arXiv 1702.013232017-02hep-ph

LHC能区$p$ + $p$和$p$ +Pb碰撞中D介子的方位角关联

Azimuthal correlations of D-mesons in $p$+$p$ and $p$+Pb collisions at LHC energies

M. Younus, S. K. Tripathy, P. K. Sahu, Z. Naik

备注：: 12 pages, 4 figures
发表信息：: Eur. Phys. J. A (2017) 53: 112
DOI：: 10.1140/epja/i2017-12305-7

摘要：

研究了$p$ + $p$和$p$ +Pb碰撞中产生的D介子的关联。这些被发现是敏感的冷核介质和横向动量（$p_T$）地区，我们正在寻找的影响。为了定量地说明这一点，我们首先分析了D介子荷电强子（Dh）的方位角关联，然后对D介子-反D介子在首级强耦合的$p$ + $p$和$p$ +Pb碰撞中的（$D\overline{D}$）对$\cal{O}$（$α_{s}^{2}$）和次领先的顺序$\cal{O}$（$α_{s}^{3}$），其中包括时空演化（在两个系统），以及冷核物质效应（在$p$ +Pb）。这也为在大型强子对撞机上识别和研究重核相对论碰撞方位角关联的介质修正奠定了基础。

英文摘要：

We study the correlations of D mesons produced in $p$+$p$ and $p$+Pb collisions. These are found to be sensitive to the effects of the cold nuclear medium and the transverse momentum ($p_T$) regions we are looking into. In order to put this on a quantitative footing, as a first step we analyse the azimuthal correlations of D meson-charged hadron(Dh), and then predict the same for D meson -anti D meson ($D\overline{D}$) pairs in $p$+$p$ and $p$+Pb collisions with strong coupling at leading order $\cal{O}$($α_{s}^{2}$) and next to leading order $\cal{O}$($α_{s}^{3}$) which includes space-time evolution (in both systems), as well cold nuclear matter effects (in $p$+Pb). This also sets the stage and baseline for the identification and study of medium modification of azimuthal correlations in relativistic collision of heavy nuclei at the Large Hadron Collider.

机构、总结、中文摘要均由AI分析而来，可能存在错误，请以论文正文为准。

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英文摘要：

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