论文标题

CERN SPS的Na60+实验研究DILEPTON和大型夸克产生,以$μ__{B} $

The NA60+ experiment at the CERN SPS to study dilepton and heavy quark production at large $μ_{B}$

论文作者

Borysova, Maryna

论文摘要

QCD相图的高实源密度的区域是几项研究的对象,该研究重点是研究相变的顺序和寻找临界点。包括电磁观测值和重型夸克的稀有探针在实验上是具有挑战性的,因为它们需要大量的集成灯泡,并且可以通过固定目标实验进行研究。提出了未来的实验,即CERN的Na60+,以访问该区域,并对Charmonium区域进行准确的Dimuon光谱测量,并研究魅力和奇怪的Hadron。凭借其远光强度,CERN SPS可以覆盖6至17 GEV的质量碰撞能量区域,从而可以访问迄今为止几乎没有研究的罕见可观察物。提出的实验包括基于跟踪气体探测器与基于SI探测器的顶点光谱仪结合使用的MUON光谱仪。 LHC的长时间关闭3(过去2029年)的时间插槽的目的是使用PB和质子束进行第一个数据检测。在这项贡献中,我们回顾了该项目和最近的研发工作,包括对观察物的物理表现的技术方面和研究。

The region of high baryonic densities of the QCD phase diagram is the object of several studies focused on the investigation of the order of the phase transition and the search for the critical point. The rare probes, which include electromagnetic observables and heavy quark production, are experimentally challenging to access as they require large integrated luminosities that could be studied with fixed-target experiments. A future experiment, NA60+ at CERN, is being proposed to access this region and perform accurate measurements of the dimuon spectrum up to the charmonium region and study charm and strange hadrons. With its high beam intensity, the CERN SPS can cover the center-of-mass collision energy region from 6 to 17 GeV providing access to rare observables which have been scarcely studied until now. The proposed experiment includes a muon spectrometer based on tracking gas detectors coupled to a vertex spectrometer based on Si detectors. The time slot after the Long Shutdown 3 of the LHC (past 2029) is aimed for the first data-taking, with Pb and proton beams. In this contribution, we review the project and recent R&D effort, including the technical aspects and the studies of the physics performances for the observables.

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