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Qcd Hydrodynamics For Lhc And Rhic
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Book Synopsis QCD Hydrodynamics for LHC and RHIC. by :
Download or read book QCD Hydrodynamics for LHC and RHIC. written by and published by . This book was released on 2002 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt: The realistic and detailed description of an energetic heavy ion reaction requires a Multi Module Model, where the different stages of the reaction are each described with a suitable theoretical approach. One fluid dynamical models provide an adequate and accurate description of the middle stages of the reaction. In addition, fluid dynamical calculations require initial and freeze out conditions. In this work we concentrate on the modeling of the initial stages of the reaction, before the local thermal equilibrium is achieved, and on the freeze out process. We discuss the possibility of the fast simultaneous hadronization and chemical freeze out of supercooled QGP, as a possible solution of the HBT 'puzzle'.
Book Synopsis Relativistic Dissipative Hydrodynamic Description of the Quark-Gluon Plasma by : Akihiko Monnai
Download or read book Relativistic Dissipative Hydrodynamic Description of the Quark-Gluon Plasma written by Akihiko Monnai and published by Springer Science & Business Media. This book was released on 2014-01-20 with total page 138 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis presents theoretical and numerical studies on phenomenological description of the quark–gluon plasma (QGP), a many-body system of elementary particles. The author formulates a causal theory of hydrodynamics for systems with net charges from the law of increasing entropy and a momentum expansion method. The derived equation results can be applied not only to collider physics, but also to the early universe and ultra-cold atoms. The author also develops novel off-equilibrium hydrodynamic models for the longitudinal expansion of the QGP on the basis of these equations. Numerical estimations show that convection and entropy production during the hydrodynamic evolution are key to explaining excessive charged particle production, recently observed at the Large Hadron Collider. Furthermore, the analyses at finite baryon density indicate that the energy available for QGP production is larger than the amount conventionally assumed.
Book Synopsis Quasiparticle Anisotropic Hydrodynamics in Ultra-relativistic Heavy-ion Collisions by : Mubarak Aydh K. Alqahtani
Download or read book Quasiparticle Anisotropic Hydrodynamics in Ultra-relativistic Heavy-ion Collisions written by Mubarak Aydh K. Alqahtani and published by . This book was released on 2017 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the last century, matter was confirmed to be made up from molecules which consist of two atoms or more. The atom itself consists of a nucleus made of protons and neutrons, and electrons "circling'' around the nucleus. The number of electrons or protons distinguish different elements. Later on, protons and neutrons were found not to be elementary particles but rather composite particles. The question turned then to be what are protons and neutrons made of and this is the focus of elementary particle physics. According to the standard model, protons and neutrons are made up of quarks and gluons. The theory that describes quarks and gluons is called quantum chromodynamics (QCD). According to this theory, quarks and gluons can not be detected freely; they appear only inside hadrons but are never observed freely (confinement). However, at high temperatures and/or densities a transition may happen where quarks and gluons do not exist in bound states (hadrons) anymore but rather exist freely (the asymptotic freedom). This phase of the nuclear matter is known as the quark-gluon plasma (QGP).To learn more about the QCD phase diagram, mainly the confinement and de-confinement transition, many different experiments have been performed from fixed target experiments to high-energy heavy-ion collisions in almost three decades. The discovery of QGP came from ultrarelativistic heavy-ion collision (URHIC) experiments. By ultrarelativistic heavy-ion collisions, we mean heavy ions like gold or lead that have been accelerated to speeds which are close to the speed of light (the ion momentum is much larger than its rest mass). Nowadays, ultrarelativistic heavy-ion collision experiments at the Relativistic Heavy Ion Collider (RHIC) and Large Hadron Collider (LHC) are being used to create and study the quark-gluon plasma. From the early days after confirming the existence of the QGP, relativistic hydrodynamics has been used to describe the hadron spectra and collective flow seen in these experiments and has been quite successful. Since then, different approaches have been developed to model the physics of the QGP. The first approach used was ideal hydrodynamics where the QGP is assumed to behave like a perfect fluid with no viscosity. However, improvements in both the experimental and theoretical sides demonstrated the importance of including dissipative (viscous) effects in QGP modeling. The resulting relativistic viscous hydrodynamics models have been quite successful in describing the data. Despite this success, studies found that the QGP generated in URHICs is a highly momentum-space anisotropic plasma which means that viscous hydrodynamics will break down in some situations. To take this into account, anisotropic hydrodynamics (aHydro) was developed. In aHydro, one includes the momentum-space anisotropies in the distribution function at leading-order, whereas viscous hydrodynamics is expanded around the isotropic distribution function as the leading term and the viscous effects are included as correction terms. In this study, we present a new method for imposing a realistic equation of state in anisotropic hydrodynamics which is called quasiparticle anisotropic hydrodynamics (aHydroQP). In this method, we introduce a single finite-temperature quasiparticle mass which is fit to QCD lattice data. By taking moments of the Boltzmann equation assuming an anisotropic distribution function, we obtain a set of coupled partial differential equations which can be used to describe the 3+1d spacetime evolution of the QGP. Due to the numerical difficulties and the need to understand this new method more, instead of considering the 3+1d case immediately, we begin by studying two simpler cases. First, we specialize to the case of a 0+1d system undergoing boost-invariant Bjorken expansion and compare with the standard method of imposing the equation of state in anisotropic hydrodynamics (aHydro). We find practically no differences between the two methods results for the temperature evolution and the scaled energy density. When we compare the pressure anisotropy, we see only small differences, however, we find significant differences in the evolution of the bulk pressure correction. Second, we present the results in azimuthally-symmetric boost-invariant (1+1d) systems and compare the quasiparticle model with the standard aHydro model and second order viscous hydrodynamics. We compare the three methods' predictions for the primordial particle spectra, total number of charged particles, and average transverse momentum for various values of the shear viscosity to entropy density ratio. We show that they agree well for small shear viscosity to entropy density ratio, but show clear differences at large values of shear viscosity to entropy density ratio. Third, and most importantly, we present the phenomenological predictions of 3+1d quasiparticle anisotropic hydrodynamics compared with LHC 2.76 TeV Pb-Pb collisions. We present comparisons of charged-hadron multiplicity, identified-particle spectra, identified-particle average transverse momentum, charged-particle elliptic flow, identified-particle elliptic flow, elliptic flow as a function of pseudorapidity, and HBT radii. We find good agreement when compared with ALICE data. Looking to the future, we plan to include next-leading-order anisotropic hydrodynamics corrections by including the off-diagonal terms of the anisotropy tensor in quasiparticle anisotropic hydrodynamics. However, since this will be very hard and numerically intense, we consider first next-leading-order anisotropic hydrodynamics using the standard method for imposing the equation of state. To do so, we Taylor-expand assuming small off-diagonal terms to make the formalism easier and numerically tractable. Then, by taking moments of the Boltzmann equation, we find the dynamical equations needed to model the full 3+1d system. In this part of the work, we present only the theory setup and leave the numerical analysis for a future work.
Book Synopsis Gauge/string Duality, Hot QCD and Heavy Ion Collisions by :
Download or read book Gauge/string Duality, Hot QCD and Heavy Ion Collisions written by and published by . This book was released on 2014 with total page 460 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Relativistic Heavy-ion Collisions by : Rudolph C. Hwa
Download or read book Relativistic Heavy-ion Collisions written by Rudolph C. Hwa and published by CRC Press. This book was released on 1990 with total page 338 pages. Available in PDF, EPUB and Kindle. Book excerpt: Papers of the June 1989 meeting in Beijing by the China Center of Advanced Science and Technology. This small book covers nucleus- nucleus collisions, states of the vacuum, and highly relativistic heavy ions in the experimental realm. Theoretical papers deal with quark-gluon plasma, and relativistic heavy ion collisions. Annotation copyrighted by Book News, Inc., Portland, OR
Book Synopsis Quark-gluon Plasma 4 by : Rudolph C. Hwa
Download or read book Quark-gluon Plasma 4 written by Rudolph C. Hwa and published by World Scientific. This book was released on 2010 with total page 450 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is a review volume containing articles written by experts on current theoretical topics in the subject of Quark-Gluon Plasma created in heavy-ion collisions at high energy. It is the fourth volume in the series with the same title sequenced numerically. The articles are written in a pedagogical style so that they can be helpful to a wide range of researchers from graduate students to mature physicists who have not worked previously on the subject. A reader should be able to learn from the reviews without having extensive knowledge of the background literature.
Book Synopsis Gauge/String Duality, Hot QCD and Heavy Ion Collisions by : Jorge Casalderrey-Solana
Download or read book Gauge/String Duality, Hot QCD and Heavy Ion Collisions written by Jorge Casalderrey-Solana and published by Cambridge University Press. This book was released on 2023-07-31 with total page 469 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis DIFFRACTION 2002: Interpretation of the New Diffractive Phenomena in Quantum Chromodynamics and in the S-Matrix Theory by : R. Fiore
Download or read book DIFFRACTION 2002: Interpretation of the New Diffractive Phenomena in Quantum Chromodynamics and in the S-Matrix Theory written by R. Fiore and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 334 pages. Available in PDF, EPUB and Kindle. Book excerpt: Proceedings of the NATO Advanced Research Workshop, Alushta, Crimea, Ukraine, from 31 August to 6 September 2002
Book Synopsis The Physics of the Quark-Gluon Plasma by : Sourav Sarkar
Download or read book The Physics of the Quark-Gluon Plasma written by Sourav Sarkar and published by Springer. This book was released on 2009-11-25 with total page 374 pages. Available in PDF, EPUB and Kindle. Book excerpt: The aim of this book is to offer to the next generation of young researchers a broad and largely self-contained introduction to the physics of heavy ion collisions and the quark-gluon plasma, providing material beyond that normally found in the available textbooks. For each of the main aspects - QCD thermodynamics and global features of the QGP, collision hydrodynamics, electromagnetic probes, jet and quarkonium production, color glass condensate, and the gravity connection - the present volume provides extensive and pedagogical lectures, surveying the present status of both theory and experiment. A particular feature of this volume is that all lectures have been written with the active assistance of selected students present at the course in order to ensure the adequate level and coverage for the intended readership.
Book Synopsis Quark--Gluon Plasma 3 by : Rudolph C. Hwa
Download or read book Quark--Gluon Plasma 3 written by Rudolph C. Hwa and published by World Scientific. This book was released on 2004 with total page 786 pages. Available in PDF, EPUB and Kindle. Book excerpt: Annotation. Text reviews the major topics in Quark-Gluon Plasma, including: the QCD phase diagram, the transition temperature, equation of state, heavy quark free energies, and thermal modifications of hadron properties. Includes index, references, and appendix. For researchers and practitioners.
Book Synopsis Quark-gluon Plasma, Heavy Ion Collisions And Hadrons by : Edward V Shuryak
Download or read book Quark-gluon Plasma, Heavy Ion Collisions And Hadrons written by Edward V Shuryak and published by World Scientific. This book was released on 2024-02-28 with total page 633 pages. Available in PDF, EPUB and Kindle. Book excerpt: This third book on Quark-Gluon plasma and heavy ion collisions follows the previous ones, published in 1988 and 2005, that described theoretical proposals for a large program, and then the QGP discovery at RHIC.The present one describes the rather mature field, with extensive program at RHIC and LHC colliders and corresponding theory. QGP turns out to be a strongly coupled medium made up of quarks and gluons, existing in exploding fireballs. It is the hottest form of matter created in a laboratory. Other subjects discussed in the book are QCD vacuum structure, including topological solitons and nonperturbative phenomena. It also includes some recent progress in theory of hadrons, bridging hadronic spectroscopy with partonic observables.
Book Synopsis The Black Book of Quantum Chromodynamics by : John Campbell
Download or read book The Black Book of Quantum Chromodynamics written by John Campbell and published by Oxford University Press. This book was released on 2018 with total page 760 pages. Available in PDF, EPUB and Kindle. Book excerpt: This title provides an in-depth introduction to the particle physics of current and future experiments at particle accelerators. The text provides the reader with an overview of practically all aspects of the strong interaction necessary to understand and appreciate modern particle phenomenology at the energy frontier.
Book Synopsis The Deconfinement Transition of QCD by : Claudia Ratti
Download or read book The Deconfinement Transition of QCD written by Claudia Ratti and published by Springer Nature. This book was released on 2021-06-14 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the last few years, numerical simulations of QCD on the lattice have reached a new level of accuracy. A wide range of thermodynamic quantities is now available in the continuum limit and for physical quark masses. This allows a comparison with measurements from heavy ion collisions for the first time. Furthermore, calculations of dynamical quantities are also becoming available. The combined effort from first principles and experiment allows to gain an unprecedented understanding of the properties of quark-gluon plasma. This concise text, geared towards postgraduate students and newcomers to the field, carefully introduces and reviews the state-of-the-art techniques and results from lattice simulations and connects them to the experimental information from RHIC and the LHC.
Book Synopsis The CBM Physics Book by : Bengt Friman
Download or read book The CBM Physics Book written by Bengt Friman and published by Springer Science & Business Media. This book was released on 2011-03-10 with total page 973 pages. Available in PDF, EPUB and Kindle. Book excerpt: This exhaustive survey is the result of a four year effort by many leading researchers in the field to produce both a readable introduction and a yardstick for the many upcoming experiments using heavy ion collisions to examine the properties of nuclear matter. The books falls naturally into five large parts, first examining the bulk properties of strongly interacting matter, including its equation of state and phase structure. Part II discusses elementary hadronic excitations of nuclear matter, Part III addresses the concepts and models regarding the space-time dynamics of nuclear collision experiments, Part IV collects the observables from past and current high-energy heavy-ion facilities in the context of the theoretical predictions specific to compressed baryonic matter. Part V finally gives a brief description of the experimental concepts. The book explicitly addresses everyone working or planning to enter the field of high-energy nuclear physics.
Book Synopsis Quark-gluon Plasma 3 by : Rudolph C Hwa
Download or read book Quark-gluon Plasma 3 written by Rudolph C Hwa and published by World Scientific. This book was released on 2004-01-20 with total page 786 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is a review monograph on quark-gluon plasma (QGP). Different theoretical and experimental aspects of the program to produce QGP in relativistic heavy-ion collisions are covered by experts in the field. This is the third volume in a series on the subject, and the first such monograph to focus on the implications of the experimental results from RHIC, the relativistic heavy-ion collider at the National Brookhaven Laboratory. The review articles will be useful to experienced researchers as well as to graduate students entering the field.
Book Synopsis Ultrarelativistic Heavy-Ion Collisions by : Ramona Vogt
Download or read book Ultrarelativistic Heavy-Ion Collisions written by Ramona Vogt and published by Elsevier. This book was released on 2007-06-04 with total page 489 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is designed for advanced undergraduate and graduate students in high energy heavy-ion physics. It is relevant for students who will work on topics being explored at RHIC and the LHC. In the first part, the basic principles of these studies are covered including kinematics, cross sections (including the quark model and parton distribution functions), the geometry of nuclear collisions, thermodynamics, hydrodynamics and relevant aspects of lattice gauge theory at finite temperature. The second part covers some more specific probes of heavy-ion collisions at these energies: high mass thermal dileptons, quarkonium and hadronization. The second part also serves as extended examples of concepts learned in the previous part. Both parts contain examples in the text as well as exercises at the end of each chapter. - Designed for students and newcomers to the field- Focuses on hard probes and QCD- Covers all aspects of high energy heavy-ion physics- Includes worked example problems and exercises
Book Synopsis Toward a Consistent Calculation of the QCD Transport Coefficients by : Matthew Ramin Hamedani Heffernan
Download or read book Toward a Consistent Calculation of the QCD Transport Coefficients written by Matthew Ramin Hamedani Heffernan and published by . This book was released on 2018 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: "A breakthrough at the Relativistic Heavy-Ion Collider (RHIC), confirmed by higher energy analyses at the LHC, is that heavy-ion collisions create a relativistic strongly-interacting fluid. This inspired efforts to chart the nuclear phase diagram. An established paradigm of heavy-ion collisions is to therefore treat relativistic fluid dynamics as an effective theory for the long wavelength/low energy modes. Thus, the physics of higher energy scales is contained in experimentally extracted parameters known as transport coefficients. These coefficients, particularly the shear and bulk viscosities, are fundamental properties of QCD and quantify the fluid's departure from equilibrium. We obtain a shear and bulk viscosity for strongly-coupled matter by quantifying the size of non-equilibrium corrections to the equilibrium phase-space density functions in systems with multiple particle species and varying degrees of interaction strength. We re-examine an existing model of a hydrodynamic hadron gas in the linear sigma model, incorporating realistic effects such as effective thermal masses. We will use the Chapman-Enskog expansion (Ch-E) and the relaxation time approximation (RTA). We compare with results in the literature obtained for transport coefficients. Additionally, we lay the groundwork for the first microscopically-complete calculation of transport coefficients of an interacting gas of hadrons comprised of pions with [rho] vector mesons with interactions governed by a realistic chiral Lagrangian. These results are prepared to upgrade a realistic 3D hydrodynamic model developed at McGill by incorporating microscopically correct transport coefficients. This will provide novel and more detailed insights to the dynamics of strongly-interacting hydrodynamic QCD." --
