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Author : Peter Michael 1968 Valerio
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (139 download)
Download or read book Heavy Quark Production in Heavy-ion Collisions (PHD). written by Peter Michael 1968 Valerio and published by . This book was released on 1996 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Li Yi
Publisher : Springer
ISBN 13 : 1493964879
Total Pages : 97 pages
Book Rating : 4.4/5 (939 download)
Download or read book Study of Quark Gluon Plasma By Particle Correlations in Heavy Ion Collisions written by Li Yi and published by Springer. This book was released on 2016-08-25 with total page 97 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Author : Johann Rafelski
Publisher : Springer
ISBN 13 : 3319175459
Total Pages : 457 pages
Book Rating : 4.3/5 (191 download)
Download or read book Melting Hadrons, Boiling Quarks - From Hagedorn Temperature to Ultra-Relativistic Heavy-Ion Collisions at CERN written by Johann Rafelski and published by Springer. This book was released on 2015-10-21 with total page 457 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book shows how the study of multi-hadron production phenomena in the years after the founding of CERN culminated in Hagedorn's pioneering idea of limiting temperature, leading on to the discovery of the quark-gluon plasma -- announced, in February 2000 at CERN. Following the foreword by Herwig Schopper -- the Director General (1981-1988) of CERN at the key historical juncture -- the first part is a tribute to Rolf Hagedorn (1919-2003) and includes contributions by contemporary friends and colleagues, and those who were most touched by Hagedorn: Tamás Biró, Igor Dremin, Torleif Ericson, Marek Gaździcki, Mark Gorenstein, Hans Gutbrod, Maurice Jacob, István Montvay, Berndt Müller, Grazyna Odyniec, Emanuele Quercigh, Krzysztof Redlich, Helmut Satz, Luigi Sertorio, Ludwik Turko, and Gabriele Veneziano. The second and third parts retrace 20 years of developments that after discovery of the Hagedorn temperature in 1964 led to its recognition as the melting point of hadrons into boiling quarks, and to the rise of the experimental relativistic heavy ion collision program. These parts contain previously unpublished material authored by Hagedorn and Rafelski: conference retrospectives, research notes, workshop reports, in some instances abbreviated to avoid duplication of material, and rounded off with the editor's explanatory notes. About the editor: Johann Rafelski is a theoretical physicist working at The University of Arizona in Tucson, USA. Bor n in 1950 in Krakow, Poland, he received his Ph.D. with Walter Greiner in Frankfurt, Germany in 1973. Rafelski arrived at CERN in 1977, where in a joint effort with Hagedorn he contributed greatly to the establishment of the relativistic heavy ion collision, and quark-gluon plasma research fields. Moving on, with stops in Frankfurt and Cape Town, to Arizona, he invented and developed the strangeness quark flavor as the signature of quark-gluon plasma.
Download or read book Systematic Studies of Heavy Ion Collisions to Search for Quark-Gluon Plasma written by and published by . This book was released on 2007 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This is the final technical report for DOE Outstanding Junior Investigator (OJI) Award, 'Systematic Studies of Heavy Ion Collisions to Search for Quark-Gluon Plasma', grant DE-FG02-02ER41219, Principal Investigator (PI) Fuqiang Wang. The research under the grant was divided into two phases. The first concentrated on systematic studies of soft hadron production at low transverse momentum (p{sub T}), in particular the production of (anti- )baryon and strangeness in heavy ion collisions at RHIC energies. The second concentrated on measurements of di-hadron and multi-hadron jet-correlations and investigations of medium response to jets. The research was conducted at the Relativistic Heavy-Ion Collider (RHIC) at BNL with the Solenoidal Tracker At RHIC (STAR) experiment. The total grant is $214,000. The grant established a PC farm solely used for this research. The PC farm consists of 8 nodes with a total of 16 CPUs and 3 disk servers of total 2 TB shared storage. The current balance of the grant is $19,985. The positive balance is because an initial purchase of $22,600 for the PC farm came out of the PI's start-up fund due to the lateness of the award. The PC farm is an integral part of the Purdue Physics Department's computer cluster. The grant supported two Ph. D. graduate students. Levente Molnar was supported from July 2002 to December 2003, and worked on soft hadron production. His thesis title is Systematics of Identified Particle Production in pp, d-Au and Au-Au Collisions at RHIC Energies. He graduated in 2006 and now is a Postdoctoral fellow at INFN Sezione di Bari, Italy working on the ALICE experiment at the LHC. Jason Ulery was supported from January 2004 to July 2007. His thesis title is Two- and Three-Particle Jet-Like Correlations. He defended his thesis in October 2007 and is moving to Frankfurt University, Germany to work on the ALICE experiment at the LHC. The research by this grant resulted in 7 journal publications (2 PRL, 1 PLB, 1 PRC, 2 submitted and 1 in preparation), and 14 invited talks and 10 contributed talks at major conferences. These are listed at end of this report.
Author : Aaron Angerami
Publisher : Springer
ISBN 13 : 9783319347509
Total Pages : 0 pages
Book Rating : 4.3/5 (475 download)
Download or read book Jet Quenching in Relativistic Heavy Ion Collisions at the LHC written by Aaron Angerami and published by Springer. This book was released on 2016-09-21 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis presents the first measurements of jets in relativistic heavy ion collisions as reported by the ATLAS Collaboration. These include the first direct observation of jet quenching through the observation of a centrality-dependent dijet asymmetry. Also, a series of jet suppression measurements are presented, which provide quantitative constraints on theoretical models of jet quenching. These results follow a detailed introduction to heavy ion physics with emphasis on the phenomenon of jet quenching and a comprehensive description of the ATLAS detector and its capabilities with regard to performing these measurements.
Author : Amand Faessler
Publisher : Pergamon
ISBN 13 :
Total Pages : 392 pages
Book Rating : 4.X/5 (4 download)
Download or read book Heavy Ion Collisions from Nuclear to Quark Matter written by Amand Faessler and published by Pergamon. This book was released on 1999 with total page 392 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hardbound. The proceedings of this workshop focus on recent developments in and research on heavy ion collisions. Furthermore it covers the physics which can be carried out by radioactive beams and with heavy ion storage rings. It contains review articles which examine in depth the latest research results and presents a state-of-art view of this fast exanding field. All the chapters are written by leading experts active in the field today.
Author : Kari J. Eskola
Publisher :
ISBN 13 : 9789516532243
Total Pages : 40 pages
Book Rating : 4.5/5 (322 download)
Download or read book Quark and Gluon Production in Ultrarelativistic Heavy Ion Collisions written by Kari J. Eskola and published by . This book was released on 1991 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Wanda Maria Alberico
Publisher : World Scientific
ISBN 13 : 9814487414
Total Pages : 326 pages
Book Rating : 4.8/5 (144 download)
Download or read book Quark-gluon Plasma And Heavy Ion Collisions: Procs Of A Meeting Held In The Framework Of The Activities Of Giselda, The Italian Working Group On Strong Interactions written by Wanda Maria Alberico and published by World Scientific. This book was released on 2002-09-23 with total page 326 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book offers the unique possibility of tackling the problem of hadronic deconfinement from different perspectives. After general introductions to the physical issues, from both the theoretical and the experimental point of view, the book presents the most recent expertise on field theory approaches to the QCD phase diagram, many-body techniques and applications, the dynamics of phase transitions, and phenomenological analysis of relativistic heavy ion collisions.One of the major goals of this book is to promote interchange among those fields of research, which have traditionally been cultivated by different communities of physicists. The contributions in the book help in obtaining deep comprehension of this new state of matter, a system of deconfined quarks and gluons. At the same time the book offers a few examples of how the seeds of the deconfined state are looked for in the phenomenological analysis of the observables measured in relativistic heavy ion collisions. The main topics are dealt with in a pedagogical style, suitable for beginners as well as experienced researchers.
Author : Maurice Jacob
Publisher :
ISBN 13 :
Total Pages : 600 pages
Book Rating : 4.:/5 (41 download)
Download or read book Quark Matter Formation and Heavy Ion Collisions written by Maurice Jacob and published by . This book was released on 1982 with total page 600 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Michael Mitrovski
Publisher : GRIN Verlag
ISBN 13 : 3656874301
Total Pages : 179 pages
Book Rating : 4.6/5 (568 download)
Download or read book Energy and System Size Dependence of Xi− and Xi+ Production in Relativistic Heavy-Ion Collisions at the CERN SPS written by Michael Mitrovski and published by GRIN Verlag. This book was released on 2015-01-13 with total page 179 pages. Available in PDF, EPUB and Kindle. Book excerpt: Doctoral Thesis / Dissertation from the year 2007 in the subject Physics - Nuclear Physics, grade: 1,0, University of Frankfurt (Main) (Institut für Kernphysik), language: English, abstract: Quarks sind die elementaren Bestandteile, aus denen Hadronen (Baryonen und Mesonen) aufgebaut sind. Zusammen mit den Leptonen und den Eichbosonen gelten sie heute als die fundamentalen Bausteine, aus denen alle Materie aufgebaut ist. Im Standardmodell der Teilchenphysik werden diese Ergebnisse zusammengefasst. Es gibt sechs verschiedene Quark-Arten (flavours): up, down, strange, charm, bottom und top. In der Natur kommen keine isolierten Quarks vor, sondern nur Kombinationen aus z.B. einem Quark-Antiquark Paar (Meson) oder aus drei Quarks (Baryon). Die Quantenchromodynamik (QCD) beschreibt die starke Wechselwirkung zwischen Quarks und Gluonen. Quarks bauen unter anderem Protonen und Neutronen auf. Gluonen vermitteln die Wechselwirkung zwischen den Quarks. Konzeptionell ist die QCD an die Quantenelektrodynamik (QED) angelehnt, die die Wechselwirkung elektrisch geladener Teilchen (z.B. Elektron oder Positron) durch den Austausch von Photonen beschreibt. Analog wirkt die Kraft, die durch den Austausch von Gluonen beschrieben wird, zwischen Teilchen, die eine Farbladung (rot, grün, blau) tragen. Im Vergleich zur QED, wo das Photon neutral ist, trägt das Gluon selbst Farbe und wechselwirkt daher mit anderen Gluonen. Bei kleinen Quarkabständen und hohen Energien bzw. hohen Impulsüberträgen, fällt die Kopplungskonstante der starken Wechselwirkung (αs) ab. Bei kleinem αs sind Quarks und Gluonen schwach gebunden (Asymptotische Freiheit). Bei grossen Abständen bzw. kleinen Impulsüberträgen ist αs gross. Die Zunahme von αs bewirkt, dass unendlich viel Energie benötigt wird, um Quarks aus Hadronen herauszulösen. Dies hat die Folge, dass es günstiger ist ein neues Quark-Antiquark Paar zu erzeugen. Das erklärt, warum Quarks immer in Hadronen (Mesonen und Baryonen) gebunden sind und nie isoliert beobachtet werden können (Confinement).Wenn Kernmaterie stark komprimiert wird, steigen Energiedichte und Temperatur, und möglicherweise erfährt die Kernmaterie einen Phasenübergang zu einem Zustand der als Quark Gluon Plasma (QGP) bezeichnet wird. Das QGP ist ein Zustand der Materie, in dem das Confinement der Quarks und Gluonen aufgehoben ist (Deconfinement). Dieser Zustand ist gekennzeichnet durch ein quasi-freies Verhalten der Quarks und Gluonen. Quarks und Gluonen in Hadronen ein. Im heutigen Universum existiert das QGP höchstens noch im Zentrum von Neutronensternen und explodierenden schwarzen Löchern.
Author : Thomas Lang
Publisher :
ISBN 13 :
Total Pages : 158 pages
Book Rating : 4.:/5 (869 download)
Download or read book Heavy Quark and Charmonium Dynamics in Heavy-ion Collisions written by Thomas Lang and published by . This book was released on 2013 with total page 158 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Tetsuo Matsui
Publisher :
ISBN 13 :
Total Pages : 11 pages
Book Rating : 4.:/5 (33 download)
Download or read book Strangeness Production in Ultrarelativistic Heavy-ion Collisions written by Tetsuo Matsui and published by . This book was released on 1986 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : S. M. Schneider
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (256 download)
Download or read book Formation of Heavy Quarks in Ultrarelativistic Heavy-ion Collisions written by S. M. Schneider and published by . This book was released on 1992 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : W. Plessas
Publisher : Springer
ISBN 13 : 3540457925
Total Pages : 344 pages
Book Rating : 4.5/5 (44 download)
Download or read book Lectures on Quark Matter written by W. Plessas and published by Springer. This book was released on 2008-01-11 with total page 344 pages. Available in PDF, EPUB and Kindle. Book excerpt: This set of lectures deals with the transition from nuclear matter to quark matter. The reader will learn not only about the theory of quark-gluon plasmas but also how they are obtained in the laboratory through heavy-ion collisions or where they can be found in astrophysical objects such as compact stars. The book fills a gap between well-known textbook material and the research literature and is thus perfectly suited for postgraduate students who wish to enter this field, for lecturers looking for advanced material for their courses and for scientists in search of a modern source of reference on these topics.
Author : Jerzy Bartke
Publisher : World Scientific
ISBN 13 : 9810212313
Total Pages : 239 pages
Book Rating : 4.8/5 (12 download)
Download or read book Introduction to Relativistic Heavy Ion Physics written by Jerzy Bartke and published by World Scientific. This book was released on 2009 with total page 239 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book attempts to cover the fascinating field of physics of relativistic heavy ions, mainly from the experimentalist's point of view. After the introductory chapter on quantum chromodynamics, basic properties of atomic nuclei, sources of relativistic nuclei, and typical detector set-ups are described in three subsequent chapters. Experimental facts on collisions of relativistic heavy ions are systematically presented in 15 consecutive chapters, starting from the simplest features like cross sections, multiplicities, and spectra of secondary particles and going to more involved characteristics like correlations, various relatively rare processes, and newly discovered features: collective flow, high pT suppression and jet quenching. Some entirely new topics are included, such as the difference between neutron and proton radii in nuclei, heavy hypernuclei, and electromagnetic effects on secondary particle spectra.Phenomenological approaches and related simple models are discussed in parallel with the presentation of experimental data. Near the end of the book, recent ideas about the new state of matter created in collisions of ultrarelativistic nuclei are discussed. In the final chapter, some predictions are given for nuclear collisions in the Large Hadron Collider (LHC), now in construction at the site of the European Organization for Nuclear Research (CERN), Geneva. Finally, the appendix gives us basic notions of relativistic kinematics, and lists the main international conferences related to this field. A concise reference book on physics of relativistic heavy ions, it shows the present status of this field.
Author :
Publisher :
ISBN 13 :
Total Pages : 5 pages
Book Rating : 4.:/5 (727 download)
Download or read book Heavy Quark Photoproduction in Ultraperipheral Heavy Ion Collisions written by and published by . This book was released on 2002 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Martin Rohrmoser
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (13 download)
Download or read book Study of Correlations of Heavy Quarks in Heavy Ion Collisions and Their Role in Understanding the Mechanisms of Energy Loss in the Quark Gluon Plasma written by Martin Rohrmoser and published by . This book was released on 2017 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Context: Quantum chromodynamics (QCD), the theory of the strong interactions, predicts a new state of matter, the quark-gluon plasma (QGP), where its fundamental degrees of freedom, the quarks and gluons, behave quasi-freely. The required high temperatures and/orparticle densities can be expected for the early stages of the universe and in neutron stars, but have lately become accessible by highly energetic collisions of heavy ion cores. Commonly, these experiments study the QGP by the detection of hard probes, i.e. highly energetic particles, most notably heavy quarks, that pass the medium. The mechanisms of their energy-loss in the QGP are not yet completely understood. In particular, they are attributed to processes of either additional, medium induced radiation or 2 to 2 particle scattering, or combinations thereof.Methods: In a theoretical, phenomenological approach to search for new observables that allow discriminating between these collisional and radiative energy-loss mechanisms a Monte-Carlo algorithm that simulates the formation of particle cascades from an initial particle was implemented. For the medium, different types of QGP-jet interactions, corresponding to collisional and/orradiative energy loss, were introduced. Correlations between pairs of final cascade particles, where one represents a heavy trigger quark, were investigated as a means to differentiate between these models.Findings: The dependence of angular opening for two particle correlations as a function of particle energy may provide a means to disentangle collisional and radiative mechanisms of in-medium energy loss.
