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Qualitative Aspects of Polarization Distributions In Excited Heavy Hadron Productions

Authors
  • Chow, Chi-Keung
Type
Preprint
Publication Date
Sep 29, 1996
Submission Date
Sep 29, 1996
Identifiers
arXiv ID: hep-ph/9609514
Source
arXiv
License
Unknown
External links

Abstract

Within the context of flux tube models, heavy quark fragmentation takes place through the breaking of flux tubes with the production of a (di)quark-anti(di)quark pair. It is found that the (di)quark produced are more likely to be found in an $L_z=0$ state. This naturally leads to an supression of the polarization distribution parameters $w_{3/2}$ and $\tilde w_1$ for $(D_1, D_2^*)$ and $(\Lambda_{c1}, \Lambda_{c1}^*)$ production respectively. The corresponding parameter $w_1$ for $(\Sigma_c, \Sigma_c^*)$ production, however, is not suppressed, in agreement with the CLEO results but not the DELPHI one. Implications on the measurements of $\Lambda_Q$ polarizations are discussed.

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