The pion form factor: Sudakov suppressions and intrinsic transverse momentum

Details The pion form factor: Sudakov suppressions and intrinsic transverse momentum The pion form factor: Sudakov suppressions and intrinsic transverse momentum

1993-06-11

arxiv.org/abs/hep-ph/9306259v1

Phys.Lett. B315 (1993) 463-470; Erratum-ibid. B319 (1993) 545

Physics

High Energy Physics

High Energy Physics - Phenomenology

LaTeX, 12 pages, 3 figures included with epsf-style option (postscript files added as uuencoded tar-compressed file), CERN-TH.

Scientific paper

10.1016/0370-2693(93)91770-N

It is demonstrated that any attempt to calculate the perturbative QCD
contribution to the pion form factor requires the inclusion of intrinsic
transverse momentum besides Sudakov form factors. For momentum transfers of the
order of a few GeV the intrinsic transverse momentum leads to a substantial
suppression of the perturbative QCD contribution.

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