Heavy Quark Effects in the Virtual Photon Structure Functions

作者：Kitadono Yoshio^*; Sasaki Ken; Ueda Takahiro; Uematsu Tsuneo

来源：Progress of Theoretical Physics, 2009, 121(3): 495-510.

DOI：10.1143/ptp.121.495

We investigate the heavy quark mass effects in the virtual photon structure functions F(2)(gamma)(x, Q(2), P(2)) and F(L)(gamma)(x, Q(2), P(2)) in the framework of the mass- independent renormalization group equation (RCE). We study a formalism in which the heavy quark mass effects are treated based on parton picture as well as on the operator product expansion (OPE), and perform the numerical evaluation of F(eff)(gamma)(x, Q(2), P(2)) to the next-leading order (NLO) in QCD.

• 出版日期2009-3