Suppression of high-pT neutral pion production in central Pb+Pb collisions at √sNN = 17.3 GeV relative to p+C and p+Pb collisions

M.M. Aggarwal; F.J.M. Geurts; R. Kamermans; T. Peitzmann; E.C. van der Pijll; N.J.A.M. van Eijndhoven

doi:10.1103/PhysRevLett.100.242301

Suppression of high-pT neutral pion production in central Pb+Pb collisions at √sNN = 17.3 GeV relative to p+C and p+Pb collisions

M.M. Aggarwal, F.J.M. Geurts, R. Kamermans, T. Peitzmann, E.C. van der Pijll, N.J.A.M. van Eijndhoven

Dept of Physics

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Abstract

Neutral pion transverse momentum spectra were measured in p+C and p+Pb collisions at =17.4 GeV at midrapidity (2.3lab3.0) over the range 0.7pT3.5 GeV/c. The spectra are compared to 0 spectra measured in Pb+Pb collisions at =17.3 GeV in the same experiment. For a wide range of Pb+Pb centralities (Npart300), the yield of 0's with pT2 GeV/c is larger than or consistent with the p+C or p+Pb yields scaled with the number of nucleon-nucleon collisions (Ncoll), while for central Pb+Pb collisions with Npart350, the 0 yield is suppressed.

Original language	English
Article number	242301
Pages (from-to)	1-5
Journal	Physical Review Letters
Volume	100
Issue number	24
DOIs	https://doi.org/10.1103/PhysRevLett.100.242301
Publication status	Published - 2008

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WA98 Collaboration

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title = "Suppression of high-pT neutral pion production in central Pb+Pb collisions at √sNN = 17.3 GeV relative to p+C and p+Pb collisions",

abstract = "Neutral pion transverse momentum spectra were measured in p+C and p+Pb collisions at =17.4 GeV at midrapidity (2.3lab3.0) over the range 0.7pT3.5 GeV/c. The spectra are compared to 0 spectra measured in Pb+Pb collisions at =17.3 GeV in the same experiment. For a wide range of Pb+Pb centralities (Npart300), the yield of 0's with pT2 GeV/c is larger than or consistent with the p+C or p+Pb yields scaled with the number of nucleon-nucleon collisions (Ncoll), while for central Pb+Pb collisions with Npart350, the 0 yield is suppressed.",

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AU - Aggarwal, M.M.

AU - Geurts, F.J.M.

AU - Kamermans, R.

AU - Peitzmann, T.

AU - van der Pijll, E.C.

AU - van Eijndhoven, N.J.A.M.

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AB - Neutral pion transverse momentum spectra were measured in p+C and p+Pb collisions at =17.4 GeV at midrapidity (2.3lab3.0) over the range 0.7pT3.5 GeV/c. The spectra are compared to 0 spectra measured in Pb+Pb collisions at =17.3 GeV in the same experiment. For a wide range of Pb+Pb centralities (Npart300), the yield of 0's with pT2 GeV/c is larger than or consistent with the p+C or p+Pb yields scaled with the number of nucleon-nucleon collisions (Ncoll), while for central Pb+Pb collisions with Npart350, the 0 yield is suppressed.

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DO - 10.1103/PhysRevLett.100.242301

M3 - Article

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JO - Physical Review Letters

JF - Physical Review Letters

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ER -

Suppression of high-pT neutral pion production in central Pb+Pb collisions at √sNN = 17.3 GeV relative to p+C and p+Pb collisions

Abstract

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