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Neutral pion and η meson production in p–Pb collisions at √sNN = 5.02 TeV. / ALICE Collaboration.

In: European Physical Journal C, Vol. 78, No. 8, 624, 06.08.2018.

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

Harvard

ALICE Collaboration 2018, 'Neutral pion and η meson production in p–Pb collisions at √sNN = 5.02 TeV', European Physical Journal C, vol. 78, no. 8, 624. https://doi.org/10.1140/epjc/s10052-018-6013-8

APA

ALICE Collaboration (2018). Neutral pion and η meson production in p–Pb collisions at √sNN = 5.02 TeV. European Physical Journal C, 78(8), [624]. https://doi.org/10.1140/epjc/s10052-018-6013-8

Vancouver

ALICE Collaboration. Neutral pion and η meson production in p–Pb collisions at √sNN = 5.02 TeV. European Physical Journal C. 2018 Aug 6;78(8). 624. https://doi.org/10.1140/epjc/s10052-018-6013-8

Author

ALICE Collaboration. / Neutral pion and η meson production in p–Pb collisions at √sNN = 5.02 TeV. In: European Physical Journal C. 2018 ; Vol. 78, No. 8.

BibTeX

@article{1b5f1cb1415d4ed287a38e2bae32a8f7,
title = "Neutral pion and η meson production in p–Pb collisions at √sNN = 5.02 TeV",
abstract = "Neutral pion and η meson invariant differential yields were measured in non-single diffractive p–Pb collisions at sNN = 5.02 TeV with the ALICE experiment at the CERN LHC. The analysis combines results from three complementary photon measurements, utilizing the PHOS and EMCal calorimeters and the Photon Conversion Method. The invariant differential yields of π0 and η meson inclusive production are measured near mid-rapidity in a broad transverse momentum range of 0.30 ratio increases with pT and saturates for pT > 4 GeV / c at 0.483 ± 0. 015 stat± 0. 015 sys. A deviation from mT scaling is observed for pT< 2 GeV / c. The measured η/ π0 ratio is consistent with previous measurements from proton-nucleus and pp collisions over the full pT range. The measured η/ π0 ratio at high pT also agrees within uncertainties with measurements from nucleus–nucleus collisions. The π0 and η yields in p–Pb relative to the scaled pp interpolated reference, RpPb, are presented for 0.3 < pT< 20 GeV / c and 0.7 < pT< 20 GeV / c, respectively. The results are compared with theoretical model calculations. The values of RpPb are consistent with unity for transverse momenta above 2 GeV / c. These results support the interpretation that the suppressed yield of neutral mesons measured in Pb–Pb collisions at LHC energies is due to parton energy loss in the hot QCD medium.",
author = "{ALICE Collaboration} and S. Acharya and D. Adamov{\'a} and J. Adolfsson and Aggarwal, {M. M.} and D. Aleksandrov and I. Altsybeev and V. Belyaev and Y. Berdnikov and A. Bogdanov and G. Feofilov and S. Fokin and M. Ivanov and V. Ivanov and D. Kim and D. Kim and Kim, {E. J.} and M. Kim and S. Kim and T. Kim and S. Kiselev and V. Kondratiev and V. Kovalenko and S. Lee and X. Li and X. Li and A. Mamonov and Y. Mao and A. Mar{\'i}n and S. Nikolaev and V. Riabov and V. Samsonov and A. Shabanov and N. Smirnov and J. Song and A. Tikhonov and V. Vechernin and A. Vinogradov and L. Vinogradov and H. Wang and M. Wang and A. Zarochentsev and H. Zhang and X. Zhang and Y. Zhang and C. Zhang and Z. Zhang and Y. Zhou and Z. Zhou and H. Zhu and J. Zhu",
year = "2018",
month = aug,
day = "6",
doi = "10.1140/epjc/s10052-018-6013-8",
language = "English",
volume = "78",
journal = "European Physical Journal C",
issn = "1434-6044",
publisher = "Springer Nature",
number = "8",

}

RIS

TY - JOUR

T1 - Neutral pion and η meson production in p–Pb collisions at √sNN = 5.02 TeV

AU - ALICE Collaboration

AU - Acharya, S.

AU - Adamová, D.

AU - Adolfsson, J.

AU - Aggarwal, M. M.

AU - Aleksandrov, D.

AU - Altsybeev, I.

AU - Belyaev, V.

AU - Berdnikov, Y.

AU - Bogdanov, A.

AU - Feofilov, G.

AU - Fokin, S.

AU - Ivanov, M.

AU - Ivanov, V.

AU - Kim, D.

AU - Kim, D.

AU - Kim, E. J.

AU - Kim, M.

AU - Kim, S.

AU - Kim, T.

AU - Kiselev, S.

AU - Kondratiev, V.

AU - Kovalenko, V.

AU - Lee, S.

AU - Li, X.

AU - Li, X.

AU - Mamonov, A.

AU - Mao, Y.

AU - Marín, A.

AU - Nikolaev, S.

AU - Riabov, V.

AU - Samsonov, V.

AU - Shabanov, A.

AU - Smirnov, N.

AU - Song, J.

AU - Tikhonov, A.

AU - Vechernin, V.

AU - Vinogradov, A.

AU - Vinogradov, L.

AU - Wang, H.

AU - Wang, M.

AU - Zarochentsev, A.

AU - Zhang, H.

AU - Zhang, X.

AU - Zhang, Y.

AU - Zhang, C.

AU - Zhang, Z.

AU - Zhou, Y.

AU - Zhou, Z.

AU - Zhu, H.

AU - Zhu, J.

PY - 2018/8/6

Y1 - 2018/8/6

N2 - Neutral pion and η meson invariant differential yields were measured in non-single diffractive p–Pb collisions at sNN = 5.02 TeV with the ALICE experiment at the CERN LHC. The analysis combines results from three complementary photon measurements, utilizing the PHOS and EMCal calorimeters and the Photon Conversion Method. The invariant differential yields of π0 and η meson inclusive production are measured near mid-rapidity in a broad transverse momentum range of 0.30 ratio increases with pT and saturates for pT > 4 GeV / c at 0.483 ± 0. 015 stat± 0. 015 sys. A deviation from mT scaling is observed for pT< 2 GeV / c. The measured η/ π0 ratio is consistent with previous measurements from proton-nucleus and pp collisions over the full pT range. The measured η/ π0 ratio at high pT also agrees within uncertainties with measurements from nucleus–nucleus collisions. The π0 and η yields in p–Pb relative to the scaled pp interpolated reference, RpPb, are presented for 0.3 < pT< 20 GeV / c and 0.7 < pT< 20 GeV / c, respectively. The results are compared with theoretical model calculations. The values of RpPb are consistent with unity for transverse momenta above 2 GeV / c. These results support the interpretation that the suppressed yield of neutral mesons measured in Pb–Pb collisions at LHC energies is due to parton energy loss in the hot QCD medium.

AB - Neutral pion and η meson invariant differential yields were measured in non-single diffractive p–Pb collisions at sNN = 5.02 TeV with the ALICE experiment at the CERN LHC. The analysis combines results from three complementary photon measurements, utilizing the PHOS and EMCal calorimeters and the Photon Conversion Method. The invariant differential yields of π0 and η meson inclusive production are measured near mid-rapidity in a broad transverse momentum range of 0.30 ratio increases with pT and saturates for pT > 4 GeV / c at 0.483 ± 0. 015 stat± 0. 015 sys. A deviation from mT scaling is observed for pT< 2 GeV / c. The measured η/ π0 ratio is consistent with previous measurements from proton-nucleus and pp collisions over the full pT range. The measured η/ π0 ratio at high pT also agrees within uncertainties with measurements from nucleus–nucleus collisions. The π0 and η yields in p–Pb relative to the scaled pp interpolated reference, RpPb, are presented for 0.3 < pT< 20 GeV / c and 0.7 < pT< 20 GeV / c, respectively. The results are compared with theoretical model calculations. The values of RpPb are consistent with unity for transverse momenta above 2 GeV / c. These results support the interpretation that the suppressed yield of neutral mesons measured in Pb–Pb collisions at LHC energies is due to parton energy loss in the hot QCD medium.

UR - http://www.scopus.com/inward/record.url?scp=85051224642&partnerID=8YFLogxK

UR - http://www.mendeley.com/research/neutral-pion-%CE%B7-meson-production-ppb-collisions-snn-502tev

U2 - 10.1140/epjc/s10052-018-6013-8

DO - 10.1140/epjc/s10052-018-6013-8

M3 - Article

AN - SCOPUS:85051224642

VL - 78

JO - European Physical Journal C

JF - European Physical Journal C

SN - 1434-6044

IS - 8

M1 - 624

ER -

ID: 35152420