Qualitative Aspects of Polarization Distributions In Excited Heavy Hadron Productions

Details Qualitative Aspects of Polarization Distributions In Excited Heavy Hadron Productions Qualitative Aspects of Polarization Distributions In Excited Heavy Hadron Productions

1996-09-29

arxiv.org/abs/hep-ph/9609514v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

9 pages in REVTeX, no figures

Scientific paper

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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