The production of isolated photons in PbPb and pp collisions at √sNN = 5.02 TeV

Standard

The production of isolated photons in PbPb and pp collisions at √sNN = 5.02 TeV. / The CMS collaboration.

In: Journal of High Energy Physics, Vol. 2020, No. 7, 116, 01.07.2020.

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

Harvard

The CMS collaboration 2020, 'The production of isolated photons in PbPb and pp collisions at √sNN = 5.02 TeV', Journal of High Energy Physics, vol. 2020, no. 7, 116. https://doi.org/10.1007/JHEP07(2020)116

APA

The CMS collaboration (2020). The production of isolated photons in PbPb and pp collisions at √sNN = 5.02 TeV. Journal of High Energy Physics, 2020(7), [116]. https://doi.org/10.1007/JHEP07(2020)116

Vancouver

The CMS collaboration. The production of isolated photons in PbPb and pp collisions at √sNN = 5.02 TeV. Journal of High Energy Physics. 2020 Jul 1;2020(7):116. doi: 10.1007/JHEP07(2020)116

Author

The CMS collaboration. / The production of isolated photons in PbPb and pp collisions at √sNN = 5.02 TeV. In: Journal of High Energy Physics. 2020 ; Vol. 2020, No. 7.

BibTeX

@article{6f7a336b2c8147279c9ca24b904d3511,

title = "The production of isolated photons in PbPb and pp collisions at √sNN = 5.02 TeV",

abstract = "The transverse energy (ETγ) spectra of photons isolated from other particles are measured using proton-proton (pp) and lead-lead (PbPb) collisions at the LHC at sNN = 5.02 TeV with integrated luminosities of 27.4 pb−1 and 404 μb−1 for pp and PbPb data, respectively. The results are presented for photons with 25 <ETγ< 200 GeV in the pseudorapidity range |η| < 1.44, and for different centrality intervals for PbPb collisions. Photon production in PbPb collisions is consistent with that in pp collisions scaled by the number of binary nucleon-nucleon collisions, demonstrating that photons do not interact with the quark-gluon plasma. Therefore, isolated photons can provide information about the initial energy of the associated parton in photon+jet measurements. The results are compared with predictions from the next-to-leading-order jetphox generator for different parton distribution functions (PDFs) and nuclear PDFs (nPDFs). The comparisons can help to constrain the nPDFs global fits.",

keywords = "Hadron-Hadron scattering (experiments), Heavy-ion collision, Photon production",

author = "{The CMS collaboration} and Sirunyan, {A. M.} and A. Tumasyan and W. Adam and F. Ambrogi and T. Bergauer and M. Dragicevic and J. Er{\"o} and {Escalante Del Valle}, A. and M. Flechl and R. Fr{\"u}hwirth and M. Jeitler and N. Krammer and I. Kr{\"a}tschmer and D. Liko and T. Madlener and I. Mikulec and N. Rad and J. Schieck and R. Sch{\"o}fbeck and M. Spanring and W. Waltenberger and Wulz, {C. E.} and M. Zarucki and V. Drugakov and V. Mossolov and {Suarez Gonzalez}, J. and Darwish, {M. R.} and {De Wolf}, {E. A.} and {Di Croce}, D. and X. Janssen and T. Kello and A. Lelek and M. Pieters and {Rejeb Sfar}, H. and {Van Haevermaet}, H. and {Van Mechelen}, P. and {Van Putte}, S. and {Van Remortel}, N. and F. Blekman and Bols, {E. S.} and Chhibra, {S. S.} and J. D{\textquoteright}Hondt and {De Clercq}, J. and D. Lontkovskyi and S. Lowette and A. Barnyakov and V. Blinov and T. Dimova and L. Kardapoltsev and Y. Skovpen",

note = "Publisher Copyright: {\textcopyright} 2020, The Author(s).",

year = "2020",

month = jul,

day = "1",

doi = "10.1007/JHEP07(2020)116",

language = "English",

volume = "2020",

journal = "Journal of High Energy Physics",

issn = "1029-8479",

publisher = "Springer US",

number = "7",

}

RIS

TY - JOUR

T1 - The production of isolated photons in PbPb and pp collisions at √sNN = 5.02 TeV

AU - The CMS collaboration

AU - Sirunyan, A. M.

AU - Tumasyan, A.

AU - Adam, W.

AU - Ambrogi, F.

AU - Bergauer, T.

AU - Dragicevic, M.

AU - Erö, J.

AU - Escalante Del Valle, A.

AU - Flechl, M.

AU - Frühwirth, R.

AU - Jeitler, M.

AU - Krammer, N.

AU - Krätschmer, I.

AU - Liko, D.

AU - Madlener, T.

AU - Mikulec, I.

AU - Rad, N.

AU - Schieck, J.

AU - Schöfbeck, R.

AU - Spanring, M.

AU - Waltenberger, W.

AU - Wulz, C. E.

AU - Zarucki, M.

AU - Drugakov, V.

AU - Mossolov, V.

AU - Suarez Gonzalez, J.

AU - Darwish, M. R.

AU - De Wolf, E. A.

AU - Di Croce, D.

AU - Janssen, X.

AU - Kello, T.

AU - Lelek, A.

AU - Pieters, M.

AU - Rejeb Sfar, H.

AU - Van Haevermaet, H.

AU - Van Mechelen, P.

AU - Van Putte, S.

AU - Van Remortel, N.

AU - Blekman, F.

AU - Bols, E. S.

AU - Chhibra, S. S.

AU - D’Hondt, J.

AU - De Clercq, J.

AU - Lontkovskyi, D.

AU - Lowette, S.

AU - Barnyakov, A.

AU - Blinov, V.

AU - Dimova, T.

AU - Kardapoltsev, L.

AU - Skovpen, Y.

PY - 2020/7/1

Y1 - 2020/7/1

N2 - The transverse energy (ETγ) spectra of photons isolated from other particles are measured using proton-proton (pp) and lead-lead (PbPb) collisions at the LHC at sNN = 5.02 TeV with integrated luminosities of 27.4 pb−1 and 404 μb−1 for pp and PbPb data, respectively. The results are presented for photons with 25 <ETγ< 200 GeV in the pseudorapidity range |η| < 1.44, and for different centrality intervals for PbPb collisions. Photon production in PbPb collisions is consistent with that in pp collisions scaled by the number of binary nucleon-nucleon collisions, demonstrating that photons do not interact with the quark-gluon plasma. Therefore, isolated photons can provide information about the initial energy of the associated parton in photon+jet measurements. The results are compared with predictions from the next-to-leading-order jetphox generator for different parton distribution functions (PDFs) and nuclear PDFs (nPDFs). The comparisons can help to constrain the nPDFs global fits.

AB - The transverse energy (ETγ) spectra of photons isolated from other particles are measured using proton-proton (pp) and lead-lead (PbPb) collisions at the LHC at sNN = 5.02 TeV with integrated luminosities of 27.4 pb−1 and 404 μb−1 for pp and PbPb data, respectively. The results are presented for photons with 25 <ETγ< 200 GeV in the pseudorapidity range |η| < 1.44, and for different centrality intervals for PbPb collisions. Photon production in PbPb collisions is consistent with that in pp collisions scaled by the number of binary nucleon-nucleon collisions, demonstrating that photons do not interact with the quark-gluon plasma. Therefore, isolated photons can provide information about the initial energy of the associated parton in photon+jet measurements. The results are compared with predictions from the next-to-leading-order jetphox generator for different parton distribution functions (PDFs) and nuclear PDFs (nPDFs). The comparisons can help to constrain the nPDFs global fits.

KW - Hadron-Hadron scattering (experiments)

KW - Heavy-ion collision

KW - Photon production

UR - http://www.scopus.com/inward/record.url?scp=85088163145&partnerID=8YFLogxK

U2 - 10.1007/JHEP07(2020)116

DO - 10.1007/JHEP07(2020)116

M3 - Article

AN - SCOPUS:85088163145

VL - 2020

JO - Journal of High Energy Physics

JF - Journal of High Energy Physics

SN - 1029-8479

IS - 7

M1 - 116

ER -

ID: 24784923