Centrality dependence of high-p(T) D meson suppression in Pb-Pb collisions at root s(NN)=2.76 TeV

J Adam; D. Adamova; M.M. Aggarwal; G. Aglieri Rinella; A. Agnello; N. Agrawal; Z. Ahammed; S.U. Ahn; I. Aimo; S. Aiola; 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; You Zhou; Christian Alexander Bourjau; Lais Ozelin de Lima Pimentel; Katarina Gajdosova; Vojtech Pacik

doi:10.1007/JHEP11(2015)205

Centrality dependence of high-p(T) D meson suppression in Pb-Pb collisions at root s(NN)=2.76 TeV

J Adam, D. Adamova, M.M. Aggarwal, G. Aglieri Rinella, A. Agnello, N. Agrawal, Z. Ahammed, S.U. Ahn, I. Aimo, S. Aiola, Ian Bearden, Hans Bøggild, Christian Holm Christensen, Kristjan Herlache Gulbrandsen, Jens Jørgen Gaardhøje, Børge Svane Nielsen, Alexander Colliander Hansen, Ante Bilandzic, Marek Chojnacki, Valentina ZaccoloYou Zhou, Christian Alexander Bourjau, Lais Ozelin de Lima Pimentel, Katarina Gajdosova, Vojtech Pacik

Experimental Particle Physics

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Abstract

Abstract: The nuclear modification factor, R_AA, of the prompt charmed mesons D⁰, D⁺ and D^∗+, and their antiparticles, was measured with the ALICE detector in Pb-Pb collisions at a centre-of-mass energy sNN=2.76(Formula presented.) TeV in two transverse momentum intervals, 5 < p_T< 8 GeV/c and 8 < p_T< 16 GeV/c, and in six collision centrality classes. The R_AA shows a maximum suppression of a factor of 5-6 in the 10% most central collisions. The suppression and its centrality dependence are compatible within uncertainties with those of charged pions. A comparison with the R_AA of non-prompt J/ψ from B meson decays, measured by the CMS Collaboration, hints at a larger suppression of D mesons in the most central collisions.[Figure not available: see fulltext.]

Original language	English
Article number	205
Journal	Journal of High Energy Physics
Volume	2015
Issue number	11
ISSN	1126-6708
DOIs	https://doi.org/10.1007/JHEP11(2015)205
Publication status	Published - 1 Nov 2015

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Adam, J., Adamova, D., Aggarwal, M. M., Aglieri Rinella, G., Agnello, A., Agrawal, N., Ahammed, Z., Ahn, S. U., Aimo, I., Aiola, S., Bearden, I., Bøggild, H., Christensen, C. H., Gulbrandsen, K. H., Gaardhøje, J. J., Nielsen, B. S., Hansen, A. C., Bilandzic, A., Chojnacki, M., ... Pacik, V. (2015). Centrality dependence of high-p(T) D meson suppression in Pb-Pb collisions at root s(NN)=2.76 TeV. Journal of High Energy Physics, 2015(11), [205]. https://doi.org/10.1007/JHEP11(2015)205

Adam, J, Adamova, D, Aggarwal, MM, Aglieri Rinella, G, Agnello, A, Agrawal, N, Ahammed, Z, Ahn, SU, Aimo, I, Aiola, S, Bearden, I , Bøggild, H , Christensen, CH , Gulbrandsen, KH , Gaardhøje, JJ , Nielsen, BS, Hansen, AC, Bilandzic, A, Chojnacki, M, Zaccolo, V, Zhou, Y, Bourjau, CA, Pimentel, LODL, Gajdosova, K & Pacik, V 2015, 'Centrality dependence of high-p(T) D meson suppression in Pb-Pb collisions at root s(NN)=2.76 TeV', Journal of High Energy Physics, vol. 2015, no. 11, 205. https://doi.org/10.1007/JHEP11(2015)205

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title = "Centrality dependence of high-p(T) D meson suppression in Pb-Pb collisions at root s(NN)=2.76 TeV",

abstract = "Abstract: The nuclear modification factor, RAA, of the prompt charmed mesons D0, D+ and D∗+, and their antiparticles, was measured with the ALICE detector in Pb-Pb collisions at a centre-of-mass energy sNN=2.76(Formula presented.) TeV in two transverse momentum intervals, 5 < pT< 8 GeV/c and 8 < pT< 16 GeV/c, and in six collision centrality classes. The RAA shows a maximum suppression of a factor of 5-6 in the 10% most central collisions. The suppression and its centrality dependence are compatible within uncertainties with those of charged pions. A comparison with the RAA of non-prompt J/ψ from B meson decays, measured by the CMS Collaboration, hints at a larger suppression of D mesons in the most central collisions.[Figure not available: see fulltext.]",

author = "J Adam and D. Adamova and M.M. Aggarwal and {Aglieri Rinella}, G. and A. Agnello and N. Agrawal and Z. Ahammed and S.U. Ahn and I. Aimo and S. Aiola and Ian Bearden and Hans B{\o}ggild and Christensen, {Christian Holm} and Gulbrandsen, {Kristjan Herlache} and Gaardh{\o}je, {Jens J{\o}rgen} and Nielsen, {B{\o}rge Svane} and Hansen, {Alexander Colliander} and Ante Bilandzic and Marek Chojnacki and Valentina Zaccolo and You Zhou and Bourjau, {Christian Alexander} and Pimentel, {Lais Ozelin de Lima} and Katarina Gajdosova and Vojtech Pacik",

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T1 - Centrality dependence of high-p(T) D meson suppression in Pb-Pb collisions at root s(NN)=2.76 TeV

AU - Adam, J

AU - Adamova, D.

AU - Aggarwal, M.M.

AU - Aglieri Rinella, G.

AU - Agnello, A.

AU - Agrawal, N.

AU - Ahammed, Z.

AU - Ahn, S.U.

AU - Aimo, I.

AU - Aiola, S.

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

AU - Zhou, You

AU - Bourjau, Christian Alexander

AU - Pimentel, Lais Ozelin de Lima

AU - Gajdosova, Katarina

AU - Pacik, Vojtech

PY - 2015/11/1

Y1 - 2015/11/1

N2 - Abstract: The nuclear modification factor, RAA, of the prompt charmed mesons D0, D+ and D∗+, and their antiparticles, was measured with the ALICE detector in Pb-Pb collisions at a centre-of-mass energy sNN=2.76(Formula presented.) TeV in two transverse momentum intervals, 5 < pT< 8 GeV/c and 8 < pT< 16 GeV/c, and in six collision centrality classes. The RAA shows a maximum suppression of a factor of 5-6 in the 10% most central collisions. The suppression and its centrality dependence are compatible within uncertainties with those of charged pions. A comparison with the RAA of non-prompt J/ψ from B meson decays, measured by the CMS Collaboration, hints at a larger suppression of D mesons in the most central collisions.[Figure not available: see fulltext.]

AB - Abstract: The nuclear modification factor, RAA, of the prompt charmed mesons D0, D+ and D∗+, and their antiparticles, was measured with the ALICE detector in Pb-Pb collisions at a centre-of-mass energy sNN=2.76(Formula presented.) TeV in two transverse momentum intervals, 5 < pT< 8 GeV/c and 8 < pT< 16 GeV/c, and in six collision centrality classes. The RAA shows a maximum suppression of a factor of 5-6 in the 10% most central collisions. The suppression and its centrality dependence are compatible within uncertainties with those of charged pions. A comparison with the RAA of non-prompt J/ψ from B meson decays, measured by the CMS Collaboration, hints at a larger suppression of D mesons in the most central collisions.[Figure not available: see fulltext.]

UR - http://10.1007/JHEP06(2017)032

U2 - 10.1007/JHEP11(2015)205

DO - 10.1007/JHEP11(2015)205

M3 - Journal article

SN - 1126-6708

VL - 2015

JO - Journal of High Energy Physics (Online)

JF - Journal of High Energy Physics (Online)

IS - 11

M1 - 205

ER -

Centrality dependence of high-p(T) D meson suppression in Pb-Pb collisions at root s(NN)=2.76 TeV

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