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  • Measurement of the branching fraction of $\Xi_{c}^{0}\to \Lambda_{c}^{+}\pi^{-}$ at Belle
    Tang, S. S; Li, Y. B; Adachi, YI; Aihara, H; Asner, D. M; Aushev, T; Ayad, R; Behera, P; Bessner, M; Bhardwaj, V; Bhuyan, B; Bilka, T; Bonvicini, G; Borah, J; Bračko, M; Branchini, P; Červenkov, D; Chekelian, V; Cheon, B. G; Cho, H. E; Cho, S. -J; Cinabro, D; De Pietro, G; Dhamija, R; Di Capua, F; Dingfelder, J; Doležal, Z; Dong, T. V; Fulsom, B. G; Garg, R; Gaur, V; Gabyshev, N; Garmash, A; Giri, A; Goldenzweig, P; Gu, T; Hedges, M. T; Herrmann, D; Ipsita, N; Ishikawa, A; Itoh, R; Iwasaki, M; Jacobs, W. W; Joo, K. K; Kang, K. H; Karyan, G; Kiesling, C; Kim, C. H; Kim, K. -H; Kodyš, P; Korobov, A; Korpar, S; Kovalenko, E; Križan, P; Kumar, M; Kwon, Y. -J; Lam, T; Lange, J. S; Li, J; Li, L. K; Li, Y; Gioi, L. Li; Libby, J; Matvienko, D; Maurya, S. K; Meier, F; Mizuk, R; Natkaniec, Z; Natochii, A; Nayak, L; Nayak, M; Ogawa, S; Ono, H; Pakhlova, G; Park, S. -H; Patra, S; Pestotnik, R; Prencipe, E; Sakai, Y; Sandilya, S; Schnell, G; Senyo, K; Sevior, M. E; Starič, M; Sumiyoshi, T; Trabelsi, K; Uchida, M; Uglov, T; Unno, Y; Urquijo, P; Varner, G; Vossen, A; Wang, E; Won, E; Xu, X; Yuan, C. Z; Yusa, Y; Zhai, Y; Zhang, Z. P; Zhilich, V

    arXiv (Cornell University), 06/2022
    Journal Article

    Based on a data sample of 983 fb$^{-1}$ collected with the Belle detector at the KEKB asymmetric-energy $e^+e^-$ collider, we present the study of the heavy-flavor-conserving decay $\Xi_{c}^{0}\to \Lambda_{c}^{+}\pi^{-}$ with $\Lambda_{c}^{+}$ reconstructed via its $pK^{-} \pi^{+}$ decay mode. The branching fraction ratio $\mathcal{B}(\Xi_{c}^{0}\to \Lambda_{c}^{+}\pi^{-})/\mathcal{B}(\Xi_{c}^{0}\to \Xi^{-}\pi^{+})$ is measured to be $0.38 \pm 0.04 \pm 0.04$. Combing with the world average value of $\mathcal{B}(\Xi_{c}^{0}\to \Xi^{-}\pi^{+})$, the branching fraction $\mathcal{B}(\Xi_{c}^{0}\to \Lambda_{c}^{+}\pi^{-})$ is deduced to be $(0.54 \pm 0.05 \pm 0.05 \pm 0.12)\%$. Here, the uncertainties above are statistical, systematic, and from $\mathcal{B}(\Xi_c^{0} \to \Xi^{-}\pi^{+})$, respectively.

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