Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1999-04-29
Phys.Rev. D60 (1999) 114016
Physics
High Energy Physics
High Energy Physics - Phenomenology
16 pages, revised to clarify some points and to improve and correct the notation for the flux tube wave functions
Scientific paper
10.1103/PhysRevD.60.114016
Flux tube zero-point motion produces quark displacements transverse to the flux tube which make significant contributions to hadronic charge radii. In heavy quark systems, these contributions can be related by Bjorken's sum rule to the rates for semileptonic decay to hybrid mesons. This connection can be generalized to other leptoproduction processes, where transverse contributions to elastic form factor slopes are related to the cross sections for the production of the associated hybrid states. I identify the flux tube overlap integral responsible for these effects as the strong QCD analogue of the Sudakov form factor of perturbative QCD.
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