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

M. Aaboud; G. Aad; B. Abbott; D. C. Abbott; O. Abdinov; B. Abeloos; D. K. Abhayasinghe; S. H. Abidi; O. S. AbouZeid; N. L. Abraham; H. Abramowicz; H. Abreu; Y. Abulaiti; B. S. Acharya; S. Adachi; L. Adam; L. Adamczyk; L. Adamek; J. Adelman; M. Adersberger; A. Adiguzel; T. Adye; A. A. Affolder; Y. Afik; C. Agheorghiesei; J. A. Aguilar-Saavedra; F. Ahmadov; G. Aielli; S. Akatsuka; T. P.A. Åkesson; E. Akilli; A. V. Akimov; G. L. Alberghi; J. Albert; P. Albicocco; M. J. Alconada Verzini; S. Alderweireldt; M. Aleksa; I. N. Aleksandrov; C. Alexa; D. Alexandre; T. Alexopoulos; M. Alhroob; B. Ali; G. Alimonti; J. Alison; S. P. Alkire; C. Allaire; B. M.M. Allbrooke; B. W. Allen; P. P. Allport; A. Aloisio; A. Alonso; F. Alonso; C. Alpigiani; A. A. Alshehri; M. I. Alstaty; B. Alvarez Gonzalez; D. Álvarez Piqueras; M. G. Alviggi; B. T. Amadio; Y. Amaral Coutinho; A. Ambler; L. Ambroz; C. Amelung; D. Amidei; S. P. Amor Dos Santos; S. Amoroso; C. S. Amrouche; F. An; C. Anastopoulos; L. S. Ancu; N. Andari; T. Andeen; C. F. Anders; J. K. Anders; A. Andreazza; V. Andrei; C. R. Anelli; S. Angelidakis; I. Angelozzi; A. Angerami; A. V. Anisenkov; A. Annovi; C. Antel; M. T. Anthony; M. Antonelli; D. J.A. Antrim; F. Anulli; M. Aoki; J. A. Aparisi Pozo; L. Aperio Bella; G. Arabidze; J. P. Araque; V. Araujo Ferraz; R. Araujo Pereira; A. T.H. Arce; R. E. Ardell; F. A. Arduh; J. F. Arguin; The ATLAS Collaboration; King-Man Cheung

doi:10.1016/j.physletb.2019.07.031

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

M. Aaboud, G. Aad, B. Abbott, D. C. Abbott, O. Abdinov, B. Abeloos, D. K. Abhayasinghe, S. H. Abidi, O. S. AbouZeid, N. L. Abraham, …

Physics letters. B, 卷.796(796), 頁碼.230-252

10/09/2019

DOI: https://doi.org/10.1016/j.physletb.2019.07.031

Web of Science ID: WOS:000483426200031

摘要

The inclusive production rates of isolated, prompt photons in p+Pb collisions at s =8.16 TeV are studied with the ATLAS detector at the Large Hadron Collider using a dataset with an integrated luminosity of 165 nb recorded in 2016. The cross-section and nuclear modification factor R 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 R 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.

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題名: Measurement of prompt photon production in sNN=8.16 TeV p + Pb collisions with ATLAS
創作者：: M. Aaboud - Mohamed I University
G. Aad - Centre National de la Recherche Scientifique
B. Abbott - University of Oklahoma
D. C. Abbott - University of Massachusetts Amherst
O. Abdinov - Azerbaijan National Academy of Sciences
B. Abeloos - Université Paris-Sud
D. K. Abhayasinghe - Royal Holloway University of London
S. H. Abidi - University of Toronto
O. S. AbouZeid - University of Copenhagen
N. L. Abraham - University of Sussex
H. Abramowicz - Tel Aviv University
H. Abreu - Technion – Israel Institute of Technology
Y. Abulaiti - Argonne National Laboratory
B. S. Acharya - The Abdus Salam International Centre for Theoretical Physics (ICTP)
S. Adachi - The University of Tokyo
L. Adam - Institut für Physik, Universität Mainz, Mainz, Germany
L. Adamczyk - AGH University of Krakow
L. Adamek - Johannes Gutenberg University Mainz
J. Adelman - Northern Illinois University
M. Adersberger - Ludwig-Maximilians-Universität München
A. Adiguzel - The University of Adelaide
T. Adye - Argonne National Laboratory
A. A. Affolder - Centre National de la Recherche Scientifique
Y. Afik - AGH University of Krakow
C. Agheorghiesei - AGH University of Krakow
J. A. Aguilar-Saavedra - Universidad de Granada
F. Ahmadov - The University of Adelaide
G. Aielli - Ludwig-Maximilians-Universität München
S. Akatsuka - Ludwig-Maximilians-Universität München
T. P.A. Åkesson - The University of Adelaide
E. Akilli - Ludwig-Maximilians-Universität München
A. V. Akimov - The University of Adelaide
G. L. Alberghi - The University of Adelaide
J. Albert - Northern Illinois University
P. Albicocco - The University of Adelaide
M. J. Alconada Verzini - Instituto de Física La Plata
S. Alderweireldt - Ludwig-Maximilians-Universität München
M. Aleksa - Ludwig-Maximilians-Universität München
I. N. Aleksandrov - Royal Holloway University of London
C. Alexa - AGH University of Krakow
D. Alexandre - Ludwig-Maximilians-Universität München
T. Alexopoulos - Argonne National Laboratory
M. Alhroob - Ludwig-Maximilians-Universität München
B. Ali - Ludwig-Maximilians-Universität München
G. Alimonti - Ludwig-Maximilians-Universität München
J. Alison - Northern Illinois University
S. P. Alkire - The University of Adelaide
C. Allaire - Laboratoire de l'Accélérateur Linéaire
B. M.M. Allbrooke - The University of Adelaide
B. W. Allen - The University of Adelaide
P. P. Allport - The University of Adelaide
A. Aloisio - The University of Adelaide
A. Alonso - The University of Adelaide
F. Alonso - The University of Adelaide
C. Alpigiani - AGH University of Krakow
A. A. Alshehri - Centre National de la Recherche Scientifique
M. I. Alstaty - Centre de physique des particules de Marseille
B. Alvarez Gonzalez - CERN, Geneva, Switzerland
D. Álvarez Piqueras - Instituto de Física Corpuscular
M. G. Alviggi - The University of Adelaide
B. T. Amadio - The University of Adelaide
Y. Amaral Coutinho - Universidade Federal do Rio de Janeiro
A. Ambler - The University of Adelaide
L. Ambroz - Northern Illinois University
C. Amelung - AGH University of Krakow
D. Amidei - Ludwig-Maximilians-Universität München
S. P. Amor Dos Santos - Departamento de Física, Universidade de Coimbra, Coimbra, Portugal
S. Amoroso - Ludwig-Maximilians-Universität München
C. S. Amrouche - The University of Adelaide
F. An - The University of Adelaide
C. Anastopoulos - AGH University of Krakow
L. S. Ancu - The University of Adelaide
N. Andari - Commissariat à l'Énergie Atomique et aux Énergies Alternatives
T. Andeen - Argonne National Laboratory
C. F. Anders - The University of Adelaide
J. K. Anders - The University of Adelaide
A. Andreazza - The University of Adelaide
V. Andrei - Azerbaijan National Academy of Sciences
C. R. Anelli - The University of Adelaide
S. Angelidakis - Laboratoire de Physique de Clermont Auvergne
I. Angelozzi - The University of Tokyo
A. Angerami - The University of Adelaide
A. V. Anisenkov - The University of Adelaide
A. Annovi - The University of Adelaide
C. Antel - AGH University of Krakow
M. T. Anthony - The University of Adelaide
M. Antonelli - Ludwig-Maximilians-Universität München
D. J.A. Antrim - The University of Adelaide
F. Anulli - The University of Adelaide
M. Aoki - Ludwig-Maximilians-Universität München
J. A. Aparisi Pozo - Instituto de Física Corpuscular
L. Aperio Bella - CERN, Geneva, Switzerland
G. Arabidze - Ludwig-Maximilians-Universität München
J. P. Araque - The University of Adelaide
V. Araujo Ferraz - Universidade Federal do Rio de Janeiro
R. Araujo Pereira - Universidade Federal do Rio de Janeiro
A. T.H. Arce - The University of Adelaide
R. E. Ardell - Technion – Israel Institute of Technology
F. A. Arduh - The University of Adelaide
J. F. Arguin - The University of Adelaide
The ATLAS Collaboration
King-Man Cheung - 物理學系
總頁數: 23
補助款備註: Ministry of Education, Culture, Sports, Science and Technology (http://data.elsevier.com/vocabulary/SciValFunders/501100001700) Deutsche Forschungsgemeinschaft Nella and Leon Benoziyo Center for Neurological Diseases, Weizmann Institute of Science (http://data.elsevier.com/vocabulary/SciValFunders/501100003941) Helmholtz-Gemeinschaft (http://data.elsevier.com/vocabulary/SciValFunders/501100001656) Joint Institute for Nuclear Research (http://data.elsevier.com/vocabulary/SciValFunders/501100003822) IRFU H2020 European Research Council Ministerstvo Průmyslu a Obchodu MSSR RGC
學術資源類型: 期刊文章
出版日期: 10/09/2019
出版資訊: Physics letters. B, 卷.796(796), 頁碼.230-252
語言: 英語

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