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Nuclear Physics Seminars at BNL
Probing jet energy-loss in high-multiplicity proton-lead collisions at the LHC
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Description
High-energy jets are produced by the fragmentation of partons (quarks and gluons) that underwent hard scattering in the early stages of a collision. For quite a number of years, jets have been successfully used to probe the properties of the special form of matter, the quark gluon plasma (QGP), formed in high-energy heavy ion collisions. One of the most recognized signatures of the QGP, the jet quenching phenomenon (where high-energy partons lose energy as they traverse the hot and dense medium), has been evidenced by a wide range of RHIC and LHC measurements from nucleus–nucleus collisions.
More recently, experimental results through multiparticle correlation techniques provided some evidence of possible QGP formation in the smaller colliding systems, such as high-multiplicity proton-proton and proton-lead collisions, but confirmation of the jet quenching expected for QGP remains elusive for such collisions.
This seminar presents systematic measurements of dijet properties and charged hadron azimuthal anisotropies in high-multiplicity proton–nucleus collisions, aiming to probe parton energy-loss at top LHC energies.
