Observable radiation zeroes in HERA interactions

Research output: Contribution to journalArticle

4 Citations (Scopus)

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

Fingerprint

Bins
Positrons
Radiation
Electrons
positrons
radiation
quarks
electrons
Colliding beam accelerators
neutral currents
interactions
antiprotons
Gages
Protons
Photons
collisions
protons
probes
photons
Experiments

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy (miscellaneous)

Cite this

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title = "Observable radiation zeroes in HERA interactions",
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).",
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Observable radiation zeroes in HERA interactions. / Doncheski, Michael; Halzen, F.

In: Zeitschrift für Physik C Particles and Fields, Vol. 52, No. 4, 01.12.1991, p. 673-676.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Observable radiation zeroes in HERA interactions

AU - Doncheski, Michael

AU - Halzen, F.

PY - 1991/12/1

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AB - 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).

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