4.7 Article

Λb → π-(DS-) ΛC(2595), π-(DS-) ΛC(2625) decays and DN, D*N molecular components

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EUROPEAN PHYSICAL JOURNAL C
卷 77, 期 1, 页码 -

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SPRINGER
DOI: 10.1140/epjc/s10052-017-4602-6

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资金

  1. National Natural Science Foundation of China [11565007, 11547307, 11647309]
  2. Spanish Ministerio de Economia y Competitividad [FIS2011-28853-C02-01, FIS2011-28853-C02-02, FIS2014-57026-REDT, FIS2014-51948-C2- 1-P, FIS2014-51948-C2-2-P]
  3. European FEDER funds [FIS2011-28853-C02-01, FIS2011-28853-C02-02, FIS2014-57026-REDT, FIS2014-51948-C2- 1-P, FIS2014-51948-C2-2-P]
  4. Generalitat Valenciana in the program Prometeo [II-2014/068]

向作者/读者索取更多资源

From the perspective that Lambda(C)(2595) and Lambda(C)(2625) are dynamically generated resonances from the DN, D*N interaction and coupled channels, we have evaluated the rates for Lambda(b) -> pi(-)Lambda(C)(2595) and Lambda(b) -> pi(-)Lambda(C)(2625) up to a global unknown factor that allows us to calculate the ratio of rates and compare with experiment, where good agreement is found. Similarly, we can also make predictions for the ratio of rates of the, yet unknown, decays of Lambda(b) -> D-s(-)Lambda(C)(2595) and Lambda(b) -> D-s(-)Lambda(c)(2625) and make estimates for their individual branching fractions.

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