LHC的ATLAS探测器的重离子物理展望
Heavy Ion Physics Prospects with the ATLAS Detector at the LHC
摘要：
随着大型强子对撞机的建成，相对论性重离子碰撞的下一个重要能量前沿正在迅速接近，ATLAS实验将为理解极端条件下的QCD物质做出重要贡献。虽然设计用于高能p+p碰撞中的高pT测量，但该探测器非常适合研究重离子碰撞的许多方面，从体现象到高pT和重味物理。凭借其大型和精细分段的电磁和强子量能器，ATLAS探测器在测量光子和喷流方面表现出色，这是LHC非常感兴趣的可观测量。在这次演讲中，我们将重点介绍ATLAS探测器在LHC中用于Pb+Pb碰撞的性能，特别强调ATLAS物理计划的一个关键特征：射流和直接光子测量。
英文摘要：
The next great energy frontier in Relativistic Heavy Ion Collisions is quickly approaching with the completion of the Large Hadron Collider and the ATLAS experiment is poised to make important contributions in understanding QCD matter at extreme conditions. While designed for high-pT measurements in high-energy p+p collisions, the detector is well suited to study many aspects of heavy ion collisions from bulk phenomena to high-pT and heavy flavor physics. With its large and finely segmented electromagnetic and hadronic calorimeters, the ATLAS detector excels in measurements of photons and jets, observables of great interest at the LHC. In this talk, we highlight the performance of the ATLAS detector for Pb+Pb collisions at the LHC with special emphasis on a key feature of the ATLAS physics program: jet and direct photon measurements.
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