Measurements of the branching fractions of $Ξ_c^0 \to ΛK_S^0$, $Ξ_c^0 \to Σ^0 
K_S^0$, and $Ξ_c^0 \to Σ^+ K^-$ decays at Belle

Belle collaboration,; Li, Y.; Cui, J.X.; Jia, S.; Shen, C.P.; Adachi, I.; Ahn, J.K.; Aihara, H.; Al Said, S.; Asner, D.M.; Atmacan, H.; Aushev, T.; Ayad, R.; Babu, V.; Bahinipati, S.; Behera, P.; Belous, K.; Bennett, J.; Bessner, M.; Bhardwaj, V.; Bhuyan, B.; Bilka, T.; Bobrov, A.; Bodrov, D.; Bonvicini, G.; Borah, J.; Bozek, A.; Bračko, M.; Branchini, P.; Browder, T.E.; Budano, A.; Campajola, M.; Červenkov, D.; Chang, M.C.; Chang, P.; 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.; De Nardo, G.; De Pietro, G.; Dhamija, R.; Di Capua, F.; Dingfelder, J.; Doležal, Z.; Dong, T.V.; Dossett, D.; Epifanov, D.; Ferber, T.; Frey, A.; Fulsom, B.G.; Garg, R.; Gaur, V.; Gabyshev, N.; Giri, A.; Goldenzweig, P.; Gu, T.; Gudkova, K.; Hadjivasiliou, C.; Halder, S.; Hartbrich, O.; Hayasaka, K.; Hayashii, H.; Hedges, M.T.; Hou, W.S.; Hsu, C.-L.; Iijima, T.; Inami, K.; Inguglia, G.; Ishikawa, A.; Itoh, R.; Iwasaki, M.; Iwasaki, Y.; Ja obs, W.W.; Jang, E.J.; Jin, Y.; Joo, K.K.; Kahn, J.; Kaliyar, A.B.; Kawasaki, T.; Kiesling, C.; Kim, C.H.; Kim, D.Y.; Kim, K.H.; Kim, Y.K.; Kinoshita, K.; Kodyš, P.; Konno, T.; Korobov, A.; Korpar, S.; Kovalenko, E.; Križan, P.; Kroeger, R.; Krokovny, P.; Kuhr, T.; Kumar, M.; Kumar, R.; Kumara, K.; Kuzmin, A.; Kwon, Y.-J.; Lai, Y.T.; Lam, T.; Lange, J.S.; Laurenza, M.; Lee, S.C.; Li, C.H.; Li, J.; Li, L.K.; Li, Y.B.; Li Gioi, L.; Libby, J.; Lieret, K.; Liventsev, D.; Martini, A.; Masuda, M.; Matsuda, T.; Matvienko, D.; Meier, F.; Merola, M.; Metzner, F.; Miyabayashi, K.; Mizuk, R.; Mohanty, G.B.; Mussa, R.; Nakao, M.; Natkaniec, Z.; Natochii, A.; Nayak, L.; Nayak, M.; Niiyama, M.; Nisar, N.K.; Nishida, S.; Ogawa, K.; Ogawa, S.; Ono, H.; Oskin, P.; Pakhlov, P.; Pakhlova, G.; Pang, T.; Pardi, S.; Park, S.H.; Patra, S.; Paul, S.; Pedlar, T.K.; Pestotnik, R.; Piilonen, L.E.; Podobnik, T.; Popov, V.; Prencipe, E.; Prim, M.T.; Röhrken, M.; Rostomyan, A.; Rout, N.; Russo, G.; Sahoo, D.; Sandilya, S.; Sangal, A.; Santelj, L.; Sanuki, T.; Savinov, V.; Schnell, G.; Schwanda, C.; Seino, Y.; Senyo, K.; Sevior, M.E.; Shapkin, M.; Sharma, C.; Shiu, J.-G.; Shwartz, B.; Singh, J.B.; Sokolov, A.; Solovieva, E.; Stanič, S.; Starič, M.; Stottler, Z.S.; Strube, J.F.; Sumihama, M.; Sumiyoshi, T.; Takizawa, M.; Tamponi, U.; Tanida, K.; Tenchini, F.; Uchida, M.; Unno, Y.; Uno, K.; Uno, S.; Urquijo, P.; Usov, Y.; Van Tonder, R.; Varner, G.; Vinokurova, A.; Waheed, E.; Wang, E.; Wang, M.Z.; Watanabe, M.; Watanuki, S.; Werbycka, O.; Won, E.; Yabsley, B.D.; Yan, W.; Yang, S.B.; Ye, H.; Yelton, J.; Yuan, C.Z.; Zhai, Y.; Zhang, Z.P.; Zhilich, V.; Zhukova, V.

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Measurements of the branching fractions of $Ξ_c^0 \to ΛK_S^0$, $Ξ_c^0 \to Σ^0 K_S^0$, and $Ξ_c^0 \to Σ^+ K^-$ decays at Belle

Belle collaboration, Li, Y., Cui, J., Jia, S., Shen, C., Adachi, I., et al. (2022). Measurements of the branching fractions of $Ξ_c^0 \to ΛK_S^0$, $Ξ_c^0 \to Σ^0 K_S^0$, and $Ξ_c^0 \to Σ^+ K^-$ decays at Belle. Physical Review D, 105, L011102. Retrieved from https://publications.mppmu.mpg.de/?action=search&mpi=MPP-2022-44.

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Item Permalink: https://hdl.handle.net/21.11116/0000-000C-B4DF-E Version Permalink: https://hdl.handle.net/21.11116/0000-000C-B4E0-B

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Belle collaboration¹, Author
Li, Y.¹, Author
Cui, J.X.¹, Author
Jia, S.¹, Author
Shen, C.P.¹, Author
Adachi, I.¹, Author
Ahn, J.K.¹, Author
Aihara, H.¹, Author
Al Said, S.¹, Author
Asner, D.M.¹, Author
Atmacan, H.¹, Author
Aushev, T.¹, Author
Ayad, R.¹, Author
Babu, V.¹, Author
Bahinipati, S.¹, Author
Behera, P.¹, Author
Belous, K.¹, Author
Bennett, J.¹, Author
Bessner, M.¹, Author
Bhardwaj, V.¹, Author
Bhuyan, B.¹, AuthorBilka, T.¹, AuthorBobrov, A.¹, AuthorBodrov, D.¹, AuthorBonvicini, G.¹, AuthorBorah, J.¹, AuthorBozek, A.¹, AuthorBračko, M.¹, AuthorBranchini, P.¹, AuthorBrowder, T.E.¹, AuthorBudano, A.¹, AuthorCampajola, M.¹, AuthorČervenkov, D.¹, AuthorChang, M.C.¹, AuthorChang, P.¹, AuthorChen, A.¹, AuthorCheon, B.G.¹, AuthorChilikin, K.¹, AuthorCho, H.E.¹, AuthorCho, K.¹, AuthorCho, S.-J.¹, AuthorChoi, S.K.¹, AuthorChoi, Y.¹, AuthorChoudhury, S.¹, AuthorCinabro, D.¹, AuthorCunliffe, S.¹, AuthorDas, S.¹, AuthorDe Nardo, G.¹, AuthorDe Pietro, G.¹, AuthorDhamija, R.¹, AuthorDi Capua, F.¹, AuthorDingfelder, J.¹, AuthorDoležal, Z.¹, AuthorDong, T.V.¹, AuthorDossett, D.¹, AuthorEpifanov, D.¹, AuthorFerber, T.¹, AuthorFrey, A.¹, AuthorFulsom, B.G.¹, AuthorGarg, R.¹, AuthorGaur, V.¹, AuthorGabyshev, N.¹, AuthorGiri, A.¹, AuthorGoldenzweig, P.¹, AuthorGu, T.¹, AuthorGudkova, K.¹, AuthorHadjivasiliou, C.¹, AuthorHalder, S.¹, AuthorHartbrich, O.¹, AuthorHayasaka, K.¹, AuthorHayashii, H.¹, AuthorHedges, M.T.¹, AuthorHou, W.S.¹, AuthorHsu, C.-L.¹, AuthorIijima, T.¹, AuthorInami, K.¹, AuthorInguglia, G.¹, AuthorIshikawa, A.¹, AuthorItoh, R.¹, AuthorIwasaki, M.¹, AuthorIwasaki, Y.¹, AuthorJa obs, W.W.¹, AuthorJang, E.J.¹, AuthorJin, Y.¹, AuthorJoo, K.K.¹, AuthorKahn, J.¹, AuthorKaliyar, A.B.¹, AuthorKawasaki, T.¹, AuthorKiesling, C.¹, AuthorKim, C.H.¹, AuthorKim, D.Y.¹, AuthorKim, K.H.¹, AuthorKim, Y.K.¹, AuthorKinoshita, K.¹, AuthorKodyš, P.¹, AuthorKonno, T.¹, AuthorKorobov, A.¹, AuthorKorpar, S.¹, AuthorKovalenko, E.¹, AuthorKrižan, P.¹, AuthorKroeger, R.¹, AuthorKrokovny, P.¹, AuthorKuhr, T.¹, AuthorKumar, M.¹, AuthorKumar, R.¹, AuthorKumara, K.¹, AuthorKuzmin, A.¹, AuthorKwon, Y.-J.¹, AuthorLai, Y.T.¹, AuthorLam, T.¹, AuthorLange, J.S.¹, AuthorLaurenza, M.¹, AuthorLee, S.C.¹, AuthorLi, C.H.¹, AuthorLi, J.¹, AuthorLi, L.K.¹, AuthorLi, Y.B.¹, AuthorLi Gioi, L.¹, AuthorLibby, J.¹, AuthorLieret, K.¹, AuthorLiventsev, D.¹, AuthorMartini, A.¹, AuthorMasuda, M.¹, AuthorMatsuda, T.¹, AuthorMatvienko, D.¹, AuthorMeier, F.¹, AuthorMerola, M.¹, AuthorMetzner, F.¹, AuthorMiyabayashi, K.¹, AuthorMizuk, R.¹, AuthorMohanty, G.B.¹, AuthorMussa, R.¹, AuthorNakao, M.¹, AuthorNatkaniec, Z.¹, AuthorNatochii, A.¹, AuthorNayak, L.¹, AuthorNayak, M.¹, AuthorNiiyama, M.¹, AuthorNisar, N.K.¹, AuthorNishida, S.¹, AuthorOgawa, K.¹, AuthorOgawa, S.¹, AuthorOno, H.¹, AuthorOskin, P.¹, AuthorPakhlov, P.¹, AuthorPakhlova, G.¹, AuthorPang, T.¹, AuthorPardi, S.¹, AuthorPark, S.H.¹, AuthorPatra, S.¹, AuthorPaul, S.¹, AuthorPedlar, T.K.¹, AuthorPestotnik, R.¹, AuthorPiilonen, L.E.¹, AuthorPodobnik, T.¹, AuthorPopov, V.¹, AuthorPrencipe, E.¹, AuthorPrim, M.T.¹, AuthorRöhrken, M.¹, AuthorRostomyan, A.¹, AuthorRout, N.¹, AuthorRusso, G.¹, AuthorSahoo, D.¹, AuthorSandilya, S.¹, AuthorSangal, A.¹, AuthorSantelj, L.¹, AuthorSanuki, T.¹, AuthorSavinov, V.¹, AuthorSchnell, G.¹, AuthorSchwanda, C.¹, AuthorSeino, Y.¹, AuthorSenyo, K.¹, AuthorSevior, M.E.¹, AuthorShapkin, M.¹, AuthorSharma, C.¹, AuthorShiu, J.-G.¹, AuthorShwartz, B.¹, AuthorSingh, J.B.¹, AuthorSokolov, A.¹, AuthorSolovieva, E.¹, AuthorStanič, S.¹, AuthorStarič, M.¹, AuthorStottler, Z.S.¹, AuthorStrube, J.F.¹, AuthorSumihama, M.¹, AuthorSumiyoshi, T.¹, AuthorTakizawa, M.¹, AuthorTamponi, U.¹, AuthorTanida, K.¹, AuthorTenchini, F.¹, AuthorUchida, M.¹, AuthorUnno, Y.¹, AuthorUno, K.¹, AuthorUno, S.¹, AuthorUrquijo, P.¹, AuthorUsov, Y.¹, AuthorVan Tonder, R.¹, AuthorVarner, G.¹, AuthorVinokurova, A.¹, AuthorWaheed, E.¹, AuthorWang, E.¹, AuthorWang, M.Z.¹, AuthorWatanabe, M.¹, AuthorWatanuki, S.¹, AuthorWerbycka, O.¹, AuthorWon, E.¹, AuthorYabsley, B.D.¹, AuthorYan, W.¹, AuthorYang, S.B.¹, AuthorYe, H.¹, AuthorYelton, J.¹, AuthorYuan, C.Z.¹, AuthorZhai, Y.¹, AuthorZhang, Z.P.¹, AuthorZhilich, V.¹, AuthorZhukova, V.¹, Author more..

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1Max Planck Institute for Physics, Max Planck Society and Cooperation Partners, ou_2253650

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Abstract: Using the entire data sample of $980\mathrm{~fb}^{-1}$ collected with the Belle detector at the KEKB asymmetric-energy $e^+e^-$ collider, we present measurements of the branching fractions of the Cabibbo-favored decays $\Xi_c^0 \to \Lambda K_S^0$, $\Xi_c^0 \to \Sigma^0 K_S^0$, and $\Xi_c^0 \to \Sigma^+ K^-$. Taking the decay $\Xi_c^0 \to \Xi^- \pip$ as the normalization mode, we measure the branching fraction ratio ${\cal B}(\Xi_c^0 \to \Lambda K_S^0)/{\cal B}(\Xi_c^0 \to \Xi^- \pi^+) = 0.229\pm0.008\pm0.012$ with improved precision, and measure the branching fraction ratios ${\cal B}(\Xi_c^0 \to \Sigma^0 K_S^0)/{\cal B}(\Xi_c^0 \to \Xi^- \pi^+) = 0.038\pm0.006\pm0.004$ and ${\cal B}(\Xi_c^0 \to \Sigma^+ K^-)/{\cal B}(\Xi_c^0 \to \Xi^- \pi^+) = 0.123\pm0.007\pm0.010$ for the first time. Taking into account the branching fraction of the normalization mode, the absolute branching fractions are determined to be ${\cal B}(\Xi_c^0 \to \Lambda K_S^0) = (3.27\pm0.11\pm0.17\pm0.73) \times 10^{-3}$, ${\cal B}(\Xi_c^0 \to \Sigma^0 K_S^0) = (0.54\pm 0.09\pm 0.06\pm 0.12) \times 10^{-3}$, and ${\cal B}(\Xi_c^0 \to \Sigma^+ K^-) = (1.76\pm 0.10\pm0.14\pm 0.39) \times 10^{-3}$. The first and second uncertainties above are statistical and systematic, respectively, while the third ones arise from the uncertainty of the branching fraction of $\Xi_c^0 \to \Xi^- \pi^+$.

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Dates: Date issued: 2022

Publication Status: Issued

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Identifiers: Other: MPP-2022-44
URI: https://publications.mppmu.mpg.de/?action=search&mpi=MPP-2022-44
arXiv: arxiv:2111.08981
URI: https://inspirehep.net/literature?q=find%20eprint%202111.08981

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Title: Physical Review D

Abbreviation : Phys.Rev.D

Source Genre: Journal

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Pages: - Volume / Issue: 105 Sequence Number: - Start / End Page: L011102 Identifier: -