Measurement Of 1s 2s 3s Production In P P And Au Au Collisions At Snn PDF Download

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Measurement of ?(1S+2S+3S) Production in P+p and Au + Au Collisions at SNN

Measurement of ?(1S+2S+3S) Production in P+p and Au + Au Collisions at SNN
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Release: 2015
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We present measurements of bottomonium production in heavy-ion and p+p collisions at the Relativistic Heavy Ion Collider (RHIC). The inclusive yield of the three ? states, ?(1S+2S+3S), was measured in the PHENIX experiment via electron-positron decay pairs at midrapidity for Au+Au and p+p collisions at sNN=200 GeV. The ?(1S+2S+3S)→e+e- differential cross section at midrapidity was found to be Beed?/dy=108±38(stat)±15(syst)±11(luminosity) pb in p+p collisions. The nuclear modification factor in the 30% most central Au+Au collisions indicates a suppression of the total ? state yield relative to the extrapolation from p+p collision data. In conclusion, the suppression is consistent with measurements made by STAR at RHIC and at higher energies by the CMS experiment at the Large Hadron Collider.


Measurement of [Upsilon](1S + 2S +3S) Production in P + P and Au + Au Collisions at \(\sqrt{s_{\mathrm{NN}}}

Measurement of [Upsilon](1S + 2S +3S) Production in P + P and Au + Au Collisions at \(\sqrt{s_{\mathrm{NN}}}
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Release: 2015
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Measurements of bottomonium production in heavy-ion and p+p collisions at the Relativistic Heavy Ion Collider (RHIC) are presented. The inclusive yield of the three [Upsilon] states, [Upsilon](1S + 2S + 3S), was measured in the PHENIX experiment via electron-positron decay pairs at midrapidity for Au+Au and p+p collisions at \(\sqrt{s_{\mathrm{NN}}}=200\) GeV. The [Upsilon](1S + 2S + 3S) 2!ee− differential cross section at midrapidity was found to be Beed[sigma]/dy = 108 ± 38 (stat) ± 15 (syst) ± 11 (luminosity) pb in p+p collisions. The nuclear modification factor in the 30% most central Au+Au collisions indicates a suppression of the total [Upsilon] state yield relative to the extrapolation from p+p collision data. Thus, the suppression is consistent with measurements at higher energies by the CMS experiment at the Large Hadron Collider.


Measurement of the D0 Meson Production in Pb–Pb and p–Pb Collisions

Measurement of the D0 Meson Production in Pb–Pb and p–Pb Collisions
Author: Andrea Festanti
Publisher: Springer
Total Pages: 184
Release: 2016-09-07
Genre: Science
ISBN: 3319434551

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This thesis presents the first measurement of charmed D0 meson production relative to the reaction plane in Pb–Pb collisions at the center-of-mass energy per nucleon-nucleon collision of √sNN = 2.76 TeV. It also showcases the measurement of the D0 production in p–Pb collisions at √sNN = 5.02 TeV with the ALICE detector at the CERN Large Hadron Collider. The measurement of the D0 azimuthal anisotropy with respect to the reaction plane indicates that low- momentum charm quarks participate in the collective expansion of the high-density, strongly interacting medium formed in ultra-relativistic heavy-ion collisions, despite their large mass. This behavior can be explained by charm hadronization via recombination with light quarks from the medium and collisional energy loss. The measurement of the D0 production in p–Pb collisions is crucial to separate the effect induced by cold nuclear matter from the final- state effects induced by the hot medium formed in Pb–Pb collisions. The D0 production in p–Pb collisions is consistent with the binary collision scaling of the production in pp collisions, demonstrating that the modification of the momentum distribution observed in Pb–Pb collisions with respect to pp is predominantly induced by final-state effects such as the charm energy loss.


Quark Confinement and the Hadron Spectrum V

Quark Confinement and the Hadron Spectrum V
Author: N. Brambilla
Publisher: World Scientific
Total Pages: 551
Release: 2003
Genre: Science
ISBN: 9812704264

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This book provides an update on our understanding of strong interaction, with theoretical and experimental highlights included. It is divided into five sections. The first section is devoted to the investigations into and the latest results on the mechanism of quark confinement. The second and third sections focus respectively on light and heavy quarks (effective field theories, SchwingerOCoDyson approach and lattice QCD results). The fourth section deals with the deconfinement mechanism and quarkOCogluon plasma formation signals. The last section presents highlights of experiments, new physics beyond QCD, and nonperturbative approaches in other theories (strings and SUSY) that may be useful in QCD."


Quark Confinement And The Hadron Spectrum V, Proceedings Of The 5th International Conference

Quark Confinement And The Hadron Spectrum V, Proceedings Of The 5th International Conference
Author: Nora Serafina Brambilla
Publisher: World Scientific
Total Pages: 551
Release: 2003-08-27
Genre: Science
ISBN: 9814485810

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This book provides an update on our understanding of strong interaction, with theoretical and experimental highlights included. It is divided into five sections. The first section is devoted to the investigations into and the latest results on the mechanism of quark confinement. The second and third sections focus respectively on light and heavy quarks (effective field theories, Schwinger-Dyson approach and lattice QCD results). The fourth section deals with the deconfinement mechanism and quark-gluon plasma formation signals. The last section presents highlights of experiments, new physics beyond QCD, and nonperturbative approaches in other theories (strings and SUSY) that may be useful in QCD.


Proceedings of the Sixth Workshop on Non-Perturbative QCD

Proceedings of the Sixth Workshop on Non-Perturbative QCD
Author: Herbert Martin Fried
Publisher: World Scientific
Total Pages: 416
Release: 2002
Genre: Science
ISBN: 9789812778352

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This volume is devoted to different facets of QCD, stressing non-perturbative, analytic and lattice formulations, scattering solutions and approximations, and the understanding of recent RHIC experiments. It discusses ideas of the fifth dimension, originating in brane theory, as well as possible experimental tests and predictions of those ideas.


Gribov-85 Memorial Volume: Exploring Quantum Field Theory - Proceedings Of The Memorial Workshop Devoted To The 85th Birthday Of V N Gribov

Gribov-85 Memorial Volume: Exploring Quantum Field Theory - Proceedings Of The Memorial Workshop Devoted To The 85th Birthday Of V N Gribov
Author: Yuri L Dokshitzer
Publisher: World Scientific
Total Pages: 549
Release: 2016-09-16
Genre: Science
ISBN: 9813141719

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Vladimir Naumovich Gribov is one of the creators of modern theoretical physics. The concepts and methods that Gribov has developed in the second half of the 20th century became cornerstones of the physics of high energy hadron interactions (relativistic theory of complex angular momenta, a notion of the vacuum pole — Pomeron, effective reggeon field theory), condensed matter physics (critical phenomena), neutrino oscillations, and nuclear physics.His unmatched insights into the nature of the quantum field theory helped to elucidate, in particular, the origin of classical solutions (instantons), quantum anomalies, specific problems in quantization of non-Abelian fields (Gribov anomalies, Gribov horizon), and the role of light quarks in the color confinement phenomenon.The fifth memorial workshop which marked Gribov's 85th birthday took place at the Landau Institute for Theoretical Physics, Russia, in June 2015. Participants of the workshop who came to Chernogolovka from different parts of the world presented new results of studies of many challenging theoretical physics problems across a broad variety of topics, and shared memories about their colleague, great teacher and friend.This book is a collection of the presented talks and contributed papers, which affirm the everlasting impact of Gribov's scientific heritage upon the physics of the 21st century.


Hadron Collider Physics 2005

Hadron Collider Physics 2005
Author: Mario Campanelli
Publisher: Springer Science & Business Media
Total Pages: 360
Release: 2007-08-17
Genre: Science
ISBN: 3540328416

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This book gathers the proceedings of The Hadron Collider Physics Symposia (HCP) 2005, and reviews the state-of-the-art in the key physics directions of experimental hadron collider research. Topics include QCD physics, precision electroweak physics, c-, b-, and t-quark physics, physics beyond the Standard Model, and heavy ion physics. The present volume serves as a reference for everyone working in the field of accelerator-based high-energy physics.


Proceedings of the 31st International Conference on High Energy Physics ICHEP 2002

Proceedings of the 31st International Conference on High Energy Physics ICHEP 2002
Author: S. Bentvelsen
Publisher: Elsevier
Total Pages: 1004
Release: 2012-12-02
Genre: Science
ISBN: 0444599169

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The first precision measurements on CP violation in the B system are reported. Both the BELLE and the BABAR collaboration presented, among others, results for sin 2ß with much improved accuracy. Results from the Sudbury Neutrino Observatory, SNO, also deserve to be mentioned. The convincing evidence of solar neutrino oscillations had been presented by SNO prior to the conference; a full presentation was given at the conference. An incredibly precise measurement of the anomalous magnetic moment of the muon is reported, a fresh result from the Brookhaven National Laboratory. Apart from these distinct physics highlights, there are also the first results from the new Tevatron run and from the relativistic heavy ion collider RHIC. Theorists write of our ever better understanding of the Standard Model and of what might lie beyond. Risky as it is to highlight only a couple of exciting subjects, it is merely meantto whet the appetite for further reading.


Status Of Theoretical Understanding And Of Experimental Power For Lhc Physics And Beyond - 50th Anniversary Celebration Of The Quark - Proceedings Of The International School Of Subnuclear Physics

Status Of Theoretical Understanding And Of Experimental Power For Lhc Physics And Beyond - 50th Anniversary Celebration Of The Quark - Proceedings Of The International School Of Subnuclear Physics
Author: Antonino Zichichi
Publisher: World Scientific
Total Pages: 413
Release: 2016-11-01
Genre: Science
ISBN: 9813148691

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Proceedings of the International School of Subnuclear Physics, ISSP 2014, 52nd Course, ERICE, Erice, 24 June - 3 July 2014.