Okuno; H. Ozaki; P. Pakhlov; G. Pakhlova; C. W. Park; H. K. Park; K. S. Park; L. S. Peak; R. Pestotnik; L. E. Piilonen; M. Rozanska; H. Sahoo; Y. Sakai; O. Schneider; C. Schwanda; A. J. Schwartz; A. Sekiya; K. Senyo; M. E. Sevior; M. Shapkin; J. G. Shiu; B. Shwartz; J. B. Singh; A. Sokolov; S. Stanič; M. Starič; K. Sumisawa; T. Sumiyoshi; M. Tanaka; G. N. Taylor; Y. Teramoto; I. Tikhomirov; K. Trabelsi; S. Uehara; T. Uglov; Y. Unno; S. Uno; Y. Usov; G. Varner; K. Vervink; C. H. Wang; P. Wang; X. L. Wang; Y. Watanabe; E. Won; B. D. Yabsley; Y. Yamashita; Z. P. Zhang; V. Zhulanov; T. Zivko; A. Zupanc; O. Zyukova

doi:10.1103/PhysRevD.79.072004

Time-dependent Dalitz plot measurement of CP parameters in B0→KS0π+π- decays

J. Dalseno, I. Adachi, H. Aihara, K. Arinstein, T. Aushev, A. M. Bakich, V. Balagura, A. Bay, V. Bhardwaj, U. Bitenc, A. Bondar, A. Bozek, M. Bračko, T. E. Browder, Y. Chao, A. Chen, B. G. Cheon, I. S. Cho, Y. Choi, M. DashA. Drutskoy, S. Eidelman, M. Fujikawa, N. Gabyshev, P. Goldenzweig, B. Golob, H. Ha, B. Y. Han, K. Hara, K. Hayasaka, H. Hayashii, M. Hazumi, D. Heffernan, Y. Horii, Y. Hoshi, W. S. Hou, H. J. Hyun, K. Inami, A. Ishikawa, H. Ishino, R. Itoh, M. Iwasaki, Y. Iwasaki, D. H. Kah, J. H. Kang, N. Katayama, H. Kawai, T. Kawasaki, H. O. Kim, Y. I. Kim, Y. J. Kim, K. Kinoshita, B. R. Ko, P. Krian, P. Krokovny, A. Kuzmin, Y. J. Kwon, S. H. Kyeong, J. S. Lee, S. E. Lee, J. Li, S. W. Lin, C. Liu, R. Louvot, A. Matyja, S. McOnie, K. Miyabayashi, H. Miyata, Y. Miyazaki, R. Mizuk, Y. Nagasaka, Y. Nakahama, E. Nakano, M. Nakao, H. Nakazawa, Z. Natkaniec, S. Nishida, O. Nitoh, S. Ogawa, S. Okuno, H. Ozaki, P. Pakhlov, G. Pakhlova, C. W. Park, H. K. Park, K. S. Park, L. S. Peak, R. Pestotnik, L. E. Piilonen, M. Rozanska, H. Sahoo, Y. Sakai, O. Schneider, C. Schwanda, A. J. Schwartz, A. Sekiya, K. Senyo, M. E. Sevior, M. Shapkin, J. G. Shiu, B. Shwartz, J. B. Singh, A. Sokolov, S. Stanič, M. Starič, K. Sumisawa, T. Sumiyoshi, M. Tanaka, G. N. Taylor, Y. Teramoto, I. Tikhomirov, K. Trabelsi, S. Uehara, T. Uglov, Y. Unno, S. Uno, Y. Usov, G. Varner, K. Vervink, C. H. Wang, P. Wang, X. L. Wang, Y. Watanabe, E. Won, B. D. Yabsley, Y. Yamashita, Z. P. Zhang, V. Zhulanov, T. Zivko, A. Zupanc, O. Zyukova

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Abstract

We present a time-dependent Dalitz plot measurement of CP violation parameters in B0→KS0π+π- decays. These results are obtained from a large data sample that contains 657×106 BB̄ pairs collected at the Υ(4S) resonance with the Belle detector at the KEKB asymmetric-energy e+e- collider. For the CP violation parameters, we obtain two consistent solutions that describe the data well. The first of these solutions may be preferred by external information from other measurements. There is no evidence for direct CP violation in B0→ρ0(770)KS0, B0→f0(980)KS0 and B0→K*+(892)π-, while measurements of mixing-induced CP violation in B0→ρ0(770)KS0 and B0→f0(980)KS0 decays are consistent with that of b→cc̄s decays. We also measured the phase difference between B0→K*+(892)π- and B̄0→K*-(892)π+, which may be used to extract 3.

Original language	English
Article number	072004
Journal	Physical Review D - Particles, Fields, Gravitation and Cosmology
Volume	79
Issue number	7
DOIs	https://doi.org/10.1103/PhysRevD.79.072004
Publication status	Published - Apr 1 2009
Externally published	Yes

ASJC Scopus subject areas

Nuclear and High Energy Physics
Physics and Astronomy (miscellaneous)

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10.1103/PhysRevD.79.072004

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Dalseno, J., Adachi, I., Aihara, H., Arinstein, K., Aushev, T., Bakich, A. M., Balagura, V., Bay, A., Bhardwaj, V., Bitenc, U., Bondar, A., Bozek, A., Bračko, M., Browder, T. E., Chao, Y., Chen, A., Cheon, B. G., Cho, I. S., Choi, Y., ... Zyukova, O. (2009). Time-dependent Dalitz plot measurement of CP parameters in B0→KS0π+π- decays. Physical Review D - Particles, Fields, Gravitation and Cosmology, 79(7), Article 072004. https://doi.org/10.1103/PhysRevD.79.072004

Dalseno, J, Adachi, I, Aihara, H, Arinstein, K, Aushev, T, Bakich, AM, Balagura, V, Bay, A, Bhardwaj, V, Bitenc, U, Bondar, A, Bozek, A, Bračko, M, Browder, TE, Chao, Y, Chen, A, Cheon, BG, Cho, IS, Choi, Y, Dash, M, Drutskoy, A, Eidelman, S, Fujikawa, M, Gabyshev, N, Goldenzweig, P, Golob, B, Ha, H, Han, BY, Hara, K, Hayasaka, K, Hayashii, H, Hazumi, M, Heffernan, D, Horii, Y, Hoshi, Y, Hou, WS, Hyun, HJ, Inami, K, Ishikawa, A, Ishino, H, Itoh, R, Iwasaki, M, Iwasaki, Y, Kah, DH, Kang, JH, Katayama, N, Kawai, H, Kawasaki, T, Kim, HO, Kim, YI, Kim, YJ, Kinoshita, K, Ko, BR, Krian, P, Krokovny, P, Kuzmin, A, Kwon, YJ, Kyeong, SH, Lee, JS, Lee, SE, Li, J, Lin, SW, Liu, C, Louvot, R, Matyja, A, McOnie, S, Miyabayashi, K, Miyata, H, Miyazaki, Y, Mizuk, R, Nagasaka, Y, Nakahama, Y, Nakano, E, Nakao, M, Nakazawa, H, Natkaniec, Z, Nishida, S, Nitoh, O, Ogawa, S, Okuno, S, Ozaki, H, Pakhlov, P, Pakhlova, G, Park, CW, Park, HK, Park, KS, Peak, LS, Pestotnik, R, Piilonen, LE, Rozanska, M, Sahoo, H, Sakai, Y, Schneider, O, Schwanda, C, Schwartz, AJ, Sekiya, A, Senyo, K, Sevior, ME, Shapkin, M, Shiu, JG, Shwartz, B, Singh, JB, Sokolov, A, Stanič, S, Starič, M, Sumisawa, K, Sumiyoshi, T, Tanaka, M, Taylor, GN, Teramoto, Y, Tikhomirov, I, Trabelsi, K, Uehara, S, Uglov, T, Unno, Y, Uno, S, Usov, Y, Varner, G, Vervink, K, Wang, CH, Wang, P, Wang, XL, Watanabe, Y, Won, E, Yabsley, BD, Yamashita, Y, Zhang, ZP, Zhulanov, V, Zivko, T, Zupanc, A & Zyukova, O 2009, 'Time-dependent Dalitz plot measurement of CP parameters in B0→KS0π+π- decays', Physical Review D - Particles, Fields, Gravitation and Cosmology, vol. 79, no. 7, 072004. https://doi.org/10.1103/PhysRevD.79.072004

@article{f978aaec609146ac882f3b92f46621dd,

title = "Time-dependent Dalitz plot measurement of CP parameters in B0→KS0π+π- decays",

abstract = "We present a time-dependent Dalitz plot measurement of CP violation parameters in B0→KS0π+π- decays. These results are obtained from a large data sample that contains 657×106 B{\=B} pairs collected at the Υ(4S) resonance with the Belle detector at the KEKB asymmetric-energy e+e- collider. For the CP violation parameters, we obtain two consistent solutions that describe the data well. The first of these solutions may be preferred by external information from other measurements. There is no evidence for direct CP violation in B0→ρ0(770)KS0, B0→f0(980)KS0 and B0→K*+(892)π-, while measurements of mixing-induced CP violation in B0→ρ0(770)KS0 and B0→f0(980)KS0 decays are consistent with that of b→c{\=c}s decays. We also measured the phase difference between B0→K*+(892)π- and {\=B}0→K*-(892)π+, which may be used to extract 3.",

author = "J. Dalseno and I. Adachi and H. Aihara and K. Arinstein and T. Aushev and Bakich, {A. M.} and V. Balagura and A. Bay and V. Bhardwaj and U. Bitenc and A. Bondar and A. Bozek and M. Bra{\v c}ko and Browder, {T. E.} and Y. Chao and A. Chen and Cheon, {B. G.} and Cho, {I. S.} and Y. Choi and M. Dash and A. Drutskoy and S. Eidelman and M. Fujikawa and N. Gabyshev and P. Goldenzweig and B. Golob and H. Ha and Han, {B. Y.} and K. Hara and K. Hayasaka and H. Hayashii and M. Hazumi and D. Heffernan and Y. Horii and Y. Hoshi and Hou, {W. S.} and Hyun, {H. J.} and K. Inami and A. Ishikawa and H. Ishino and R. Itoh and M. Iwasaki and Y. Iwasaki and Kah, {D. H.} and Kang, {J. H.} and N. Katayama and H. Kawai and T. Kawasaki and Kim, {H. O.} and Kim, {Y. I.} and Kim, {Y. J.} and K. Kinoshita and Ko, {B. R.} and P. Krian and P. Krokovny and A. Kuzmin and Kwon, {Y. J.} and Kyeong, {S. H.} and Lee, {J. S.} and Lee, {S. E.} and J. Li and Lin, {S. W.} and C. Liu and R. Louvot and A. Matyja and S. McOnie and K. Miyabayashi and H. Miyata and Y. Miyazaki and R. Mizuk and Y. Nagasaka and Y. Nakahama and E. Nakano and M. Nakao and H. Nakazawa and Z. Natkaniec and S. Nishida and O. Nitoh and S. Ogawa and S. Okuno and H. Ozaki and P. Pakhlov and G. Pakhlova and Park, {C. W.} and Park, {H. K.} and Park, {K. S.} and Peak, {L. S.} and R. Pestotnik and Piilonen, {L. E.} and M. Rozanska and H. Sahoo and Y. Sakai and O. Schneider and C. Schwanda and Schwartz, {A. J.} and A. Sekiya and K. Senyo and Sevior, {M. E.} and M. Shapkin and Shiu, {J. G.} and B. Shwartz and Singh, {J. B.} and A. Sokolov and S. Stani{\v c} and M. Stari{\v c} and K. Sumisawa and T. Sumiyoshi and M. Tanaka and Taylor, {G. N.} and Y. Teramoto and I. Tikhomirov and K. Trabelsi and S. Uehara and T. Uglov and Y. Unno and S. Uno and Y. Usov and G. Varner and K. Vervink and Wang, {C. H.} and P. Wang and Wang, {X. L.} and Y. Watanabe and E. Won and Yabsley, {B. D.} and Y. Yamashita and Zhang, {Z. P.} and V. Zhulanov and T. Zivko and A. Zupanc and O. Zyukova",

year = "2009",

month = apr,

day = "1",

doi = "10.1103/PhysRevD.79.072004",

language = "English",

volume = "79",

journal = "Physical Review D - Particles, Fields, Gravitation and Cosmology",

issn = "1550-7998",

number = "7",

}

TY - JOUR

T1 - Time-dependent Dalitz plot measurement of CP parameters in B0→KS0π+π- decays

AU - Dalseno, J.

AU - Adachi, I.

AU - Aihara, H.

AU - Arinstein, K.

AU - Aushev, T.

AU - Bakich, A. M.

AU - Balagura, V.

AU - Bay, A.

AU - Bhardwaj, V.

AU - Bitenc, U.

AU - Bondar, A.

AU - Bozek, A.

AU - Bračko, M.

AU - Browder, T. E.

AU - Chao, Y.

AU - Chen, A.

AU - Cheon, B. G.

AU - Cho, I. S.

AU - Choi, Y.

AU - Dash, M.

AU - Drutskoy, A.

AU - Eidelman, S.

AU - Fujikawa, M.

AU - Gabyshev, N.

AU - Goldenzweig, P.

AU - Golob, B.

AU - Ha, H.

AU - Han, B. Y.

AU - Hara, K.

AU - Hayasaka, K.

AU - Hayashii, H.

AU - Hazumi, M.

AU - Heffernan, D.

AU - Horii, Y.

AU - Hoshi, Y.

AU - Hou, W. S.

AU - Hyun, H. J.

AU - Inami, K.

AU - Ishikawa, A.

AU - Ishino, H.

AU - Itoh, R.

AU - Iwasaki, M.

AU - Iwasaki, Y.

AU - Kah, D. H.

AU - Kang, J. H.

AU - Katayama, N.

AU - Kawai, H.

AU - Kawasaki, T.

AU - Kim, H. O.

AU - Kim, Y. I.

AU - Kim, Y. J.

AU - Kinoshita, K.

AU - Ko, B. R.

AU - Krian, P.

AU - Krokovny, P.

AU - Kuzmin, A.

AU - Kwon, Y. J.

AU - Kyeong, S. H.

AU - Lee, J. S.

AU - Lee, S. E.

AU - Li, J.

AU - Lin, S. W.

AU - Liu, C.

AU - Louvot, R.

AU - Matyja, A.

AU - McOnie, S.

AU - Miyabayashi, K.

AU - Miyata, H.

AU - Miyazaki, Y.

AU - Mizuk, R.

AU - Nagasaka, Y.

AU - Nakahama, Y.

AU - Nakano, E.

AU - Nakao, M.

AU - Nakazawa, H.

AU - Natkaniec, Z.

AU - Nishida, S.

AU - Nitoh, O.

AU - Ogawa, S.

AU - Okuno, S.

AU - Ozaki, H.

AU - Pakhlov, P.

AU - Pakhlova, G.

AU - Park, C. W.

AU - Park, H. K.

AU - Park, K. S.

AU - Peak, L. S.

AU - Pestotnik, R.

AU - Piilonen, L. E.

AU - Rozanska, M.

AU - Sahoo, H.

AU - Sakai, Y.

AU - Schneider, O.

AU - Schwanda, C.

AU - Schwartz, A. J.

AU - Sekiya, A.

AU - Senyo, K.

AU - Sevior, M. E.

AU - Shapkin, M.

AU - Shiu, J. G.

AU - Shwartz, B.

AU - Singh, J. B.

AU - Sokolov, A.

AU - Stanič, S.

AU - Starič, M.

AU - Sumisawa, K.

AU - Sumiyoshi, T.

AU - Tanaka, M.

AU - Taylor, G. N.

AU - Teramoto, Y.

AU - Tikhomirov, I.

AU - Trabelsi, K.

AU - Uehara, S.

AU - Uglov, T.

AU - Unno, Y.

AU - Uno, S.

AU - Usov, Y.

AU - Varner, G.

AU - Vervink, K.

AU - Wang, C. H.

AU - Wang, P.

AU - Wang, X. L.

AU - Watanabe, Y.

AU - Won, E.

AU - Yabsley, B. D.

AU - Yamashita, Y.

AU - Zhang, Z. P.

AU - Zhulanov, V.

AU - Zivko, T.

AU - Zupanc, A.

AU - Zyukova, O.

PY - 2009/4/1

Y1 - 2009/4/1

N2 - We present a time-dependent Dalitz plot measurement of CP violation parameters in B0→KS0π+π- decays. These results are obtained from a large data sample that contains 657×106 BB̄ pairs collected at the Υ(4S) resonance with the Belle detector at the KEKB asymmetric-energy e+e- collider. For the CP violation parameters, we obtain two consistent solutions that describe the data well. The first of these solutions may be preferred by external information from other measurements. There is no evidence for direct CP violation in B0→ρ0(770)KS0, B0→f0(980)KS0 and B0→K*+(892)π-, while measurements of mixing-induced CP violation in B0→ρ0(770)KS0 and B0→f0(980)KS0 decays are consistent with that of b→cc̄s decays. We also measured the phase difference between B0→K*+(892)π- and B̄0→K*-(892)π+, which may be used to extract 3.

AB - We present a time-dependent Dalitz plot measurement of CP violation parameters in B0→KS0π+π- decays. These results are obtained from a large data sample that contains 657×106 BB̄ pairs collected at the Υ(4S) resonance with the Belle detector at the KEKB asymmetric-energy e+e- collider. For the CP violation parameters, we obtain two consistent solutions that describe the data well. The first of these solutions may be preferred by external information from other measurements. There is no evidence for direct CP violation in B0→ρ0(770)KS0, B0→f0(980)KS0 and B0→K*+(892)π-, while measurements of mixing-induced CP violation in B0→ρ0(770)KS0 and B0→f0(980)KS0 decays are consistent with that of b→cc̄s decays. We also measured the phase difference between B0→K*+(892)π- and B̄0→K*-(892)π+, which may be used to extract 3.

UR - http://www.scopus.com/inward/record.url?scp=65849309380&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=65849309380&partnerID=8YFLogxK

U2 - 10.1103/PhysRevD.79.072004

DO - 10.1103/PhysRevD.79.072004

M3 - Article

AN - SCOPUS:65849309380

SN - 1550-7998

VL - 79

JO - Physical Review D - Particles, Fields, Gravitation and Cosmology

JF - Physical Review D - Particles, Fields, Gravitation and Cosmology

IS - 7

M1 - 072004

ER -

Time-dependent Dalitz plot measurement of CP parameters in B0→KS0π+π- decays

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