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Two Particle Correlations And The Ridge In Relativistic Heavy Ion Collisions, George Stevens Moschelli
Two Particle Correlations And The Ridge In Relativistic Heavy Ion Collisions, George Stevens Moschelli
Wayne State University Dissertations
Measurements at the Relativistic Heavy Ion Collider (RHIC) find an enhancement of two particle correlations in relativistic heavy ion collisions, not present in proton-proton collisions. Because the correlation structure is wide in relative pseudorapidity and narrow in relative azimuthal angle, it is known as the ridge. The most striking feature of the ridge is that it seems to extend to a long range in relative pseudorapidity where causality limits interaction. Similar ridge structures are observed in correlations of particles associated with and without a jet trigger. We argue that the untriggered ridge arises when particles formed in an early Glasma …