Colour Screening, Quark Propagation in Nuclear Matter and the Broadening of the Momentum Distribution of Drell-Yan Pairs

Details Colour Screening, Quark Propagation in Nuclear Matter and the Broadening of the Momentum Distribution of Drell-Yan Pairs Colour Screening, Quark Propagation in Nuclear Matter and the Broadening of the Momentum Distribution of Drell-Yan Pairs

1993-05-11

arxiv.org/abs/hep-ph/9305238v1

Phys.Lett. B312 (1993) 235-239

Physics

High Energy Physics

High Energy Physics - Phenomenology

LaTex file, 7 pages + 2 figs (not included, available by fax) Heidelberg , HD-TVP-93-5

Scientific paper

10.1016/0370-2693(93)90517-L

We calculate the broadening of the transverse momentum distribution of a quark propagating through nuclear matter. Colour screening plays a fundamental role in that it cuts off quark-nucleon interactions with soft gluons. The mean transverse momentum of the quark acquired along its trajectory, observed via Drell-Yan pairs, is related to it the ratio of the total inelastic meson-nucleon cross section it to the meson mean squared radius. Parameter-free calculations agree with the data.

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