HEP: Big trouble in small systems? Recent CMS results on pp, pPb and PbPb collisions
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Gunther Roland, Massachusetts Institute of Technology
Experiments at RHIC and LHC suggest that in high-energy heavy-ion collisions a hot medium
with unique properties is formed - the quark-gluon plasma. I will briefly review some of the most
striking observations from these experiments and then discuss recent results from pp and pPb
collisions (with particular emphasis on the CMS experiment at LHC). These new data may require a re-evaluation of some of the elements of our “standard model” of heavy-ion collisions.