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首页> 外文期刊>Journal of Physics, G. Nuclear and Particle Physics: An Institute of Physics Journal >Influence of jets and resonance decays on the constituent quark scaling of elliptic flow
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Influence of jets and resonance decays on the constituent quark scaling of elliptic flow

机译：射流和共振衰减对椭圆流组成的夸克尺度的影响

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摘要

The Monte Carlo HYDJET++ model, that contains both hydrodynamic state and jets, is applied to study the influence of the interplay between soft and hard processes on the formation of the elliptic flow in heavy-ion collisions at RHIC and LHC energies. Jets are found to cease the hydro-like increase of the elliptic flow with rising pT. Since jets are more influential at LHC than at RHIC, the v_2 at LHC should be weaker than that at RHIC. Violation of the number-of-constituent-quarks (NCQ) scaling is predicted. The decays of resonances are found to enhance the low-pT part of the elliptic flow of pions and light baryons, and work toward the fulfillment of the NCQ scaling.
机译：蒙特卡罗HYDJET ++模型同时包含流体动力学状态和射流，用于研究在RHIC和LHC能量下重离子碰撞中软过程和硬过程之间的相互作用对椭圆流形成的影响。发现喷射随着pT的增加而停止了椭圆形水的水样增加。由于喷射对LHC的影响比对RHIC的影响更大，因此LHC的v_2应该比RHIC的v_2弱。可以预测违反构成夸克数（NCQ）的情况。发现共振的衰减增强了小子和轻重子的椭圆流的低pT部分，并为实现NCQ缩放而努力。

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