论文标题
在一个实验中碰撞和固定目标模式 - 一种在新的极端条件下研究问题的新方法
Colliding and Fixed Target Mode in a Single Experiment -- A Novel Approach to Study the Matter under New Extreme Conditions
论文作者
论文摘要
在这里，我们提出了一种新颖的方法，可以在新的极端条件下在实验和理论上研究QCD物质的性质，即初始温度超过300 〜MEV，而Baryonic电荷密度超过了正常核密度值的三倍。根据当代理论知识，在早期宇宙演变中无法获得此类条件，并且现在在已知的天体物理现象中无法获得。为了达到这些新的极端条件，我们提议通过将两个碰撞梁散射在固定靶标的相互作用区域的固体目标的核上，在LHC或其他山脉上进行高发光实验。在合理的假设下，我们估算了P+C+P和Pb+Pb+Pb反应的反应速率，并讨论对此类反应的靶标的能量沉积以及可能的固定靶标的类型。为了模拟三重核碰撞，我们采用了众所周知的额外液体质量碰撞能量2.76 TEV的模型。由于我们的建模结果，我们发现，在最中心和同时的三重核冲突中，初始的男性核电密度大约是该能量上普通二元核冲突中的最初的重态电荷密度约为三倍。
Here, we propose a novel approach to experimentally and theoretically study the properties of QCD matter under new extreme conditions, namely having an initial temperature over 300~MeV and baryonic charge density over three times the values of the normal nuclear density. According to contemporary theoretical knowledge, such conditions were not accessible during the early Universe evolution and are not accessible now in the known astrophysical phenomena. To achieve these new extreme conditions, we proposed performing high-luminosity experiments at LHC or other colliders by means of scattering the two colliding beams at the nuclei of a solid target that is fixed at their interaction region. Under plausible assumptions, we estimate the reaction rate for the p+C+p and Pb+Pb+Pb reactions and discuss the energy deposition into the target and possible types of fixed targets for such reactions. To simulate the triple nuclear collisions, we employed the well-known UrQMD 3.4 model for the beam center-of-mass collision energies 2.76 TeV. As a result of our modeling, we found that, in the most central and simultaneous triple nuclear collisions, the initial baryonic charge density is approximately three times higher than the one achieved in the ordinary binary nuclear collisions at this energy.
