Study of the Effective Transverse Momentum of Partons in the Proton Using Prompt Photons in Photoproduction at HERA

ZEUS Collaboration

doi:10.1016/S0370-2693(01)00615-3

Study of the Effective Transverse Momentum of Partons in the Proton Using Prompt Photons in Photoproduction at HERA

ZEUS Collaboration

Department of Physics

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Abstract

The photoproduction of prompt photons, together with an accompanying jet, has been measured with the ZEUS detector at HERA using an integrated luminosity of 38.6 pb-1. A study of the effective transverse momentum, (kT), of partons in the proton, as modelled within the framework of the PYTHIA Monte Carlo, gives a value of (kT) = 1.69 ± 0.18 -0.20 +0.18 GeV for the γp centre-of-mass energy range 134 < W < 251 GeV. This result is in agreement with the previously observed trend in hadron-hadron scattering for (kT) to rise with interaction energy. © 2001 Elsevier Science B.V.

Original language	American English
Pages (from-to)	19-32
Journal	Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume	511
Issue number	1
DOIs	https://doi.org/10.1016/S0370-2693(01)00615-3
State	Published - Jun 28 2001

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Physics

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title = "Study of the Effective Transverse Momentum of Partons in the Proton Using Prompt Photons in Photoproduction at HERA",

abstract = "The photoproduction of prompt photons, together with an accompanying jet, has been measured with the ZEUS detector at HERA using an integrated luminosity of 38.6 pb-1. A study of the effective transverse momentum, (kT), of partons in the proton, as modelled within the framework of the PYTHIA Monte Carlo, gives a value of (kT) = 1.69 ± 0.18 -0.20 +0.18 GeV for the γp centre-of-mass energy range 134 < W < 251 GeV. This result is in agreement with the previously observed trend in hadron-hadron scattering for (kT) to rise with interaction energy. {\textcopyright} 2001 Elsevier Science B.V.",

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

year = "2001",

month = jun,

day = "28",

doi = "10.1016/S0370-2693(01)00615-3",

language = "American English",

volume = "511",

pages = "19--32",

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

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T1 - Study of the Effective Transverse Momentum of Partons in the Proton Using Prompt Photons in Photoproduction at HERA

AU - ZEUS Collaboration

AU - Mattingly, Margarita C. K.

PY - 2001/6/28

Y1 - 2001/6/28

N2 - The photoproduction of prompt photons, together with an accompanying jet, has been measured with the ZEUS detector at HERA using an integrated luminosity of 38.6 pb-1. A study of the effective transverse momentum, (kT), of partons in the proton, as modelled within the framework of the PYTHIA Monte Carlo, gives a value of (kT) = 1.69 ± 0.18 -0.20 +0.18 GeV for the γp centre-of-mass energy range 134 < W < 251 GeV. This result is in agreement with the previously observed trend in hadron-hadron scattering for (kT) to rise with interaction energy. © 2001 Elsevier Science B.V.

AB - The photoproduction of prompt photons, together with an accompanying jet, has been measured with the ZEUS detector at HERA using an integrated luminosity of 38.6 pb-1. A study of the effective transverse momentum, (kT), of partons in the proton, as modelled within the framework of the PYTHIA Monte Carlo, gives a value of (kT) = 1.69 ± 0.18 -0.20 +0.18 GeV for the γp centre-of-mass energy range 134 < W < 251 GeV. This result is in agreement with the previously observed trend in hadron-hadron scattering for (kT) to rise with interaction energy. © 2001 Elsevier Science B.V.

UR - https://digitalcommons.andrews.edu/pubs/2218

U2 - 10.1016/S0370-2693(01)00615-3

DO - 10.1016/S0370-2693(01)00615-3

M3 - Article

VL - 511

SP - 19

EP - 32

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

ER -

Study of the Effective Transverse Momentum of Partons in the Proton Using Prompt Photons in Photoproduction at HERA

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