Evidence for D0-D̄0 mixing

M. Starič; B. Golob; K. Abe; K. Abe; I. Adachi; H. Aihara; K. Arinstein; T. Aushev; T. Aziz; S. Bahinipati; A. M. Bakich; V. Balagura; E. Barberio; A. Bay; K. Belous; U. Bitenc; I. Bizjak; S. Blyth; A. Bondar; A. Bozek; M. Bračko; J. Brodzicka; T. E. Browder; P. Chang; Y. Chao; A. Chen; K. F. Chen; W. T. Chen; B. G. Cheon; R. Chistov; I. S. Cho; S. K. Choi; Y. Choi; S. Cole; J. Dalseno; M. Danilov; M. Dash; J. Dragic; A. Drutskoy; S. Eidelman; D. Epifanov; S. Fratina; N. Gabyshev; A. Garmash; A. Goriek; H. Ha; J. Haba; T. Hara; N. C. Hastings; K. Hayasaka; H. Hayashii; M. Hazumi; D. Heffernan; T. Higuchi; T. Hokuue; Y. Hoshi; W. S. Hou; T. Iijima; K. Ikado; K. Inami; A. Ishikawa; H. Ishino; R. Itoh; M. Iwasaki; Y. Iwasaki; H. Kaji; P. Kapusta; N. Katayama; T. Kawasaki; A. Kibayashi; H. Kichimi; S. K. Kim; Y. J. Kim; K. Kinoshita; S. Korpar; P. Krian; P. Krokovny; R. Kumar; C. C. Kuo; A. Kuzmin; Y. J. Kwon; J. S. Lange; M. J. Lee; S. E. Lee; T. Lesiak; J. Li; A. Limosani; S. W. Lin; D. Liventsev; F. Mandl; D. Marlow; T. Matsumoto; A. Matyja; S. McOnie; T. Medvedeva; W. Mitaroff; K. Miyabayashi; H. Miyake; H. Miyata; Y. Miyazaki; R. Mizuk; D. Mohapatra; Y. Nagasaka; I. Nakamura; E. Nakano; M. Nakao; H. Nakazawa; Z. Natkaniec; S. Nishida; O. Nitoh; S. Noguchi; T. Nozaki; S. Ogawa; S. Okuno; S. L. Olsen; Y. Onuki; H. Ozaki; P. Pakhlov; G. Pakhlova; H. Palka; R. Pestotnik; L. E. Piilonen; A. Poluektov; M. Rozanska; H. Sahoo; Y. Sakai; N. Satoyama; O. Schneider; J. Schümann; C. Schwanda; A. J. Schwartz; R. Seidl; K. Senyo; M. E. Sevior; M. Shapkin; C. P. Shen; H. Shibuya; B. Shwartz; A. Sokolov; A. Somov; S. Stanič; H. Stoeck; K. Sumisawa; T. Sumiyoshi; S. Suzuki; S. Y. Suzuki; O. Tajima; F. Takasaki; K. Tamai; M. Tanaka; G. N. Taylor; Y. Teramoto; X. C. Tian; I. Tikhomirov; K. Trabelsi; T. Tsuboyama; T. Tsukamoto; S. Uehara; K. Ueno; T. Uglov; Y. Unno; S. Uno; P. Urquijo; Y. Ushiroda; Y. Usov; G. Varner; K. E. Varvell; K. Vervink; S. Villa; A. Vinokurova; C. H. Wang; M. Z. Wang; Y. Watanabe; J. Wicht; E. Won; Q. L. Xie; B. D. Yabsley; A. Yamaguchi; H. Yamamoto; Y. Yamashita; M. Yamauchi; C. Z. Yuan; Y. Yuan; C. C. Zhang; L. M. Zhang; Z. P. Zhang; V. Zhilich; A. Zupanc

doi:10.1103/PhysRevLett.98.211803

Evidence for D0-D̄0 mixing

M. Starič, B. Golob, K. Abe, K. Abe, I. Adachi, H. Aihara, K. Arinstein, T. Aushev, T. Aziz, S. Bahinipati, A. M. Bakich, V. Balagura, E. Barberio, A. Bay, K. Belous, U. Bitenc, I. Bizjak, S. Blyth, A. Bondar, A. BozekM. Bračko, J. Brodzicka, T. E. Browder, P. Chang, Y. Chao, A. Chen, K. F. Chen, W. T. Chen, B. G. Cheon, R. Chistov, I. S. Cho, S. K. Choi, Y. Choi, S. Cole, J. Dalseno, M. Danilov, M. Dash, J. Dragic, A. Drutskoy, S. Eidelman, D. Epifanov, S. Fratina, N. Gabyshev, A. Garmash, A. Goriek, H. Ha, J. Haba, T. Hara, N. C. Hastings, K. Hayasaka, H. Hayashii, M. Hazumi, D. Heffernan, T. Higuchi, T. Hokuue, Y. Hoshi, W. S. Hou, T. Iijima, K. Ikado, K. Inami, A. Ishikawa, H. Ishino, R. Itoh, M. Iwasaki, Y. Iwasaki, H. Kaji, P. Kapusta, N. Katayama, T. Kawasaki, A. Kibayashi, H. Kichimi, S. K. Kim, Y. J. Kim, K. Kinoshita, S. Korpar, P. Krian, P. Krokovny, R. Kumar, C. C. Kuo, A. Kuzmin, Y. J. Kwon, J. S. Lange, M. J. Lee, S. E. Lee, T. Lesiak, J. Li, A. Limosani, S. W. Lin, D. Liventsev, F. Mandl, D. Marlow, T. Matsumoto, A. Matyja, S. McOnie, T. Medvedeva, W. Mitaroff, K. Miyabayashi, H. Miyake, H. Miyata, Y. Miyazaki, R. Mizuk, D. Mohapatra, Y. Nagasaka, I. Nakamura, E. Nakano, M. Nakao, H. Nakazawa, Z. Natkaniec, S. Nishida, O. Nitoh, S. Noguchi, T. Nozaki, S. Ogawa, S. Okuno, S. L. Olsen, Y. Onuki, H. Ozaki, P. Pakhlov, G. Pakhlova, H. Palka, R. Pestotnik, L. E. Piilonen, A. Poluektov, M. Rozanska, H. Sahoo, Y. Sakai, N. Satoyama, O. Schneider, J. Schümann, C. Schwanda, A. J. Schwartz, R. Seidl, K. Senyo, M. E. Sevior, M. Shapkin, C. P. Shen, H. Shibuya, B. Shwartz, A. Sokolov, A. Somov, S. Stanič, H. Stoeck, K. Sumisawa, T. Sumiyoshi, S. Suzuki, S. Y. Suzuki, O. Tajima, F. Takasaki, K. Tamai, M. Tanaka, G. N. Taylor, Y. Teramoto, X. C. Tian, I. Tikhomirov, K. Trabelsi, T. Tsuboyama, T. Tsukamoto, S. Uehara, K. Ueno, T. Uglov, Y. Unno, S. Uno, P. Urquijo, Y. Ushiroda, Y. Usov, G. Varner, K. E. Varvell, K. Vervink, S. Villa, A. Vinokurova, C. H. Wang, M. Z. Wang, Y. Watanabe, J. Wicht, E. Won, Q. L. Xie, B. D. Yabsley, A. Yamaguchi, H. Yamamoto, Y. Yamashita, M. Yamauchi, C. Z. Yuan, Y. Yuan, C. C. Zhang, L. M. Zhang, Z. P. Zhang, V. Zhilich, A. Zupanc

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Abstract

We observe evidence for D0-D̄0 mixing by measuring the difference in the apparent lifetime when a D0 meson decays to the CP eigenstates K+K- and π+π- and when it decays to the final state K-π+. We find the relative difference of the lifetimes yCP to be [1.31±0.32(stat)±0.25(syst)] %, 3.2 standard deviations from zero. We also search for a CP asymmetry between D0 and D̄0 decays; no evidence for CP violation is found. These results are based on 540fb-1 of data recorded by the Belle detector at the KEKB e+e- collider.

Original language	English
Article number	211803
Journal	Physical review letters
Volume	98
Issue number	21
DOIs	https://doi.org/10.1103/PhysRevLett.98.211803
Publication status	Published - 2007 May 24

ASJC Scopus subject areas

General Physics and Astronomy

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10.1103/PhysRevLett.98.211803

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Starič, M., Golob, B., Abe, K., Abe, K., Adachi, I., Aihara, H., Arinstein, K., Aushev, T., Aziz, T., Bahinipati, S., Bakich, A. M., Balagura, V., Barberio, E., Bay, A., Belous, K., Bitenc, U., Bizjak, I., Blyth, S., Bondar, A., ... Zupanc, A. (2007). Evidence for D0-D̄0 mixing. Physical review letters, 98(21), Article 211803. https://doi.org/10.1103/PhysRevLett.98.211803

Starič, M, Golob, B, Abe, K, Abe, K, Adachi, I, Aihara, H, Arinstein, K, Aushev, T, Aziz, T, Bahinipati, S, Bakich, AM, Balagura, V, Barberio, E, Bay, A, Belous, K, 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, Cho, IS, Choi, SK, Choi, Y, Cole, S, Dalseno, J, Danilov, M, Dash, M, Dragic, J, Drutskoy, A, Eidelman, S, Epifanov, D, Fratina, S, Gabyshev, N, Garmash, A, Goriek, A, Ha, H, Haba, J, Hara, T, Hastings, NC, Hayasaka, K, Hayashii, H, Hazumi, M, Heffernan, D, Higuchi, T, Hokuue, T, Hoshi, Y, Hou, WS, Iijima, T, Ikado, K, Inami, K, Ishikawa, A, Ishino, H, Itoh, R, Iwasaki, M, Iwasaki, Y, Kaji, H, Kapusta, P, Katayama, N, Kawasaki, T, Kibayashi, A, Kichimi, H, Kim, SK, Kim, YJ, Kinoshita, K, Korpar, S, Krian, P, Krokovny, P, Kumar, R, Kuo, CC, Kuzmin, A, Kwon, YJ, Lange, JS, Lee, MJ, Lee, SE, Lesiak, T, Li, J, Limosani, A, Lin, SW, Liventsev, D, Mandl, F, Marlow, D, Matsumoto, T, Matyja, A, McOnie, S, Medvedeva, T, Mitaroff, W, Miyabayashi, K, Miyake, H, Miyata, H, Miyazaki, Y, Mizuk, R, Mohapatra, D, Nagasaka, Y, Nakamura, I, Nakano, E, Nakao, M, Nakazawa, H, Natkaniec, Z, Nishida, S, Nitoh, O, Noguchi, S, Nozaki, T, Ogawa, S, Okuno, S, Olsen, SL, Onuki, Y, Ozaki, H, Pakhlov, P, Pakhlova, G, Palka, H, Pestotnik, R, Piilonen, LE, Poluektov, A, Rozanska, M, Sahoo, H, Sakai, Y, Satoyama, N, Schneider, O, Schümann, J, Schwanda, C, Schwartz, AJ, Seidl, R, Senyo, K, Sevior, ME, Shapkin, M, Shen, CP, Shibuya, H, Shwartz, B, Sokolov, A, Somov, A, Stanič, S, Stoeck, H, Sumisawa, K, Sumiyoshi, T, Suzuki, S, Suzuki, SY, Tajima, O, Takasaki, F, Tamai, K, Tanaka, M, Taylor, GN, Teramoto, Y, Tian, XC, Tikhomirov, I, Trabelsi, K, Tsuboyama, T, Tsukamoto, T, Uehara, S, Ueno, K, Uglov, T, Unno, Y, Uno, S, Urquijo, P, Ushiroda, Y, Usov, Y, Varner, G, Varvell, KE, Vervink, K, Villa, S, Vinokurova, A, Wang, CH, Wang, MZ, Watanabe, Y, Wicht, J, Won, E, Xie, QL, Yabsley, BD, Yamaguchi, A, Yamamoto, H, Yamashita, Y, Yamauchi, M, Yuan, CZ, Yuan, Y, Zhang, CC, Zhang, LM, Zhang, ZP, Zhilich, V & Zupanc, A 2007, 'Evidence for D0-D̄0 mixing', Physical review letters, vol. 98, no. 21, 211803. https://doi.org/10.1103/PhysRevLett.98.211803

@article{9f645367f84141f8b125e1cc9e1e83f8,

title = "Evidence for D0-{\=D}0 mixing",

abstract = "We observe evidence for D0-{\=D}0 mixing by measuring the difference in the apparent lifetime when a D0 meson decays to the CP eigenstates K+K- and π+π- and when it decays to the final state K-π+. We find the relative difference of the lifetimes yCP to be [1.31±0.32(stat)±0.25(syst)] %, 3.2 standard deviations from zero. We also search for a CP asymmetry between D0 and {\=D}0 decays; no evidence for CP violation is found. These results are based on 540fb-1 of data recorded by the Belle detector at the KEKB e+e- collider.",

author = "M. Stari{\v c} and B. Golob and K. Abe and K. Abe and I. Adachi and H. Aihara and K. Arinstein and T. Aushev and T. Aziz and S. Bahinipati and Bakich, {A. M.} and V. Balagura and E. Barberio and A. Bay and K. Belous and U. Bitenc and I. Bizjak and S. Blyth and A. Bondar and A. Bozek and M. Bra{\v c}ko 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 Cho, {I. S.} and Choi, {S. K.} and Y. Choi and S. Cole and J. Dalseno and M. Danilov and M. Dash and J. Dragic and A. Drutskoy and S. Eidelman and D. Epifanov and S. Fratina and N. Gabyshev and A. Garmash and A. Goriek and H. Ha and J. Haba and T. Hara and Hastings, {N. C.} and K. Hayasaka and H. Hayashii and M. Hazumi and D. Heffernan and T. Higuchi and T. Hokuue and Y. Hoshi and Hou, {W. S.} and T. Iijima and K. Ikado and K. Inami and A. Ishikawa and H. Ishino and R. Itoh and M. Iwasaki and Y. Iwasaki and H. Kaji and P. Kapusta and N. Katayama and T. Kawasaki and A. Kibayashi and H. Kichimi and Kim, {S. K.} and Kim, {Y. J.} and K. Kinoshita and S. Korpar and P. Krian and P. Krokovny and R. Kumar and Kuo, {C. C.} and A. Kuzmin and Kwon, {Y. J.} and Lange, {J. S.} and Lee, {M. J.} and Lee, {S. E.} and T. Lesiak and J. Li and A. Limosani and Lin, {S. W.} and D. Liventsev and F. Mandl and D. Marlow and T. Matsumoto and A. Matyja and S. McOnie and T. Medvedeva and W. Mitaroff and K. Miyabayashi and H. Miyake and H. Miyata and Y. Miyazaki and R. Mizuk and D. Mohapatra and Y. Nagasaka and I. Nakamura and E. Nakano and M. Nakao and H. Nakazawa and Z. Natkaniec and S. Nishida and O. Nitoh and S. Noguchi and T. Nozaki and S. Ogawa and S. Okuno and Olsen, {S. L.} and Y. Onuki and H. Ozaki and P. Pakhlov and G. Pakhlova and H. Palka and R. Pestotnik and Piilonen, {L. E.} and A. Poluektov and M. Rozanska and H. Sahoo and Y. Sakai and N. Satoyama and O. Schneider and J. Sch{\"u}mann and C. Schwanda and Schwartz, {A. J.} and R. Seidl and K. Senyo and Sevior, {M. E.} and M. Shapkin and Shen, {C. P.} and H. Shibuya and B. Shwartz and A. Sokolov and A. Somov and S. Stani{\v c} and H. Stoeck and K. Sumisawa and T. Sumiyoshi and S. Suzuki and Suzuki, {S. Y.} and O. Tajima and F. Takasaki and K. Tamai and M. Tanaka and Taylor, {G. N.} and Y. Teramoto and Tian, {X. C.} and I. Tikhomirov and K. Trabelsi and T. Tsuboyama and T. Tsukamoto and S. Uehara and K. Ueno and T. Uglov and Y. Unno and S. Uno and P. Urquijo and Y. Ushiroda and Y. Usov and G. Varner and Varvell, {K. E.} and K. Vervink and S. Villa and A. Vinokurova and Wang, {C. H.} and Wang, {M. Z.} and Y. Watanabe and J. Wicht and E. Won and Xie, {Q. L.} and Yabsley, {B. D.} and A. Yamaguchi and H. Yamamoto and Y. Yamashita and M. Yamauchi and Yuan, {C. Z.} and Y. Yuan and Zhang, {C. C.} and Zhang, {L. M.} and Zhang, {Z. P.} and V. Zhilich and A. Zupanc",

year = "2007",

month = may,

day = "24",

doi = "10.1103/PhysRevLett.98.211803",

language = "English",

volume = "98",

journal = "Physical review letters",

issn = "0031-9007",

publisher = "American Physical Society",

number = "21",

}

TY - JOUR

T1 - Evidence for D0-D̄0 mixing

AU - Starič, M.

AU - Golob, B.

AU - Abe, K.

AU - Adachi, I.

AU - Aihara, H.

AU - Arinstein, K.

AU - Aushev, T.

AU - Aziz, T.

AU - Bahinipati, S.

AU - Bakich, A. M.

AU - Balagura, V.

AU - Barberio, E.

AU - Bay, A.

AU - Belous, K.

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 - Cho, I. S.

AU - Choi, S. K.

AU - Choi, Y.

AU - Cole, S.

AU - Dalseno, J.

AU - Danilov, M.

AU - Dash, M.

AU - Dragic, J.

AU - Drutskoy, A.

AU - Eidelman, S.

AU - Epifanov, D.

AU - Fratina, S.

AU - Gabyshev, N.

AU - Garmash, A.

AU - Goriek, A.

AU - Ha, H.

AU - Haba, J.

AU - Hara, T.

AU - Hastings, N. C.

AU - Hayasaka, K.

AU - Hayashii, H.

AU - Hazumi, M.

AU - Heffernan, D.

AU - Higuchi, T.

AU - Hokuue, T.

AU - Hoshi, Y.

AU - Hou, W. S.

AU - Iijima, T.

AU - Ikado, K.

AU - Inami, K.

AU - Ishikawa, A.

AU - Ishino, H.

AU - Itoh, R.

AU - Iwasaki, M.

AU - Iwasaki, Y.

AU - Kaji, H.

AU - Kapusta, P.

AU - Katayama, N.

AU - Kawasaki, T.

AU - Kibayashi, A.

AU - Kichimi, H.

AU - Kim, S. K.

AU - Kim, Y. J.

AU - Kinoshita, K.

AU - Korpar, S.

AU - Krian, P.

AU - Krokovny, P.

AU - Kumar, R.

AU - Kuo, C. C.

AU - Kuzmin, A.

AU - Kwon, Y. J.

AU - Lange, J. S.

AU - Lee, M. J.

AU - Lee, S. E.

AU - Lesiak, T.

AU - Li, J.

AU - Limosani, A.

AU - Lin, S. W.

AU - Liventsev, D.

AU - Mandl, F.

AU - Marlow, D.

AU - Matsumoto, T.

AU - Matyja, A.

AU - McOnie, S.

AU - Medvedeva, T.

AU - Mitaroff, W.

AU - Miyabayashi, K.

AU - Miyake, H.

AU - Miyata, H.

AU - Miyazaki, Y.

AU - Mizuk, R.

AU - Mohapatra, D.

AU - Nagasaka, Y.

AU - Nakamura, I.

AU - Nakano, E.

AU - Nakao, M.

AU - Nakazawa, H.

AU - Natkaniec, Z.

AU - Nishida, S.

AU - Nitoh, O.

AU - Noguchi, S.

AU - Nozaki, T.

AU - Ogawa, S.

AU - Okuno, S.

AU - Olsen, S. L.

AU - Onuki, Y.

AU - Ozaki, H.

AU - Pakhlov, P.

AU - Pakhlova, G.

AU - Palka, H.

AU - Pestotnik, R.

AU - Piilonen, L. E.

AU - Poluektov, A.

AU - Rozanska, M.

AU - Sahoo, H.

AU - Sakai, Y.

AU - Satoyama, N.

AU - Schneider, O.

AU - Schümann, J.

AU - Schwanda, C.

AU - Schwartz, A. J.

AU - Seidl, R.

AU - Senyo, K.

AU - Sevior, M. E.

AU - Shapkin, M.

AU - Shen, C. P.

AU - Shibuya, H.

AU - Shwartz, B.

AU - Sokolov, A.

AU - Somov, A.

AU - Stanič, S.

AU - Stoeck, H.

AU - Sumisawa, K.

AU - Sumiyoshi, T.

AU - Suzuki, S.

AU - Suzuki, S. Y.

AU - Tajima, O.

AU - Takasaki, F.

AU - Tamai, K.

AU - Tanaka, M.

AU - Taylor, G. N.

AU - Teramoto, Y.

AU - Tian, X. C.

AU - Tikhomirov, I.

AU - Trabelsi, K.

AU - Tsuboyama, T.

AU - Tsukamoto, T.

AU - Uehara, S.

AU - Ueno, K.

AU - Uglov, T.

AU - Unno, Y.

AU - Uno, S.

AU - Urquijo, P.

AU - Ushiroda, Y.

AU - Usov, Y.

AU - Varner, G.

AU - Varvell, K. E.

AU - Vervink, K.

AU - Villa, S.

AU - Vinokurova, A.

AU - Wang, C. H.

AU - Wang, M. Z.

AU - Watanabe, Y.

AU - Wicht, J.

AU - Won, E.

AU - Xie, Q. L.

AU - Yabsley, B. D.

AU - Yamaguchi, A.

AU - Yamamoto, H.

AU - Yamashita, Y.

AU - Yamauchi, M.

AU - Yuan, C. Z.

AU - Yuan, Y.

AU - Zhang, C. C.

AU - Zhang, L. M.

AU - Zhang, Z. P.

AU - Zhilich, V.

AU - Zupanc, A.

PY - 2007/5/24

Y1 - 2007/5/24

N2 - We observe evidence for D0-D̄0 mixing by measuring the difference in the apparent lifetime when a D0 meson decays to the CP eigenstates K+K- and π+π- and when it decays to the final state K-π+. We find the relative difference of the lifetimes yCP to be [1.31±0.32(stat)±0.25(syst)] %, 3.2 standard deviations from zero. We also search for a CP asymmetry between D0 and D̄0 decays; no evidence for CP violation is found. These results are based on 540fb-1 of data recorded by the Belle detector at the KEKB e+e- collider.

AB - We observe evidence for D0-D̄0 mixing by measuring the difference in the apparent lifetime when a D0 meson decays to the CP eigenstates K+K- and π+π- and when it decays to the final state K-π+. We find the relative difference of the lifetimes yCP to be [1.31±0.32(stat)±0.25(syst)] %, 3.2 standard deviations from zero. We also search for a CP asymmetry between D0 and D̄0 decays; no evidence for CP violation is found. These results are based on 540fb-1 of data recorded by the Belle detector at the KEKB e+e- collider.

UR - http://www.scopus.com/inward/record.url?scp=34547287233&partnerID=8YFLogxK

U2 - 10.1103/PhysRevLett.98.211803

DO - 10.1103/PhysRevLett.98.211803

M3 - Article

AN - SCOPUS:34547287233

SN - 0031-9007

VL - 98

JO - Physical review letters

JF - Physical review letters

IS - 21

M1 - 211803

ER -

Evidence for D0-D̄0 mixing

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