The proton Dirac form factor is calculated using the modified factorization formula proposed by Li and Sterman, which takes into account Sudakov suppression of elastic scattering for soft gluon exchange. The results for ΛQCD=0.1-0.2 GeV are in good agreement with experimental data above the energy scale of 3 GeV. The calculation involves no phenomenological parameters such as a gluon mass and the conclusions are insensitive to different models of wave functions.
No takes yet. Share an insight, caveat, or question.
Hsiang-nan Li (1993) studied this question.
Synapse has enriched 2 closely related papers on similar clinical questions. Consider them for comparative context: