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Measurement of branching fractions of Lambda_c(+) to p K_S(0) K_S(0) and Lambda_c(+) to p K_S(0) eta et Belleopen access
- Authors
- Li, L. K.; Kinoshita, K.; Adachi, I.; Ahn, J. K.; Aihara, H.; Al Said, S.; Asner, D. M.; Aushev, T.; Ayad, R.; Babu, V.; Bahinipati, S.; Banerjee, Sw.; Behera, P.; Belous, K.; Bennett, J.; Bessner, M.; Bhuyan, B.; Bilka, T.; Biswas, D.; Bobrov, A.; Bodrov, D.; Bonvicini, G.; Borah, J.; Bozek, A.; Bra, M.; Branchini, P.; Browder, T. E.; Budano, A.; Campajola, M.; Chang, M. -c.; Chen, A.; Cheon, B. G.; Chilikin, K.; Cho, K.; Cho, S. -j.; Choi, Y.; Choudhury, S.; Cinabro, D.; Das, S.; De Nardo, G.; De Pietro, G.; Dhamija, R.; Di Capua, F.; Dingfelder, J.; Dolezal, Z.; Dong, T. V.; Epifanov, D.; Ferber, T.; Ferlewicz, D.; Fulsom, B. G.; Garg, R.; Gaur, V.; Garmash, A.; Giri, A.; Goldenzweig, P.; Golob, B.; Gong, G.; Graziani, E.; Guan, Y.; Gudkova, K.; Hadjivasiliou, C.; Halder, S.; Han, X.; Hayasaka, K.; Hayashii, H.; Hedges, M. T.; Hou, W. -s.; Hsu, C. -l.; Inami, K.; Ipsita, N.; Ishikawa, A.; Itoh, R.; Iwasaki, M.; Jacobs, W. W.; Jang, E. -j.; Ji, Q. P.; Jia, S.; Jin, Y.; Joo, K. K.; Kang, K. H.; Kawasaki, T.; Kim, C. H.; Kim, D. Y.; Kim, K. -H.; Kim, Y. -K.; Kodys, P.; Korobov, A.; Korpar, S.; Kovalenko, E.; Krizan, P.; Krokovny, P.; Kuhr, T.; Kumar, M.; Kumar, R.; Kumara, K.; Kwon, Y. -j.; Lam, T.; Lange, J. S.; Lee, S. C.; Li, C. H.; Li, S. X.; Li, Y.; Li, Y. B.; Li Gioi, L.; Libby, J.; Lieret, K.; Lin, Y. -r.; Liventsev, D.; Luo, T.; Masuda, M.; Matsuda, T.; Matvienko, D.; Maurya, S. K.; Meier, F.; Merola, M.; Metzner, F.; Miyabayashi, K.; Mizuk, R.; Mussa, R.; Nakamura, I.; Nakano, T.; Nakano, M.; Natkaniec, Z.; Natochii, A.; Nayak, L.; Nayak, M.; Nisar, N. K.; Nishida, S.; Ogawa, S.; Ono, H.; Pakhlov, P.; Pakhlova, G.; Pardi, S.; Park, H.; Park, J.; Passeri, A.; Patra, S.; Paul, S.; Pestotnik, R.; Piilonen, L. E.; Podobnik, T.; Prencipe, E.; Prim, M. T.; Rostomyan, A.; Rout, N.; Russo, Y.; Sakai, G.; Sandilya, S.; Savinov, V.; Schnell, G.; Schueler, J.; Schwanda, C.; Schwartz, A. J.; Seino, Y.; Senyo, K.; Sevior, M. E.; Shan, W.; Shapkin, M.; Sharma, C.; Shen, C. P.; Shiu, J. -g.; Simon, F.; Singh, J. B.; Solovieva, E.; Staric, M.; Strube, J. F.; Sumihama, M.; Sumiyoshi, T.; Takizawa, M.; Tamponi, U.; Tang, S. S.; Tanida, K.; Tenchini, F.; Uchida, M.; Uglov, T.; Unno, Y.; Uno, K.; Uno, S.; Urquijo, P.; Vahsen, S. E.; van Tonder, R.; Varner, G.; Varvell, K. E.; Vinokurova, A.; Vossen, A.; Wang, D.; Wang, M. -z.; Wang, X. L.; Watanabe, M.; Watanuki, S.; Werbycka, O.; Wiechczynski, J.; Won, E.; Xu, X.; Yabsley, B. D.; Yan, W.; Yang, S. B.; Yelton, J.; Yin, J. H.; Yuan, C. Z.; Yuan, L.; Yusa, Y.; Zhang, Z. P.; Zhilich, V.; Zhukova, V.; Belle Collaboration
- Issue Date
- Feb-2023
- Publisher
- AMER PHYSICAL SOC
- Citation
- PHYSICAL REVIEW D, v.107, no.3
- Journal Title
- PHYSICAL REVIEW D
- Volume
- 107
- Number
- 3
- ISSN
- 2470-0010
- Abstract
- We present a study of a singly Cabibbo-suppressed decay A+c -pK0SK0S and a Cabibbo-favored decay A+c -pK0St7 based on 980 fb-1 of data collected by the Belle detector, operating at the KEKB energy-asymmetric e+e- collider. We measure their branching fractions relative to A+c -pK0S: B(A+c -pK0SK0S)=B(A+c -pK0S) = (1.48 +/- 0.08 +/- 0.04) x 10-2 and B(A+c -pK0St7)=B(A+c -pK0S) = (2.73 +/- 0.06 +/- 0.13) x 10-1. Combining with the world average B(A+c -pK0S), we have the absolute branching fractions, B(A+c -pK0SK0S) = (2.35 +/- 0.12 +/- 0.07 +/- 0.12) x 10-4 and B(A+c -pK0St7) = (4.35 +/- 0.10 +/- 0.20 +/- 0.22) x 10-3. The first and second uncertainties are statistical and systematic, respectively, while the third ones arise from the uncertainty on B(A+c -pK0S). The mode A+c -pK0 SK0S is observed for the first time and has a statistical significance of > 10 sigma. The branching fraction of A+c -pK0St7 has been measured with a threefold improvement in precision over previous results and is found to be consistent with the world average.
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Related Researcher
- Kim, D. Y.
- College of Natural Sciences (Department of Physics)