Search for CP violation in the decay D+ → K S0K+

B. R. Ko, E. Won, I. Adachi, H. Aihara, K. Arinstein, D. M. Asner, T. Aushev, A. M. Bakich, K. Belous, V. Bhardwaj, B. Bhuyan, A. Bondar, G. Bonvicini, A. Bozek, M. Bračko, T. E. Browder, V. Chekelian, A. Chen, P. Chen, B. G. CheonK. Chilikin, R. Chistov, K. Cho, S. K. Choi, Y. Choi, D. Cinabro, J. Dalseno, Z. Doležal, D. Dutta, S. Eidelman, S. Esen, H. Farhat, J. E. Fast, V. Gaur, N. Gabyshev, S. Ganguly, R. Gillard, Y. M. Goh, B. Golob, K. Hayasaka, H. Hayashii, Y. Hoshi, W. S. Hou, H. J. Hyun, T. Iijima, A. Ishikawa, Y. Iwasaki, T. Julius, J. H. Kang, E. Kato, C. Kiesling, H. O. Kim, J. B. Kim, K. T. Kim, M. J. Kim, Y. J. Kim, K. Kinoshita, J. Klucar, S. Korpar, R. T. Kouzes, P. Križan, P. Krokovny, T. Kuhr, T. Kumita, A. Kuzmin, Y. J. Kwon, Y. Li, C. Liu, D. Liventsev, R. Louvot, K. Miyabayashi, H. Miyata, R. Mizuk, G. B. Mohanty, A. Moll, N. Muramatsu, Y. Nagasaka, E. Nakano, M. Nakao, E. Nedelkovska, C. Ng, N. Nellikunnummel, S. Nishida, K. Nishimura, O. Nitoh, S. Ogawa, T. Ohshima, S. Okuno, C. Oswald, P. Pakhlov, G. Pakhlova, H. Park, H. K. Park, T. K. Pedlar, R. Pestotnik, M. Petrič, L. E. Piilonen, K. Prothmann, M. Ritter, M. Röhrken, H. Sahoo, T. Saito, Y. Sakai, S. Sandilya, L. Santelj, T. Sanuki, Y. Sato, O. Schneider, G. Schnell, C. Schwanda, A. J. Schwartz, K. Senyo, O. Seon, M. E. Sevior, M. Shapkin, C. P. Shen, T. A. Shibata, J. G. Shiu, A. Sibidanov, F. Simon, P. Smerkol, Y. S. Sohn, E. Solovieva, M. Starič, T. Sumiyoshi, G. Tatishvili, Y. Teramoto, K. Trabelsi, T. Tsuboyama, M. Uchida, T. Uglov, Y. Unno, S. Uno, C. Van Hulse, P. Vanhoefer, G. Varner, C. H. Wang, M. Z. Wang, P. Wang, Y. Watanabe, K. M. Williams, Y. Yamashita, C. C. Zhang, V. Zhilich, A. Zupanc

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Abstract

We search for CP violation in the decay D+ → K S0K+ using a data sample with an integrated luminosity of 977 fb-1 collected with the Belle detector at the KEKB e+ e- asymmetric-energy collider. No CP violation has been observed and the CP asymmetry in D+ → KS 0K+ decay is measured to be (-0.25±0.28±0. 14)%, which is the most sensitive measurement to date. After subtracting CP violation due to K0-K̄0 mixing, the CP asymmetry in D+ → K̄0K+ decay is found to be (+0.08±0.28±0.14)%.

Original languageEnglish
Article number98
Pages (from-to)1-12
Number of pages12
JournalJournal of High Energy Physics
Volume2013
Issue number2
DOIs
Publication statusPublished - 2013

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

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    Ko, B. R., Won, E., Adachi, I., Aihara, H., Arinstein, K., Asner, D. M., Aushev, T., Bakich, A. M., Belous, K., Bhardwaj, V., Bhuyan, B., Bondar, A., Bonvicini, G., Bozek, A., Bračko, M., Browder, T. E., Chekelian, V., Chen, A., Chen, P., ... Zupanc, A. (2013). Search for CP violation in the decay D+ → K S0K+. Journal of High Energy Physics, 2013(2), 1-12. [98]. https://doi.org/10.1007/JHEP02(2013)098