| Summary: | This thesis is presented in two distinct parts. In part one, the single lepton yield due to internal conversion of soft virtual photons in high energy proton-proton collisions is calculated using soft photon techniques. Photons originating in bremsstrahlung of charged hadrons, directly produced photons and interference effects are considered. The result is compared with the experimental e/ir ratio as a function of transverse momentum. In part two, a Mueller-Regge model for the process is constructed and compared with newly available inclusive cross section data. Cut corrections are required for baryon exchange by the Carlitz-Kislinger prescription for removing unobserved parity partners and accordingly absorption effects are calculated. The conventional [delta] baryon trajectory is found to be satisfactory, contrary to other reports.
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