Neutral pion production at midrapidity in pp and Pb-Pb collisions at √sNN=2.76TeV

B. Abelev; J. Adam; D. Adamová; MM. Aggarwal; Ian Bearden; Hans Bøggild; Christian Holm Christensen; Kristjan Herlache Gulbrandsen; Jens Jørgen Gaardhøje; Børge Svane Nielsen; Alexander Colliander Hansen; Ante Bilandzic; Marek Chojnacki; Valentina Zaccolo

doi:10.1140/epjc/s10052-014-3108-8

Neutral pion production at midrapidity in pp and Pb-Pb collisions at √^sNN=2.76TeV

B. Abelev, J. Adam, D. Adamová, MM. Aggarwal, Ian Bearden, Hans Bøggild, Christian Holm Christensen, Kristjan Herlache Gulbrandsen, Jens Jørgen Gaardhøje, Børge Svane Nielsen, Alexander Colliander Hansen, Ante Bilandzic, Marek Chojnacki, Valentina Zaccolo

Experimental Particle Physics

52 Citations (Scopus)

Abstract

Invariant yields of neutral pions at midrapidity in the transverse momentum range (Formula presented.)c measured in Pb–Pb collisions at (Formula presented.) TeV are presented for six centrality classes. The pp reference spectrum was measured in the range (Formula presented.)c at the same center-of-mass energy. The nuclear modification factor, (Formula presented.), shows a suppression of neutral pions in central Pb–Pb collisions by a factor of up to about (Formula presented.) for (Formula presented.) ≲(Formula presented.)c. The presented measurements are compared with results at lower center-of-mass energies and with theoretical calculations.

Original language	English
Article number	3108
Journal	The European Physical Journal C: Particles and Fields
Volume	74
ISSN	1434-6044
DOIs	https://doi.org/10.1140/epjc/s10052-014-3108-8
Publication status	Published - 21 Oct 2014

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10.1140/epjc/s10052-014-3108-8

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Abelev, B., Adam, J., Adamová, D., Aggarwal, MM., Bearden, I., Bøggild, H., Christensen, C. H., Gulbrandsen, K. H., Gaardhøje, J. J., Nielsen, B. S., Hansen, A. C., Bilandzic, A., Chojnacki, M., & Zaccolo, V. (2014). Neutral pion production at midrapidity in pp and Pb-Pb collisions at √^sNN=2.76TeV. The European Physical Journal C: Particles and Fields, 74, [3108]. https://doi.org/10.1140/epjc/s10052-014-3108-8

Abelev, B, Adam, J, Adamová, D, Aggarwal, MM, Bearden, I , Bøggild, H , Christensen, CH , Gulbrandsen, KH , Gaardhøje, JJ , Nielsen, BS, Hansen, AC, Bilandzic, A, Chojnacki, M & Zaccolo, V 2014, 'Neutral pion production at midrapidity in pp and Pb-Pb collisions at √^sNN=2.76TeV', The European Physical Journal C: Particles and Fields, vol. 74, 3108. https://doi.org/10.1140/epjc/s10052-014-3108-8

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title = "Neutral pion production at midrapidity in pp and Pb-Pb collisions at √sNN=2.76TeV",

abstract = "Invariant yields of neutral pions at midrapidity in the transverse momentum range (Formula presented.)c measured in Pb–Pb collisions at (Formula presented.) TeV are presented for six centrality classes. The pp reference spectrum was measured in the range (Formula presented.)c at the same center-of-mass energy. The nuclear modification factor, (Formula presented.), shows a suppression of neutral pions in central Pb–Pb collisions by a factor of up to about (Formula presented.) for (Formula presented.) ≲(Formula presented.)c. The presented measurements are compared with results at lower center-of-mass energies and with theoretical calculations.",

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doi = "10.1140/epjc/s10052-014-3108-8",

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T1 - Neutral pion production at midrapidity in pp and Pb-Pb collisions at √sNN=2.76TeV

AU - Abelev, B.

AU - Adam, J.

AU - Adamová, D.

AU - Aggarwal, MM.

AU - Bearden, Ian

AU - Bøggild, Hans

AU - Christensen, Christian Holm

AU - Gulbrandsen, Kristjan Herlache

AU - Gaardhøje, Jens Jørgen

AU - Nielsen, Børge Svane

AU - Hansen, Alexander Colliander

AU - Bilandzic, Ante

AU - Chojnacki, Marek

AU - Zaccolo, Valentina

PY - 2014/10/21

Y1 - 2014/10/21

N2 - Invariant yields of neutral pions at midrapidity in the transverse momentum range (Formula presented.)c measured in Pb–Pb collisions at (Formula presented.) TeV are presented for six centrality classes. The pp reference spectrum was measured in the range (Formula presented.)c at the same center-of-mass energy. The nuclear modification factor, (Formula presented.), shows a suppression of neutral pions in central Pb–Pb collisions by a factor of up to about (Formula presented.) for (Formula presented.) ≲(Formula presented.)c. The presented measurements are compared with results at lower center-of-mass energies and with theoretical calculations.

AB - Invariant yields of neutral pions at midrapidity in the transverse momentum range (Formula presented.)c measured in Pb–Pb collisions at (Formula presented.) TeV are presented for six centrality classes. The pp reference spectrum was measured in the range (Formula presented.)c at the same center-of-mass energy. The nuclear modification factor, (Formula presented.), shows a suppression of neutral pions in central Pb–Pb collisions by a factor of up to about (Formula presented.) for (Formula presented.) ≲(Formula presented.)c. The presented measurements are compared with results at lower center-of-mass energies and with theoretical calculations.

U2 - 10.1140/epjc/s10052-014-3108-8

DO - 10.1140/epjc/s10052-014-3108-8

M3 - Journal article

SN - 1434-6044

VL - 74

JO - The European Physical Journal C: Particles and Fields

JF - The European Physical Journal C: Particles and Fields

M1 - 3108

ER -

Neutral pion production at midrapidity in pp and Pb-Pb collisions at √sNN=2.76TeV

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Neutral pion production at midrapidity in pp and Pb-Pb collisions at √^sNN=2.76TeV