 
Summary: Nuclear Physics B176 (1980) 373378
0 NorthHolland Publishing Company
HEAVY QUARKS IN ELECT'ROPRODUCTION*
L. F. ABBOTT'
Department of Physics, Brat&is University, Waltham, Massachuseiis 02254, USA
Mark B. WISE*
Stanford Linear Accelerator Center, Stanford Uniwrsi@, Stanford California 94305, USA
Received 11 July 1980
The idea of an effective lightparticle field theory is used to analyze the effects of heavy
quarks in electroproduction. The bquark distribution is predicted at large Qz and a systematic
treatment of the changing number of quark flavors in a QCD analysis of F2 is presented.
The concept of an effective lightparticle field theory has proven useful for
calculations in grand unified theories [l] and in nonleptonic weak decays [2]. In
this paper the effective field theory approach is applied to compute heavy particle
effects in deep inelastic scattering. This approach was first discussed by Witten
Pal **in a moment analysis of charm quark effects. Here we will discuss b and t
quarks using an equivalent but more intuitive method which involves dealing
directly with the structure functions themselves. We will derive, using the leading
logarithmic approximation, predictions for the bquark momentum distribution at
Q2>mt utilizing data from the region mf < Q2 < mi. These predictions are
