Multigluon helicity amplitudes involving a quark loop

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Abstract

We apply the solution to the recursion relation for the double-off-shell quark current to the problem of computing one-loop amplitudes with an arbitrary number of gluons. We are able to compute amplitudes for photon-gluon scattering, electron-positron annihilation to gluons, and gluon-gluon scattering via a quark loop in the case of like-helicity gluons. In addition, we present the result for the one-loop gluon-gluon scattering amplitude when one of the gluons has opposite helicity from the others.

Original languageEnglish (US)
Pages (from-to)4438-4453
Number of pages16
JournalPhysical Review D
Volume49
Issue number9
DOIs
StatePublished - 1994

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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