论文标题
在RHIC和LHC Energies中，热吸收吸收和中等波动对重风味核修饰因子的影响
Effect of thermal gluon absorption and medium fluctuations on heavy flavour nuclear modification factor at RHIC and LHC energies
论文作者
论文摘要
热胶结的存在减少了在夸克 - 胶子等离子体（QGP）中繁殖的夸克发射的刺激的Gluon发射，而吸收会导致辐射能量损失的减少。另一方面，QGP中存在的铬磁场波动导致重夸克的碰撞能量增益。热吸收和场波动的净效应是降低了重夸克的总能量损失，这是在较低矩处突出的。我们认为这两种能量的增长以及通常的损失，并计算重媒体的核修饰因子（$ r_ {aa} $），即，$ d $和$ b $ ersons。该计算已与Au-Au碰撞中的实验测量值进行了比较，$ \ sqrt {s_ {nn}} = 200 $ gev在rhic和phicix实验中进行了$ \ sqrt {s_ {nn}} = 2.76 $ tev and tev and tev and tev and comm and pb-pb碰撞。我们发现，由于热吸收和田间波动对重型风味抑制作用，总能量增益显着影响，尤其是在较低的横向动量下。
The presence of thermal gluons reduces the stimulated gluon emission off a heavy quark propagating in the quark-gluon plasma (QGP) while absorption causes reduction of the radiative energy loss. On the other hand, the chromo-electromagnetic field fluctuations present in the QGP lead to collisional energy gain of the heavy quark. The net effect of the thermal gluon absorption and field fluctuations is a reduction of the total energy loss of the heavy quark, prominent at the lower momenta. We consider both kind of the energy gains along with the usual losses, and compute the nuclear modification factor ($R_{AA}$) of heavy mesons, viz., $D$ and $B$ mesons. The calculations have been compared with the experimental measurements in Au-Au collisions at $\sqrt{s_{NN}} = 200$ GeV from STAR and PHENIX experiments at the RHIC and Pb-Pb collisions at $\sqrt{s_{NN}} = 2.76$ TeV and $5.02$ TeV from CMS and ALICE experiments at the LHC. We find a significant effect of the total energy gain due to thermal gluon absorption and field fluctuations on heavy flavour suppression, especially at the lower transverse momenta.
