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Angular analysis of the low K+K- invariant mass enhancement in B+ →k+K-π+ decaysopen access
- Authors
- Hsu, C.-L.; Sevior, M.E.; Adachi, I.; Aihara, H.; Al Said, S.; Asner, D.M.; Atmacan, H.; Aulchenko, V.; Aushev, T.; Ayad, R.; Babu, V.; Bahinipati, S.; Bauer, M.; Behera, P.; Belous, K.; Bennett, J.; Bessner, M.; Bhardwaj, V.; Bhuyan, B.; Bilka, T.; Biswal, J.; Bloomfield, T.; Bobrov, A.; Bozek, A.; Bračko, M.; Branchini, P.; Browder, T.E.; Budano, A.; Campajola, M.; Červenkov, D.; Chang, M.-C.; Chekelian, V.; Chen, A.; Cheon, B.G.; Chilikin, K.; Cho, H.E.; Cho, K.; Cho, S.-J.; Choi, S.-K.; Choi, Y.; Choudhury, S.; Cinabro, D.; Cunliffe, S.; Das, S.; Dash, N.; De Nardo, G.; De Pietro, G.; Dhamija, R.; Di Capua, F.; Dingfelder, J.; DoleŽal, Z.; Dong, T.V.; Dossett, D.; Dubey, S.; Epifanov, D.; Ferber, T.; Ferlewicz, D.; Fulsom, B.G.; Garg, R.; Gaur, V.; Gabyshev, N.; Garmash, A.; Giri, A.; Goldenzweig, P.; Graziani, E.; Gu, T.; Gudkova, K.; Hadjivasiliou, C.; Halder, S.; Hara, T.; Hartbrich, O.; Hayasaka, K.; Hayashii, H.; Hou, W.-S.; Inami, K.; Ishikawa, A.; Itoh, R.; Iwasaki, M.; Jacobs, W.W.; Jang, E.-J.; Jia, S.; Jin, Y.; Joo, K.K.; Kaliyar, A.B.; Kang, K.H.; Kiesling, C.; Kim, C.H.; Kim, D.Y.; Kim, Y.-K.; Kimmel, T.D.; Kodyš, P.; Konno, T.; Korobov, A.; Korpar, S.; Kovalenko, E.; KriŽan, P.; Krokovny, P.; Kuhr, T.; Kulasiri, R.; Kumara, K.; Kuzmin, A.; Kwon, Y.-J.; Lai, Y.-T.; Lange, J.S.; Laurenza, M.; Lee, S.C.; Li, J.; Li, L.K.; Li, Y.B.; Li Gioi, L.; Libby, J.; Lieret, K.; Liventsev, D.; Macqueen, C.; Masuda, M.; Matsuda, T.; Matvienko, D.; Meier, F.; Merola, M.; Metzner, F.; Miyabayashi, K.; Mizuk, R.; Mohanty, G.B.; Nakao, M.; Natkaniec, Z.; Natochii, A.; Nayak, L.; Nayak, M.; Niiyama, M.; Nisar, N.K.; Nishida, S.; Ogawa, S.; Ono, H.; Onuki, Y.; Oskin, P.; Pakhlov, P.; Pakhlova, G.; Pardi, S.; Park, H.; Park, S.-H.; Passeri, A.; Paul, S.; Pedlar, T.K.; Pestotnik, R.; Piilonen, L.E.; Podobnik, T.; Prencipe, E.; Prim, M.T.; Rostomyan, A.; Rout, N.; Russo, G.; Sahoo, D.; Sandilya, S.; Sangal, A.; Santelj, L.; Sanuki, T.; Savinov, V.; Schnell, G.; Schueler, J.; Schwanda, C.; Seino, Y.; Senyo, K.; Shapkin, M.; Sharma, C.; Shen, C.P.; Shiu, J.-G.; Shwartz, B.; Sokolov, A.; Solovieva, E.; Starič, M.; Stottler, Z.S.; Sumihama, M.; Sumisawa, K.; Sumiyoshi, T.; Takizawa, M.; Tamponi, U.; Tanida, K.; Tao, Y.; Tenchini, F.; Uchida, M.; Uglov, T.; Unno, Y.; Uno, S.; Van Tonder, R.; Varner, G.; Varvell, K.E.; Vinokurova, A.; Waheed, E.; Wang, C.H.; Wang, E.; Wang, X.L.; Watanabe, M.; Watanuki, S.; Won, E.; Xu, X.; Yabsley, B.D.; Yan, W.; Yang, S.B.; Ye, H.; Yelton, J.; Yin, J.H.; Zhang, Z.P.; Zhilich, V.; Zhukova, V.
- Issue Date
- Feb-2023
- Publisher
- American Physical Society
- Citation
- Physical Review D, v.107, no.3
- Journal Title
- Physical Review D
- Volume
- 107
- Number
- 3
- ISSN
- 2470-0010
- Abstract
- We study the decay B+→K+K-π+ and investigate the angular distribution of K+K- pairs with invariant mass below 1.1 GeV/c2. This region exhibits both a strong enhancement in signal and very large direct CP violation. We construct a coherent sum model for the angular distribution of the S- and P-wave, and report the ratio of their amplitudes, the relative phase and the forward-backward asymmetry. We also report absolute differential branching fractions and direct CP asymmetry for the decay in bins of MK+K- and the differential branching fractions in bins of MK+π-. The results are based on a data sample that contains 772×106 BB¯ pairs collected at the ϒ(4S) resonance with the Belle detector at the KEKB asymmetric-energy e+e- collider. The result favors the presence of S- and D-waves in low MK+K- region to the detriment of a P-wave. © 2023 authors. Published by the American Physical Society. Published by the American Physical Society under the terms of the https://creativecommons.org/licenses/by/4.0/Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI. Funded by SCOAP3.
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Related Researcher
- Kim, D. Y.
- College of Natural Sciences (Department of Physics)