Observable radiation zeroes in HERA interactions

Research output: Contribution to journalArticle

4 Scopus citations

Abstract

Radiation zeroes were discovered over 10 years ago and heralded as a direct probe of gauge couplings and fractional quark charges. Observations of such zeroes have eluded proton-antiproton collider experiments so far. We here point out that radiation zeroes appear in electron-quark collisions and conclude that they should be observable at HERA in the subprocess eq→eqγ. Choosing suitable cuts, we expect 660 (430) events/year in the electron (positron) channel of the neutral current single jet plus direct photon events at HERA, i.e. we expect 12 (4) events/bin/year in the electron (positron) channel over a large fraction of the range of cosλγ (10 of the 30 bins we use).

Original languageEnglish (US)
Pages (from-to)673-676
Number of pages4
JournalZeitschrift für Physik C Particles and Fields
Volume52
Issue number4
DOIs
StatePublished - Dec 1 1991

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

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