• The proton electromagnetic form factorF2 and quark orbital angular momentum

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    • Keywords


      Protein; electromagnetic form factors; perturbative QCD; quark orbital angular momentum

    • Abstract


      We analyse the proton electromagnetic form factor ratioR(Q2) =QF2(Q2)/F1(Q2) as a function of momentum transferQ2 within perturbative QCD. We find that the prediction for (R(Q2) at large momentum transferQ depends on the exclusive quark wave functions, which are unknown. For a wide range of wave functions we find thatQF2F1 ∼ const. at large momentum transfer, which is in agreement with recent JLAB data.

    • Author Affiliations


      Pankaj Jain1 John P Ralston2

      1. Physics Department, Indian Institute of Technology, Kanpur - 208 016, India
      2. Department of Physics and Astronomy, University of Kansas, Lawrence, KS - 66045, USA
    • Dates

  • Pramana – Journal of Physics | News

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      Posted on July 25, 2019

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