Photon and Eta Production in p+Pb and p+C Collisions at sqrt{sNN} = 17.4 GeV - IN2P3 - Institut national de physique nucléaire et de physique des particules Access content directly
Journal Articles Nuclear Physics A Year : 2013

Photon and Eta Production in p+Pb and p+C Collisions at sqrt{sNN} = 17.4 GeV

Abstract

Measurements of direct photon production in p+Pb and p+C collisions at $\sqrt{s_\mathrm{NN}} = 17.4\mathrm{GeV}$ are presented. Upper limits on the direct photon yield as a function of $p_\mathrm{T}$ are derived and compared to the results for Pb+Pb collisions at $\sqrt{s_\mathrm{NN}} = 17.3$ GeV. The production of the $\eta$ meson, which is an important input to the direct photon signal extraction, has been determined in the $\eta \rightarrow 2\gamma$ channel for p+C collisions at $\sqrt{s_\mathrm{NN}} = 17.4\mathrm{GeV}$.

Dates and versions

in2p3-00871695 , version 1 (10-10-2013)

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Cite

M.M. Aggarwal, T. Bernier, H. Delagrange, L. Luquin, Gines Martinez Garcia, et al.. Photon and Eta Production in p+Pb and p+C Collisions at sqrt{sNN} = 17.4 GeV. Nuclear Physics A, 2013, 898, pp.14-23. ⟨10.1016/j.nuclphysa.2012.11.010⟩. ⟨in2p3-00871695⟩
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