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Measurements of absolute branching fractions for And Ξ(1530)

descriptionPublicationkeyboard_double_arrow_right Article 22 Jun 2018 English Elsevier

Authors: Ablikim, M.; Achasov, M.N.; Ahmed, S.; Albrecht, M.; Alekseev, M.; Amoroso, A.; An, F.F.; +193 Authors

Ablikim, M.; Achasov, M.N.; Ahmed, S.; Albrecht, M.; Alekseev, M.; Amoroso, A.; An, F.F.; An, Q.; Bai, J.Z.; Bai, Y.; Bakina, O.; Baldini Ferroli, R.; Ban, Y.; Bennett, D.W.; Bennett, J.V.; Berger, N.; Bertani, M.; Bettoni, D.; Bianchi, F.; Boger, E.; Boyko, I.; Briere, R.A.; Cai, H.; Cai, X.; Cakir, O.; Calcaterra, A.; Cao, G.F.; Cetin, S.A.; Chai, J.; Chang, J.F.; Chelkov, G.; Chen, G.; Chen, H.S.; Chen, J.C.; Chen, M.L.; Chen, P.L.; Chen, S.J.; Chen, X.R.; Chen, Y.B.; Chu, X.K.; Cibinetto, G.; Cossio, F.; Dai, H.L.; Dai, J.P.; Dbeyssi, A.; Dedovich, D.; Deng, Z.Y.; Denig, A.; Denysenko, I.; Destefanis, M.; De Mori, F.; Ding, Y.; Dong, C.; Dong, J.; Dong, L.Y.; Dong, M.Y.; Dou, Z.L.; Du, S.X.; Duan, P.F.; Fang, J.; Fang, S.S.; Fang, Y.; Farinelli, R.; Fava, L.; Fegan, S.; Feldbauer, F.; Felici, G.; Feng, C.Q.; Fioravanti, E.; Fritsch, M.; Fu, C.D.; Gao, Q.; Gao, X.L.; Gao, Y.; Gao, Y.G.; Gao, Z.; Garillon, B.; Garzia, I.; Goetzen, K.; Gong, L.; Gong, W.X.; Gradl, W.; Greco, M.; Gu, M.H.; Gu, Y.T.; Guo, A.Q.; Guo, R.P.; Guo, Y.P.; Haddadi, Z.; Han, S.; Hao, X.Q.; Harris, F.A.; He, K.L.; He, X.Q.; Heinsius, F.H.; Held, T.; Heng, Y.K.; Holtmann, T.; Hou, Z.L.; Hu, H.M.; Hu, J.F.; Hu, T.; Hu, Y.; Huang, G.S.; Huang, J.S.; Huang, X.T.; Huang, X.Z.; Huang, Z.L.; Hussain, T.; Ikegami Andersson, W.; Ji, Q.; Ji, Q.P.; Ji, X.B.; Ji, X.L.; Jiang, X.S.; Jiang, X.Y.; Jiao, J.B.; Jiao, Z.; Jin, D.P.; Jin, S.; Jin, Y.; Johansson, T.; Julin, A.; Kalantar-Nayestanaki, N.; Kang, X.S.; Kavatsyuk, M.; Ke, B.C.; Khan, T.; Khoukaz, A.; Kiese, P.; Kliemt, R.; Koch, L.; Kolcu, O.B.; Kopf, B.; Kornicer, M.; Kuemmel, M.; Kuessner, M.; Kuhlmann, M.; Kupsc, A.; Kühn, W.; Lange, J.S.; Lara, M.; Larin, P.; Lavezzi, L.; Leithoff, H.; Leng, C.; Li, C.; Li, Cheng; Li, D.M.; Li, F.; Li, F.Y.; Li, G.; Li, H.B.; Li, H.J.; Li, J.C.; Li, Jin; Li, K.J.; Li, Kang; Li, Ke; Li, Lei; Li, P.L.; Li, P.R.; Li, Q.Y.; Li, W.D.; Li, W.G.; Li, X.L.; Li, X.N.; Li, X.Q.; Li, Z.B.; Liang, H.; Liang, Y.F.; Liang, Y.T.; Liao, G.R.; Libby, J.; Lin, D.X.; Liu, B.; Liu, B.J.; Liu, C.X.; Liu, D.; Liu, F.H.; Liu, Fang; Liu, Feng; Liu, H.B.; Liu, H.M.; Liu, Huanhuan; Liu, Huihui; Liu, J.B.; Liu, J.Y.; Liu, K.; Liu, K.Y.; Liu, Ke; Liu, L.D.; Liu, Q.; Liu, S.B.; Liu, X.; Liu, Y.B.; Liu, Z.A.; Liu, Zhiqing; Long, Y.F.; Lou, X.C.;

Measurements of absolute branching fractions for And Ξ(1530)

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Abstract

We report the first measurements of absolute branching fractions for the W-exchange-only processes Λc+→Ξ0K+ and Λc+→Ξ(1530)0K+ with the double-tag technique, by analyzing an e+e− collision data sample, that corresponds to an integrated luminosity of 567 pb$^{−1}$ collected at a center-of-mass energy of 4.6 GeV by the BESIII detector. The branching fractions are measured to be B(Λc+→Ξ0K+)=(5.90±0.86±0.39)×10−3 and B(Λc+→Ξ(1530)0K+)=(5.02±0.99±0.31)×10−3, where the first uncertainties are statistical and the second systematic. Our results are more precise than the previous relative measurements.

31 references, page 1 of 4

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Measurements of absolute branching fractions for And Ξ(1530)

Measurements of absolute branching fractions for And Ξ(1530)

31 references, page 1 of 4

1 Research products, page 1 of 1

Resolving puzzle in With Mixing Spectrum Within the Quark Model