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 Pis'ma v Zh. Èksper. Teoret. Fiz., 2016, Volume 103, Issue 6, Pages 411–416 (Mi jetpl4890)

FIELDS, PARTICLES, AND NUCLEI

Flavor dependence of jet quenching in $pp$ collisions and its effect on the $R_{AA}$ for heavy mesons

B. G. Zakharov

Landau Institute for Theoretical Physics, 117334 Moscow, Russia

Abstract: We study the flavor dependence of the medium modification factor $R_{pp}$ for $pp$ collisions for scenario with formation of a small-size quark-gluon plasma (QGP) for RHIC ($\sqrt{s}=0.2$ TeV) and LHC ($\sqrt{s}=2.76$ TeV) energies. We find that at $p_T\sim 10$ GeV the pion spectrum is suppressed by $\sim 20{-}30 (25{-}35)%$ for RHIC (LHC), for $D$ ($B$) mesons the suppression effect is smaller by a factor of $\sim 0.7{-}0.8$ ($0.5$). The flavor hierarchy $R_{pp}^\pi<R_{pp}^D<R_{pp}^B$ is held at $p_T\lesssim 20$ GeV for RHIC and at $p_T\lesssim 70$ GeV for LHC. This gives a sizeable reduction of the heavy-to-light ratios of the nuclear modification factors $R_{AA}$ as compared to that in the standard scenario without the QGP production in $pp$ collisions.

 Funding Agency Grant Number Russian Foundation for Basic Research 15-02-00668-a Ministry of Education and Science of the Russian Federation ÍØ-3139.2014.2

DOI: https://doi.org/10.7868/S0370274X16060011

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English version:
Journal of Experimental and Theoretical Physics Letters, 2016, 103:6, 363–368

Bibliographic databases:

Document Type: Article
Language: English

Citation: B. G. Zakharov, “Flavor dependence of jet quenching in $pp$ collisions and its effect on the $R_{AA}$ for heavy mesons”, Pis'ma v Zh. Èksper. Teoret. Fiz., 103:6 (2016), 411–416; JETP Letters, 103:6 (2016), 363–368

Citation in format AMSBIB
\Bibitem{Zak16} \by B.~G.~Zakharov \paper Flavor dependence of jet quenching in $pp$ collisions and its effect on the $R_{AA}$ for heavy mesons \jour Pis'ma v Zh. \Eksper. Teoret. Fiz. \yr 2016 \vol 103 \issue 6 \pages 411--416 \mathnet{http://mi.mathnet.ru/jetpl4890} \crossref{https://doi.org/10.7868/S0370274X16060011} \elib{http://elibrary.ru/item.asp?id=26184393} \transl \jour JETP Letters \yr 2016 \vol 103 \issue 6 \pages 363--368 \crossref{https://doi.org/10.1134/S0021364016060126} \isi{http://gateway.isiknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&DestLinkType=FullRecord&DestApp=ALL_WOS&KeyUT=000377605700001} \scopus{http://www.scopus.com/record/display.url?origin=inward&eid=2-s2.0-84975482096} `

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This publication is cited in the following articles:
1. A. Ortiz, G. Bencedi, H. Bello, “Revealing the Source of the Radial Flow Patterns in Proton-Proton Collisions Using Hard Probes”, J. Phys. G-Nucl. Part. Phys., 44:6 (2017), 065001
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