Polarization properties of diffractively produced Λ_c^+

Details Polarization properties of diffractively produced Λ_c^+ Polarization properties of diffractively produced Λ_c^+

1998-11-21

arxiv.org/abs/hep-ph/9811429v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages, 4 figures. Talk at 13th Int. Symp. on High Energy Spin Physics, Protvino, Sept. 1998

Scientific paper

The Pomeron-gluon-gluon interaction is considered in the QCD-based model for the charmed baryon production in the process Pomeron + p --> \Lambda_c^+ + X. The polarization of the produced heavy quark is induced effectively through the non-perturbative long-range interaction with the gluon field of the type [sigma*rotA]. The x_F-dependence of \Lambda_c^+ polarization, P_(x_F,p_T), has been studied. Its absolute value depends on the model parameter a and it appears to be sizeable in the wide range of a values: when a ranges from 0.1 to 1.0, the polarization P(x_F,p_T) varies from --0.2 to --0.5 at x_F ~ 0.5 and p_T in the interval 1 - 2 GeV/c.

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