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FIZIKA B 13 (2004) 2, 337-346
 
LEPTOPRODUCTION OF CUMULATIVE NUCLEONS
M. A. BRAUNa,b, V. V. VECHERNINa and B. VLAHOVIÆb
aDepartment of High-Energy Physics, S.Petersburg University,
S.Petersburg, Russia
bNorth Carolina Central University, Durham, USA
Received 29 August 2003; Accepted 26 April 2004
Online 14 November 2004
Leptoproduction of nucleons on nuclear targets into the backward hemisphere is studied
at relativistic subasymptotic energies and momenta. Spins are neglected. The relativistic
internucleon potential is extracted from the appropriate photoproduction data. Different
production mechanisms are shown to work together and interfere. Calculations show that
whenever rescattering is possible, it gives the bulk of the contribution, except at very
high Q2. The Weizsäcker-Williams approximation is found to generally reproduce
only a small part of the total cross-section. Comparison with the data for A(e,e¢p) reaction at E=2.4 GeV shows a reasonable agreement.
PACS number: 25.30.-c
UDC 539.12
Keywords: nucleon leptoproduction, nuclear targets, Weizsäcker-Williams approximation
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