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    • Ratio of the color suppressed decays Λb→ΛJ/ψ andB0→KJ/ψ

      A K Giri R Mohanta

      Volume 50 Issue 2 February 1998 pp 155-162

    • Fulltext

       

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      Permanent link:
      https://www.ias.ac.in/article/fulltext/pram/050/02/0155-0162

    • Keywords

       

      Factorization approximation; heavy quark effective theory; Isgur-Wise function

    • Abstract

       

      Based on the factorization approximation, we have estimated the ratio of the branching fractions for the color suppressed nonleptonic decays Λb→ΛJ/ψ andB0→KJ/ψ. Treating thes-quark as heavy, we have used the HQET to calculate the hadronic matrix elements. The mesonic Isgur-Wise function is calculated in the quark model whereas for the baryonic IW function we have employed the bound state soliton picture. The results obtained agree very well with the recent CDF experimental data.

    • Author Affiliations

       

      A K Giri1 R Mohanta1

      1. Physics Department, Utkal University, Bhubaneswar - 751 004, India

    • Dates

       
      Published
      February 1998
      Manuscript received
      5 April 1997
      Manuscript revised
      4 December 1997

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