Photon structure functions for massive quarks

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Photon structure functions for massive quarks (i.e. i=Q-c, b, . . .) should be suppressed compared to fu,d,s gamma / by the screening of the evolution up to the scale Q2=Q02 of order of the heavy flavour mass-squared,/sup /mQ2. Contrary to light quarks, one can safely ignore the non-point-like hadronic contributions for photon structure functions of massive quarks since the effect of VMD for photon structure functions rapidly decreases as Q2 (or m Q2) increases, i.e. Q2>>m rho2.

Original languageEnglish
Article number022
Pages (from-to)1599-1602
Number of pages4
JournalJournal of Physics G: Nuclear and Particle Physics
Issue number10
Publication statusPublished - 1991

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics


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