Abstract

The b -> c cbar s transition is usually believed to hadronize predominantly in Bbar -> X_c Ds(*)- with the Ds(*)- originating from the virtual W. We demonstrate in a variety of independent ways that other hadronization processes cannot be neglected. The invariant mass of cbar s has sizable phase-space beyond m_D+m_K. The rate for Bbar -> D Dbar Kbar X could be significant and should not be ignored as was done in previous experimental analyses. We estimate the number of charmed hadrons per B-decay, n_c, to be about 1.3 to higher accuracy than obtained in previous investigations. Even though n_c is currently measured to be about 1.1, observing a significant Bbar -> D Dbar Kbar X would support n_c of about 1.3. Many testable consequences result, some of which we discuss.

Keywords

HadronizationHadronInvariant (physics)Variety (cybernetics)Space (punctuation)Invariant massBar (unit)PhysicsMaterials scienceNuclear physicsMathematicsStatisticsComputer scienceMathematical physics

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Year
1995
Type
preprint
Citations
18
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Gerhard Buchalla, Isard Dunietz, H. Yamamoto (1995). Hadronization of $b\to c\bar cs$. arXiv (Cornell University) . https://doi.org/10.48550/arxiv.hep-ph/9507437

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DOI
10.48550/arxiv.hep-ph/9507437