Measurement of the inclusive isolated prompt photon cross-section in pp collisions at root s=7 TeV using 35 pb(-1) of ATLAS data

G. Aad...[et al.]; B. Abbott; J. Abdallah; Mogens Dam; Jørgen Beck Hansen; Jørn Dines Hansen; John Renner Hansen; Peter Henrik Hansen; Esben Bryndt Klinkby; Morten Dam Jørgensen; Troels Christian Petersen; Stefania Xella; Nele Maria Philomena Boelaert; Thomas Høvring Kittelmann

doi:10.1016/j.physletb.2011.11.010

Measurement of the inclusive isolated prompt photon cross-section in pp collisions at root s=7 TeV using 35 pb(-1) of ATLAS data

G. Aad...[et al.], B. Abbott, J. Abdallah, Mogens Dam, Jørgen Beck Hansen, Jørn Dines Hansen, John Renner Hansen, Peter Henrik Hansen, Esben Bryndt Klinkby, Morten Dam Jørgensen, Troels Christian Petersen, Stefania Xella, Nele Maria Philomena Boelaert, Thomas Høvring Kittelmann

61 Citations (Scopus)

Abstract

A measurement of the differential cross-section for the inclusive production of isolated prompt photons in pp collisions at a center-of-mass energy √s=7 TeV is presented. The measurement covers the pseudorapidity ranges |η|<1.37 and 1.52≤|η|<2.37 in the transverse energy range 45≤E_T<400 GeV. The results are based on an integrated luminosity of 35 pb^-1, collected with the ATLAS detector at the LHC. The yields of the signal photons are measured using a data-driven technique, based on the observed distribution of the hadronic energy in a narrow cone around the photon candidate and the photon selection criteria. The results are compared with next-to-leading order perturbative QCD calculations and found to be in good agreement over four orders of magnitude in cross-section.

Original language	English
Journal	Physics Letters B
Volume	706
Issue number	2-3
Pages (from-to)	150-167
ISSN	0370-2693
DOIs	https://doi.org/10.1016/j.physletb.2011.11.010
Publication status	Published - 6 Dec 2011

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Aad...[et al.], G., Abbott, B., Abdallah, J., Dam, M., Hansen, J. B., Hansen, J. D., Hansen, J. R., Hansen, P. H., Klinkby, E. B., Jørgensen, M. D., Petersen, T. C., Xella, S., Boelaert, N. M. P., & Kittelmann, T. H. (2011). Measurement of the inclusive isolated prompt photon cross-section in pp collisions at root s=7 TeV using 35 pb(-1) of ATLAS data. Physics Letters B, 706(2-3), 150-167. https://doi.org/10.1016/j.physletb.2011.11.010

Aad...[et al.], G, Abbott, B, Abdallah, J, Dam, M , Hansen, JB , Hansen, JD , Hansen, JR , Hansen, PH, Klinkby, EB, Jørgensen, MD, Petersen, TC , Xella, S, Boelaert, NMP & Kittelmann, TH 2011, 'Measurement of the inclusive isolated prompt photon cross-section in pp collisions at root s=7 TeV using 35 pb(-1) of ATLAS data', Physics Letters B, vol. 706, no. 2-3, pp. 150-167. https://doi.org/10.1016/j.physletb.2011.11.010

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title = "Measurement of the inclusive isolated prompt photon cross-section in pp collisions at root s=7 TeV using 35 pb(-1) of ATLAS data",

abstract = "A measurement of the differential cross-section for the inclusive production of isolated prompt photons in pp collisions at a center-of-mass energy √s=7 TeV is presented. The measurement covers the pseudorapidity ranges |η|<1.37 and 1.52≤|η|<2.37 in the transverse energy range 45≤ET<400 GeV. The results are based on an integrated luminosity of 35 pb-1, collected with the ATLAS detector at the LHC. The yields of the signal photons are measured using a data-driven technique, based on the observed distribution of the hadronic energy in a narrow cone around the photon candidate and the photon selection criteria. The results are compared with next-to-leading order perturbative QCD calculations and found to be in good agreement over four orders of magnitude in cross-section.",

author = "{Aad...[et al.]}, G. and B. Abbott and J. Abdallah and Mogens Dam and Hansen, {J{\o}rgen Beck} and Hansen, {J{\o}rn Dines} and Hansen, {John Renner} and Hansen, {Peter Henrik} and Klinkby, {Esben Bryndt} and J{\o}rgensen, {Morten Dam} and Petersen, {Troels Christian} and Stefania Xella and Boelaert, {Nele Maria Philomena} and Kittelmann, {Thomas H{\o}vring}",

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T1 - Measurement of the inclusive isolated prompt photon cross-section in pp collisions at root s=7 TeV using 35 pb(-1) of ATLAS data

AU - Aad...[et al.], G.

AU - Abbott, B.

AU - Abdallah, J.

AU - Dam, Mogens

AU - Hansen, Jørgen Beck

AU - Hansen, Jørn Dines

AU - Hansen, John Renner

AU - Hansen, Peter Henrik

AU - Klinkby, Esben Bryndt

AU - Jørgensen, Morten Dam

AU - Petersen, Troels Christian

AU - Xella, Stefania

AU - Boelaert, Nele Maria Philomena

AU - Kittelmann, Thomas Høvring

PY - 2011/12/6

Y1 - 2011/12/6

N2 - A measurement of the differential cross-section for the inclusive production of isolated prompt photons in pp collisions at a center-of-mass energy √s=7 TeV is presented. The measurement covers the pseudorapidity ranges |η|<1.37 and 1.52≤|η|<2.37 in the transverse energy range 45≤ET<400 GeV. The results are based on an integrated luminosity of 35 pb-1, collected with the ATLAS detector at the LHC. The yields of the signal photons are measured using a data-driven technique, based on the observed distribution of the hadronic energy in a narrow cone around the photon candidate and the photon selection criteria. The results are compared with next-to-leading order perturbative QCD calculations and found to be in good agreement over four orders of magnitude in cross-section.

AB - A measurement of the differential cross-section for the inclusive production of isolated prompt photons in pp collisions at a center-of-mass energy √s=7 TeV is presented. The measurement covers the pseudorapidity ranges |η|<1.37 and 1.52≤|η|<2.37 in the transverse energy range 45≤ET<400 GeV. The results are based on an integrated luminosity of 35 pb-1, collected with the ATLAS detector at the LHC. The yields of the signal photons are measured using a data-driven technique, based on the observed distribution of the hadronic energy in a narrow cone around the photon candidate and the photon selection criteria. The results are compared with next-to-leading order perturbative QCD calculations and found to be in good agreement over four orders of magnitude in cross-section.

U2 - 10.1016/j.physletb.2011.11.010

DO - 10.1016/j.physletb.2011.11.010

M3 - Journal article

SN - 0370-2693

VL - 706

SP - 150

EP - 167

JO - Physics Letters B

JF - Physics Letters B

IS - 2-3

ER -

Measurement of the inclusive isolated prompt photon cross-section in pp collisions at root s=7 TeV using 35 pb(-1) of ATLAS data

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