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Measurement of prompt photon production in √sNN=8.16 TeV p + Pb collisions with ATLAS

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Measurement of prompt photon production in √sNN=8.16 TeV p + Pb collisions with ATLAS. / Collaboration, ATLAS; Barton, A.E.; Bertram, I.A. et al.
In: Physics Letters B, Vol. 796, 10.09.2019, p. 230-252.

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Collaboration ATLAS, Barton AE, Bertram IA, Borissov G, Bouhova-Thacker EV, Fox H et al. Measurement of prompt photon production in √sNN=8.16 TeV p + Pb collisions with ATLAS. Physics Letters B. 2019 Sept 10;796:230-252. doi: 10.1016/j.physletb.2019.07.031

Author

Collaboration, ATLAS ; Barton, A.E. ; Bertram, I.A. et al. / Measurement of prompt photon production in √sNN=8.16 TeV p + Pb collisions with ATLAS. In: Physics Letters B. 2019 ; Vol. 796. pp. 230-252.

Bibtex

@article{f0e15c0b65114e26aa0030f308ce4c4f,
title = "Measurement of prompt photon production in √sNN=8.16 TeV p + Pb collisions with ATLAS",
abstract = "The inclusive production rates of isolated, prompt photons in p + Pb collisions at √sNN=8.16 TeV are studied with the ATLAS detector at the Large Hadron Collider using a dataset with an integrated luminosity of 165 nb−1 recorded in 2016. The cross-section and nuclear modification factor Rp Pb  are measured as a function of photon transverse energy from 20 GeV to 550 GeV and in three nucleon–nucleon centre-of-mass pseudorapidity regions, (-2.83, -2.02), (-1.84, 0.91), and (1.09, 1.90). The cross-section and Rp Pb values are compared with the results of a next-to-leading-order perturbative QCD calculation, with and without nuclear parton distribution function modifications, and with expectations based on a model of the energy loss of partons prior to the hard scattering. The data disfavour a large amount of energy loss and provide new constraints on the parton densities in nuclei.",
author = "ATLAS Collaboration and A.E. Barton and I.A. Bertram and G. Borissov and E.V. Bouhova-Thacker and H. Fox and R.C.W. Henderson and R.W.L. Jones and V. Kartvelishvili and R.E. Long and P.A. Love and D. Muenstermann and A.J. Parker and M. Smizanska and A.S. Tee and J. Walder and A.M. Wharton and B.W. Whitmore",
year = "2019",
month = sep,
day = "10",
doi = "10.1016/j.physletb.2019.07.031",
language = "English",
volume = "796",
pages = "230--252",
journal = "Physics Letters B",
issn = "0370-2693",
publisher = "ELSEVIER SCIENCE BV",

}

RIS

TY - JOUR

T1 - Measurement of prompt photon production in √sNN=8.16 TeV p + Pb collisions with ATLAS

AU - Collaboration, ATLAS

AU - Barton, A.E.

AU - Bertram, I.A.

AU - Borissov, G.

AU - Bouhova-Thacker, E.V.

AU - Fox, H.

AU - Henderson, R.C.W.

AU - Jones, R.W.L.

AU - Kartvelishvili, V.

AU - Long, R.E.

AU - Love, P.A.

AU - Muenstermann, D.

AU - Parker, A.J.

AU - Smizanska, M.

AU - Tee, A.S.

AU - Walder, J.

AU - Wharton, A.M.

AU - Whitmore, B.W.

PY - 2019/9/10

Y1 - 2019/9/10

N2 - The inclusive production rates of isolated, prompt photons in p + Pb collisions at √sNN=8.16 TeV are studied with the ATLAS detector at the Large Hadron Collider using a dataset with an integrated luminosity of 165 nb−1 recorded in 2016. The cross-section and nuclear modification factor Rp Pb  are measured as a function of photon transverse energy from 20 GeV to 550 GeV and in three nucleon–nucleon centre-of-mass pseudorapidity regions, (-2.83, -2.02), (-1.84, 0.91), and (1.09, 1.90). The cross-section and Rp Pb values are compared with the results of a next-to-leading-order perturbative QCD calculation, with and without nuclear parton distribution function modifications, and with expectations based on a model of the energy loss of partons prior to the hard scattering. The data disfavour a large amount of energy loss and provide new constraints on the parton densities in nuclei.

AB - The inclusive production rates of isolated, prompt photons in p + Pb collisions at √sNN=8.16 TeV are studied with the ATLAS detector at the Large Hadron Collider using a dataset with an integrated luminosity of 165 nb−1 recorded in 2016. The cross-section and nuclear modification factor Rp Pb  are measured as a function of photon transverse energy from 20 GeV to 550 GeV and in three nucleon–nucleon centre-of-mass pseudorapidity regions, (-2.83, -2.02), (-1.84, 0.91), and (1.09, 1.90). The cross-section and Rp Pb values are compared with the results of a next-to-leading-order perturbative QCD calculation, with and without nuclear parton distribution function modifications, and with expectations based on a model of the energy loss of partons prior to the hard scattering. The data disfavour a large amount of energy loss and provide new constraints on the parton densities in nuclei.

U2 - 10.1016/j.physletb.2019.07.031

DO - 10.1016/j.physletb.2019.07.031

M3 - Journal article

VL - 796

SP - 230

EP - 252

JO - Physics Letters B

JF - Physics Letters B

SN - 0370-2693

ER -