Spin Correlations in tt Events from pp Collisions, Boris Lemmer

Автор: Yi
Название: Study of Quark Gluon Plasma By Particle Correlations in Heavy Ion Collisions
ISBN: 1493964852 ISBN-13(EAN): 9781493964857
Издательство: Springer
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Описание: This thesis covers several important topics relevant to our understanding of quark-gluon plasma. It describes measurement of the third-order harmonic flow using two-particle correlations and isolation of flow and non-flow contributions to particle correlations in gold-gold collisions. The work also investigates long-range longitudinal correlations in small systems of deuteron-gold collisions. The former is related to the hydrodynamic transport properties of the quark-gluon plasma created in gold-gold collisions. The latter pertains to the question whether hydrodynamics is applicable to small systems, such as deuteron-gold collisions, and whether the quark-gluon plasma can be formed in those small-system collisions. The work presented in this thesis was conducted with the STAR experiment at the Relativistic Heavy Ion Collider at Brookhaven National Laboratory, where the center-of-mass energy of both collision systems was a factor of 100 larger than the rest mass of the colliding nuclei. The results contained in this thesis are highly relevant to our quest for deeper understanding of quantum chromodynamics. The results obtained challenge the interpretation of previous works from several other experiments on small systems, and provoke a fresh look at the physics of hydrodynamics and particle correlations pertinent to high energy nuclear collisions.

Автор: Aaron Angerami
Название: Jet Quenching in Relativistic Heavy Ion Collisions at the LHC
ISBN: 3319012185 ISBN-13(EAN): 9783319012186
Издательство: Springer
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Описание: This thesis presents the first measurements of jets in relativistic heavy ion collisions as reported by the ATLAS Collaboration. Also, a series of jet suppression measurements are presented, which provide quantitative constraints on theoretical models of jet quenching.

Автор: Andrew Chisholm
Название: Measurements of the X c and X b Quarkonium States in pp Collisions with the ATLAS Experiment
ISBN: 3319231197 ISBN-13(EAN): 9783319231198
Издательство: Springer
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Описание: This thesis, which won one of the six 2015 ATLAS Thesis Awards, concerns the study of the charmonium and bottomonium bound heavy quark bound states. The second part of the thesis presents measurements of the prompt and non-prompt production of the chi_c1 and chi_c2 charmonium states in proton-proton collisions.