High Energy Quark-Antiquark Elastic scattering with Mesonic Exchange

Details High Energy Quark-Antiquark Elastic scattering with Mesonic Exchange High Energy Quark-Antiquark Elastic scattering with Mesonic Exchange

1993-04-24

arxiv.org/abs/hep-ph/9304297v1

Phys.Rev. D48 (1993) 2019-2026

Physics

High Energy Physics

High Energy Physics - Phenomenology

29 pages

Scientific paper

10.1103/PhysRevD.48.2019

We studies the high energy elastic scattering of quark anti-quark with an exchange of a mesonic state in the $t$ channel with $-t/\Lambda^{2} \gg 1$. Both the normalization factor and the Regge trajectory can be calculated in PQCD in cases of fixed (non-running) and running coupling constant. The dependence of the Regge trajectory on the coupling constant is highly non-linear and the trajectory is of order of $0.2$ in the interesting physical range.

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