The pT-differential production cross sections of the prompt charmed mesons D0, D+, D∗+, and Ds+ and their charge conjugate in the rapidity interval -0.96<ycms<0.04 were measured in p-Pb collisions at a center-of-mass energy root sNN=5.02TeV with the ALICE detector at the LHC. The nuclear modification factor RpPb, quantifying the D-meson yield in p-Pb collisions relative to the yield in pp collisions scaled by the number of binary nucleon-nucleon collisions, is compatible within the 15%-20% uncertainties with unity in the transverse momentum interval 1<pT<24GeV/c. No significant difference among the RpPb of the four D-meson species is observed. The results are described within uncertainties by theoretical calculations that include initial-state effects. The measurement adds experimental evidence that the modification of the momentum spectrum of D mesons observed in Pb-Pb collisions with respect to pp collisions is due to strong final-state effects induced by hot partonic matter.

B. Abelev, J. Adam, D. Adamová, M. M. Aggarwal, G. Aglieri Rinella, M. Agnello, et al. (2014). Measurement of Prompt D-Meson Production in p-Pb Collisions at sqrt(s_NN) = 5.02 TeV. PHYSICAL REVIEW LETTERS, 113(23), 1-11 [10.1103/PhysRevLett.113.232301].

Measurement of Prompt D-Meson Production in p-Pb Collisions at sqrt(s_NN) = 5.02 TeV

A. Alici;ARCELLI, SILVIA;BASILE, MAURIZIO;BELLINI, FRANCESCA;CIFARELLI, LUISA;COLOCCI, MANUEL;GUERZONI, BARBARA;SCIOLI, GILDA;
2014

Abstract

The pT-differential production cross sections of the prompt charmed mesons D0, D+, D∗+, and Ds+ and their charge conjugate in the rapidity interval -0.96
2014
B. Abelev, J. Adam, D. Adamová, M. M. Aggarwal, G. Aglieri Rinella, M. Agnello, et al. (2014). Measurement of Prompt D-Meson Production in p-Pb Collisions at sqrt(s_NN) = 5.02 TeV. PHYSICAL REVIEW LETTERS, 113(23), 1-11 [10.1103/PhysRevLett.113.232301].
B. Abelev;J. Adam;D. Adamová;M. M. Aggarwal;G. Aglieri Rinella;M. Agnello;A. Agostinelli;N. Agrawal;Z. Ahammed;N. Ahmad;I. Ahmed;S. U. Ahn;S. A. Ahn;I...espandi
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11585/429385
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