Regge and parton models for photon-photon annihilation

T. F. Walsh

Research output: Contribution to journalArticlepeer-review

6 Scopus citations


We discuss some of the questions which can be investigated in the two-photon part of e-+e-→e-+e-+hadrons when the electrons are scattered at finite momentum transfer. Discrimination of Regge and parton models for this process is possible in principle by studying the transverse helicity amplitudes. In some parton models the amplitudes are predicted exactly for limits where s=(q1+q2)2 and |q12| and |q22| all approach infinity with constant ratios; this is a new sort of scaling limit, inaccessible in inelastic electron-proton scattering.

Original languageEnglish (US)
Pages (from-to)2152-2156
Number of pages5
JournalPhysical Review D
Issue number7
StatePublished - 1973


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