Measurement of Inclusive Prompt Photon Photoproduction at HERA

ZEUS Collaboration

doi:10.1016/S0370-2693(99)01450-1

Measurement of Inclusive Prompt Photon Photoproduction at HERA

ZEUS Collaboration

Department of Physics

Research output: Contribution to journal › Article › peer-review

Abstract

First inclusive measurements of isolated prompt photons in photoproduction at the HERA ep collider have been made with the ZEUS detector, using an integrated luminosity of 38.4 pb-1. Cross sections are given as a function of the pseudorapidity and the transverse energy (ηγ, Eγ . of the photon, for E>5 GeV in the γ p centre-of-mass energy range T T 134-285 GeV. Comparisons are made with predictions from Monte Carlo models having leading-logarithm parton showers, and with next-To-leading-order QCD calculations, using currently available parameterisations of the photon structure. For forward ηγ (proton direction. good agreement is found, but in the rear direction all predictions fall below the data. © 2000 Published by Elsevier Science B.V. All rights reserved.

Original language	American English
Pages (from-to)	175-188
Journal	Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume	472
Issue number	1-2
DOIs	https://doi.org/10.1016/S0370-2693(99)01450-1
State	Published - Jan 13 2000

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Physics

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title = "Measurement of Inclusive Prompt Photon Photoproduction at HERA",

abstract = "First inclusive measurements of isolated prompt photons in photoproduction at the HERA ep collider have been made with the ZEUS detector, using an integrated luminosity of 38.4 pb-1. Cross sections are given as a function of the pseudorapidity and the transverse energy (ηγ, Eγ . of the photon, for E>5 GeV in the γ p centre-of-mass energy range T T 134-285 GeV. Comparisons are made with predictions from Monte Carlo models having leading-logarithm parton showers, and with next-To-leading-order QCD calculations, using currently available parameterisations of the photon structure. For forward ηγ (proton direction. good agreement is found, but in the rear direction all predictions fall below the data. {\textcopyright} 2000 Published by Elsevier Science B.V. All rights reserved.",

author = "\{ZEUS Collaboration\} and Mattingly, \{Margarita C. K.\}",

year = "2000",

month = jan,

day = "13",

doi = "10.1016/S0370-2693(99)01450-1",

language = "American English",

volume = "472",

pages = "175--188",

journal = "Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics",

number = "1-2",

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TY - JOUR

T1 - Measurement of Inclusive Prompt Photon Photoproduction at HERA

AU - ZEUS Collaboration

AU - Mattingly, Margarita C. K.

PY - 2000/1/13

Y1 - 2000/1/13

N2 - First inclusive measurements of isolated prompt photons in photoproduction at the HERA ep collider have been made with the ZEUS detector, using an integrated luminosity of 38.4 pb-1. Cross sections are given as a function of the pseudorapidity and the transverse energy (ηγ, Eγ . of the photon, for E>5 GeV in the γ p centre-of-mass energy range T T 134-285 GeV. Comparisons are made with predictions from Monte Carlo models having leading-logarithm parton showers, and with next-To-leading-order QCD calculations, using currently available parameterisations of the photon structure. For forward ηγ (proton direction. good agreement is found, but in the rear direction all predictions fall below the data. © 2000 Published by Elsevier Science B.V. All rights reserved.

AB - First inclusive measurements of isolated prompt photons in photoproduction at the HERA ep collider have been made with the ZEUS detector, using an integrated luminosity of 38.4 pb-1. Cross sections are given as a function of the pseudorapidity and the transverse energy (ηγ, Eγ . of the photon, for E>5 GeV in the γ p centre-of-mass energy range T T 134-285 GeV. Comparisons are made with predictions from Monte Carlo models having leading-logarithm parton showers, and with next-To-leading-order QCD calculations, using currently available parameterisations of the photon structure. For forward ηγ (proton direction. good agreement is found, but in the rear direction all predictions fall below the data. © 2000 Published by Elsevier Science B.V. All rights reserved.

UR - https://digitalcommons.andrews.edu/pubs/2661

U2 - 10.1016/S0370-2693(99)01450-1

DO - 10.1016/S0370-2693(99)01450-1

M3 - Article

VL - 472

SP - 175

EP - 188

JO - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

JF - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

IS - 1-2

ER -

Measurement of Inclusive Prompt Photon Photoproduction at HERA

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