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Measurement of the branching fraction and search for CP violation in D(0) to K_S(0) K_S(0) pi(+) pi(-) decays at Belleopen access
- Authors
- Sangal, A.; Schwartz, A. J.; Aihara, H.; Al Said, S.; Asner, D. M.; Atmacan, H.; Aulchenko, V.; Aushev, T.; Ayad, R.; Babu, V.; Bahinipati, S.; Behera, P.; Belous, K.; Bennett, J.; Bessner, M.; Bhardwaj, V.; Bhuyan, B.; Bilka, T.; Bodrov, D.; Bonvicini, G.; Borah, J.; Bozek, A.; Bracko, M.; Branchini, P.; Browder, T. E.; Budano, A.; Cervenkov, D.; Chen, A.; Cheon, B. G.; Chilikin, K.; Cho, K.; Cho, S. -j.; Choi, S. -k.; Choi, Y.; Choudhury, S.; Cinabro, D.; Dash, N.; De Pietro, G.; Dhamija, R.; Di Capua, F.; Dolezal, Z.; Dong, T. V.; Dossett, D.; Epifanov, D.; Frey, A.; Fulsom, B. G.; Garg, R.; Gaur, V.; Gabyshev, N.; Garmash, A.; Giri, A.; Goldenzweig, P.; Graziani, E.; Guan, Y.; Gudkova, K.; Hadjivasiliou, C.; Hayasaka, K.; Hayashii, H.; Herrmann, D.; Hou, W. -s.; Hsu, C. -l.; Inami, K.; Ipsita, N.; Ishikawa, A.; Itoh, R.; Iwasaki, M.; Jacobs, W. W.; Jang, E. -j.; Jia, S.; Jin, Y.; Joo, K. K.; Kang, K. H.; Kawasaki, T.; Kiesling, C.; Kim, C. H.; Kim, D. Y.; Kim, K. -h.; Kinoshita, K.; Kodys, P.; Konno, T.; Korobov, A.; Korpar, S.; Kovalenko, E.; Krizan, P.; Krokovny, P.; Kumar, M.; Kumar, R.; Kumara, K.; Kwon, Y. -j.; Lam, T.; Lange, J. S.; Laurenza, M.; Lee, S. C.; H. Li, C.; Li, L. K.; Li, Y.; Li, Y. B.; Gioi, L. Li; Libby, J.; Lieret, K.; Liventsev, D.; Martini, A.; Masuda, M.; Matvienko, D.; Maurya, S. K.; Merola, M.; Metzner, F.; Miyabayashi, K.; Mizuk, R.; Mohanty, G. B.; Moon, H. K.; Mussa, R.; Nakao, M.; Narwal, D.; Natkaniec, Z.; Natochii, A.; Nayak, L.; Nayak, M.; Niiyama, M.; Nisar, N. K.; Nishida, S.; Ono, H.; Onuki, Y.; Oskin, P.; Pakhlov, P.; Pakhlova, G.; Pardi, S.; Park, H.; Park, S. -h.; Passeri, A.; Patra, S.; Paul, S.; Pedlar, T. K.; Pestotnik, R.; Piilonen, L. E.; Podobnik, T.; Prencipe, E.; Prim, M. T.; Rout, N.; Russo, G.; Sandilya, S.; Santelj, L.; Sanuki, T.; Savinov, V.; Schnell, G.; Schueler, J.; Schwanda, C.; Seino, Y.; Senyo, K.; Sevior, M. E.; Shapkin, M.; Sharma, C.; Shen, C. P.; Shiu, J. -g.; Shwartz, B.; Singh, J. B.; Sokolov, A.; Solovieva, E.; Staric, M.; Stottler, Z. S.; Strube, J. F.; Sumihama, M.; Sumisawa, K.; Sumiyoshi, T.; Takizawa, M.; Tamponi, U.; Tanida, K.; Tenchini, F.; Uchida, M.; Uglov, T.; Unno, Y.; Uno, K.; Uno, S.; Ushiroda, Y.; Usov, Y.; van Tonder, R.; Varner, G.; Varvell, K. E.; Vinokurova, A.; Waheed, E.; Wang, E.; Wang, M. -z.; Watanabe, M.; Watanuki, S.; Wiechczynski, J.; Won, E.; Yabsley, B. D.; Yan, W.; Yang, S. B.; Ye, H.; Yelton, J.; Yin, J. H.; Yuan, C. Z.; Yusa, Y.; Zhang, Z. P.; Zhilich, V.; Zhukova, V.; Zhulanov, V.; Belle Collaboration
- Issue Date
- Mar-2023
- Publisher
- AMER PHYSICAL SOC
- Citation
- PHYSICAL REVIEW D, v.107, no.5
- Journal Title
- PHYSICAL REVIEW D
- Volume
- 107
- Number
- 5
- ISSN
- 2470-0010
2470-0029
- Abstract
- We measure the branching fraction for the Cabibbo-suppressed decay D0 -> K0SK0S pi+pi- and search for CP violation via a measurement of the CP asymmetry ACP as well as the T-odd triple-product asymmetry aTCP. We use 922 fb-1 of data recorded by the Belle experiment, which ran at the KEKB asymmetric-energy e+e- collider. The branching fraction is measured relative to the Cabibbo-favored normalization channel D0 -> K0S pi+pi-; the result is B(D0 -> K0SK0S pi+pi-)=[4.79 +/- 0.08(stat)+/- 0.10(syst)+/- 0.31(norm)]x10-4, where the first uncertainty is statistical, the second is systematic, and the third is from uncertainty in the normalization channel. We also measure ACP=[-2.51 +/- 1.44(stat)+0.11-0.10(syst)]%, and aTCP=[-1.95 +/- 1.42(stat)+0.14-0.12(syst)]%. These results show no evidence of CP violation.
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Related Researcher
- Kim, D. Y.
- College of Natural Sciences (Department of Physics)