Heavy-Ion Physics with the Compact Muon Solenoid (CMS) Detector at the Large Hadron Collider (LHC)

2021 ◽  
Vol 84 (1) ◽  
pp. 34-36
Author(s):  
S. V. Petrushanko
2016 ◽  
Vol 25 (07) ◽  
pp. 1642006 ◽  
Author(s):  
Renu Bala ◽  
Irais Bautista ◽  
Jana Bielčíková ◽  
Antonio Ortiz

In this work, we review what we consider are some of the most relevant results of heavy-ion physics at the Large Hadron Collider (LHC). This paper is not intended to cover all the many important results of the experiments, instead we present a brief overview of the current status on the characterization of the hot and dense Quantum-Chromo Dynamics (QCD) medium produced in the heavy-ion collisions. Recent exciting results which are still under debate are discussed too, leading to intriguing questions like whether we have a real or fake Quark-Gulon Plasma (QGP) formation in small systems.


Universe ◽  
2019 ◽  
Vol 5 (1) ◽  
pp. 18
Author(s):  
Martina Ressegotti ◽  

The Compact Muon Solenoid (CMS) detector is one of the two multipurpose experiments at the Large Hadron Collider (LHC). It has successfully collected data during Run 1 (2010–2013) and achieved important physics results, like the discovery of the Higgs boson announced in 2012. Willing to unravel further open questions not yet explained by the standard model, intense activities have been performed to further improve the detector and the trigger before the LHC restart in 2016 (Run 2), in parallel with the upgrade of the LHC. The achieved global performance of the CMS experiment and of several subdetectors will be presented.


Author(s):  
J. Schukraft

After close to 20 years of preparation, the dedicated heavy-ion experiment A Large Ion Collider Experiment (ALICE) took first data at the CERN Large Hadron Collider (LHC) accelerator with proton collisions at the end of 2009 and with lead nuclei at the end of 2010. After a short introduction into the physics of ultra-relativistic heavy-ion collisions, this article recalls the main design choices made for the detector and summarizes the initial operation and performance of ALICE. Physics results from this first year of operation concentrate on characterizing the global properties of typical, average collisions, both in proton–proton (pp) and nucleus–nucleus reactions, in the new energy regime of the LHC. The pp results differ, to a varying degree, from most quantum chromodynamics-inspired phenomenological models and provide the input needed to fine tune their parameters. First results from Pb–Pb are broadly consistent with expectations based on lower energy data, indicating that high-density matter created at the LHC, while much hotter and larger, still behaves like a very strongly interacting, almost perfect liquid.


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