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Jets Of Nuclear Matter From High Energy Heavy Ion Collisions
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Book Synopsis JETS OF NUCLEAR MATTER FROM HIGH ENERGY HEAVY ION COLLISIONS. by :
Download or read book JETS OF NUCLEAR MATTER FROM HIGH ENERGY HEAVY ION COLLISIONS. written by and published by . This book was released on 1981 with total page 15 pages. Available in PDF, EPUB and Kindle. Book excerpt: The nuclear fluid dynamical model with final thermal breakup is used to study the reactions 2°Ne + 238U and 4°Ar + 4°Ca at E{sub LAB} = 390 MeV/n. The calculated double differential cross sections d2?/d?dE are in agreement with recent experimental data. However, it is shown that the azimuthal dependence of the triple differential distributions d3?/dEdcos?d?, to be obtained from 4? exclusive experiments with single event analysis, can yield considerably deeper insight into the collision process and allow for snapshots of the reactions. Strongly correlated jets of nuclear matter are predicted.
Book Synopsis Jet Quenching in Relativistic Heavy Ion Collisions at the LHC by : Aaron Angerami
Download or read book Jet Quenching in Relativistic Heavy Ion Collisions at the LHC written by Aaron Angerami and published by Springer Science & Business Media. This book was released on 2013-12-02 with total page 180 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.
Book Synopsis Collective Sideward Flow of Nuclear Matter in Violent High-Energy Heavy-Ion Collisions by :
Download or read book Collective Sideward Flow of Nuclear Matter in Violent High-Energy Heavy-Ion Collisions written by and published by . This book was released on 1980 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt: The nuclear fluid dynamical model with final thermal breakup is used to study the reactions 2°Ne + 238U and 4° Ar + 4°Ca at E{sub LAB}=390 MeV/n. Calculated double differential cross sections d2?/d?dE are in agreement with recent experimental data. It is shown that azimuthally dependent triple differential cross sections d3?/dEd cos?d? yield considerably deeper insight into the collision process and allow for snapshots of the reactions. Strongly correlated jets of nuclear matter are predicted.
Book Synopsis Nuclear Physics by : National Research Council
Download or read book Nuclear Physics written by National Research Council and published by National Academies Press. This book was released on 1999-03-31 with total page 222 pages. Available in PDF, EPUB and Kindle. Book excerpt: Dramatic progress has been made in all branches of physics since the National Research Council's 1986 decadal survey of the field. The Physics in a New Era series explores these advances and looks ahead to future goals. The series includes assessments of the major subfields and reports on several smaller subfields, and preparation has begun on an overview volume on the unity of physics, its relationships to other fields, and its contributions to national needs. Nuclear Physics is the latest volume of the series. The book describes current activity in understanding nuclear structure and symmetries, the behavior of matter at extreme densities, the role of nuclear physics in astrophysics and cosmology, and the instrumentation and facilities used by the field. It makes recommendations on the resources needed for experimental and theoretical advances in the coming decade.
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 Jets in Relativistic Heavy Ion Collisions by :
Download or read book Jets in Relativistic Heavy Ion Collisions written by and published by . This book was released on 1990 with total page 23 pages. Available in PDF, EPUB and Kindle. Book excerpt: Several aspects of hard and semihard QCD jets in relativistic heavy ion collisions are discussed, including multiproduction of minijets and the interaction of a jet with dense nuclear matter. The reduction of jet quenching effect in deconfined phase of nuclear matter is speculated to provide a signature of the formation of quark gluon plasma. HIJING Monte Carlo program which can simulate events of jets production and quenching in heavy ion collisions is briefly described. 35 refs., 13 figs.
Download or read book New State of Nuclear Matter written by and published by . This book was released on 2016 with total page 70 pages. Available in PDF, EPUB and Kindle. Book excerpt: This article reviews several important results from RHIC experiments and discusses their implications. They were obtained in a unique environment for studying QCD matter at temperatures and densities that exceed the limits wherein hadrons can exist as individual entities and raises to prominence the quark-gluon degrees of freedom. These findings are supported by major experimental observations via measuring of the bulk properties of particle production, particle ratios and chemical freeze-out conditions, and elliptic ow; followed by hard probe measurements: high-pT hadron suppression, dijet fragment azimuthal correlations, and heavy favor probes. These measurements are presented for particles of different species as a function of system sizes, collision centrality, and energy carried out in RHIC experiments. The results reveal that a dense, strongly-interacting medium is created in central Au + Au collisions at p sNN = 200 GeV at RHIC. This revelation of a new state of nuclear matter has also been observed in measurements at the LHC. Further, the IP-Glasma model coupled with viscous hydrodynamic models, which assumes the formation of a QGP, reproduces well the experimental ow results from Au + Au at p sNN = 200 GeV. This implies that the fluctuations in the initial geometry state are important and the created medium behaves as a nearly perfect liquid of nuclear matter because it has an extraordinarily low ratio of shear viscosity to entropy density, =s 0.12. However, these discoveries are far from being fully understood. Furthermore, recent experimental results from RHIC and LHC in small p + A, d + Au and 3He+Au collision systems provide brand new insight into the role of initial and final state effects. These have proven to be interesting and more surprising than originally anticipated; and could conceivably shed new light in our understanding of collective behavior in heavy-ion physics. Accordingly, the focus of the experiments at both facilities RHIC and the LHC is on detailed exploration of the properties of this new state of nuclear matter, the QGP.
Book Synopsis Systematic Study of High-pT Di-jet Correlations in Nuclear Collisions with the PHENIX Experiment at RHIC by : Nathan Conrad Grau
Download or read book Systematic Study of High-pT Di-jet Correlations in Nuclear Collisions with the PHENIX Experiment at RHIC written by Nathan Conrad Grau and published by . This book was released on 2005 with total page 412 pages. Available in PDF, EPUB and Kindle. Book excerpt: One major goal of the Relativistic Heavy Ion Collider (RHIC) at Brookhaven National Laboratory on Long Island, New York, is to create and study the quark-gluon plasma (QGP). This state of matter results from the phase transition of Quantum Chromodynamics (QCD) at extremely high temperature (1012 K) and densities (100 times normal nuclear matter). Au ions are collided in an attempt to increase the temperature necessary to cross the phase boundary. To study the properties of this new matter, high energy jets are used as a probe. Jets are a collimated spray of hadrons resulting from the fragmentation of high-energy quarks and gluons (partons). Observations from single particles with large momentum transverse to the beam direction (pr) suggest that jets are suppressed or quenched due to energy loss from to strong interactions with the medium. This thesis presents, for the first time, a systematic study of jets from nuclear collisions. These jet measurements further constrain models of energy loss which reproduce the measured suppression in Au+Au collisions. A detailed study of jet properties using two-particle azimuthal correlations, a statistical method to detect jets, is performed. It is found that d+Au jet properties are very similar to those in p+p collisions. This indicates that the cold nuclear medium does not strongly modify jets at RHIC energies. In Au+Au collisions a suppression of jet yields is observed but not to the level of the single particle suppression. A consequence of energy loss models is a large broadening of the di-jet distribution. Little to no broadening is observed. At the present time there is no consistent picture of energy loss based on the available data from single particle spectra and from di-jet correlations.
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 Jet and Leading Hadron Production in High-energy Heavy-ionCollisions by : Xin-Nian Wang
Download or read book Jet and Leading Hadron Production in High-energy Heavy-ionCollisions written by Xin-Nian Wang and published by . This book was released on 2005 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Jet tomography has become a powerful tool for the study ofproperties of dense matter in high-energy heavy-ion collisions. I willdiscuss recent progresses in the phenomenological study of jet quenching, including momentum, colliding energy and nuclear size dependence ofsingle hadron suppression, modification of dihadron correlations and thesoft hadron distribution associatedwith a quenched jet.
Book Synopsis Looking Inside Jets by : Simone Marzani
Download or read book Looking Inside Jets written by Simone Marzani and published by Springer. This book was released on 2019-05-11 with total page 205 pages. Available in PDF, EPUB and Kindle. Book excerpt: This concise primer reviews the latest developments in the field of jets. Jets are collinear sprays of hadrons produced in very high-energy collisions, e.g. at the LHC or at a future hadron collider. They are essential to and ubiquitous in experimental analyses, making their study crucial. At present LHC energies and beyond, massive particles around the electroweak scale are frequently produced with transverse momenta that are much larger than their mass, i.e., boosted. The decay products of such boosted massive objects tend to occupy only a relatively small and confined area of the detector and are observed as a single jet. Jets hence arise from many different sources and it is important to be able to distinguish the rare events with boosted resonances from the large backgrounds originating from Quantum Chromodynamics (QCD). This requires familiarity with the internal properties of jets, such as their different radiation patterns, a field broadly known as jet substructure. This set of notes begins by providing a phenomenological motivation, explaining why the study of jets and their substructure is of particular importance for the current and future program of the LHC, followed by a brief but insightful introduction to QCD and to hadron-collider phenomenology. The next section introduces jets as complex objects constructed from a sequential recombination algorithm. In this context some experimental aspects are also reviewed. Since jet substructure calculations are multi-scale problems that call for all-order treatments (resummations), the bases of such calculations are discussed for simple jet quantities. With these QCD and jet physics ingredients in hand, readers can then dig into jet substructure itself. Accordingly, these notes first highlight the main concepts behind substructure techniques and introduce a list of the main jet substructure tools that have been used over the past decade. Analytic calculations are then provided for several families of tools, the goal being to identify their key characteristics. In closing, the book provides an overview of LHC searches and measurements where jet substructure techniques are used, reviews the main take-home messages, and outlines future perspectives.
Book Synopsis Introduction To Relativistic Heavy Ion Physics by : Bartke Jerzy
Download or read book Introduction To Relativistic Heavy Ion Physics written by Bartke Jerzy and published by World Scientific. This book was released on 2008-12-22 with total page 240 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.
Book Synopsis Structure and Dynamics of Elementary Matter by : Walter Greiner
Download or read book Structure and Dynamics of Elementary Matter written by Walter Greiner and published by Springer Science & Business Media. This book was released on 2013-11-09 with total page 673 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ladies and gentlemen, dear colleagues, welcome to Kemer to the NATO Advanced Study Institute Structure and Dynamics of Elementary Matter. We have chosen Kemer as the place of our NASI because it is located in a be- tiful and hospitable surrounding. This part of the Mediterranean at the Turkish Riviera is a historic region where many cultures meet (e.g., the Oriental and the Greek and Roman European cultures) and where you ?nd numerous places which played a role in ancient science and in early Christianity. Moreover, with the hotel Ceylan Inter-Continental we have found a most excellent me- ing place, directly located at the beach, equipped with wonderful swimming pools and restaurants – an absolutely ?rst-class location. Our NASIwill deal withthemost recent developmentsin high-energyheavy ionphysicsandinthesearchforsuperheavynuclei–tworatherdistinctareasof research. Indeed, we want to bring two very active communities of nuclear and high-energy physics into close contact. The meeting is both a school and has also the character of a conference: A school because there are many advanced students, many of which are themselves already top researchers and who are contributing with their own research in seminars and posters. It is also a c- ference because new results in the exciting and wonderful ?elds of low- and high-energy heavy ion physics will be presented. We are mainly focussing on the topics of superheavy elements and of hot and dense nuclear matter.
Book Synopsis Nuclear Matter and Heavy Ion Collisions by : Madeleine Soyeur
Download or read book Nuclear Matter and Heavy Ion Collisions written by Madeleine Soyeur and published by . This book was released on 1990-03-01 with total page 516 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Energy Research Abstracts written by and published by . This book was released on 1994 with total page 464 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Introduction To High-energy Heavy-ion Collisions by : Cheuk-yin Wong
Download or read book Introduction To High-energy Heavy-ion Collisions written by Cheuk-yin Wong and published by World Scientific. This book was released on 1994-09-30 with total page 542 pages. Available in PDF, EPUB and Kindle. Book excerpt: Written primarily for researchers and graduate students who are new in this emerging field, this book develops the necessary tools so that readers can follow the latest advances in this subject. Readers are first guided to examine the basic informations on nucleon-nucleon collisions and the use of the nucleus as an arena to study the interaction of one nucleon with another. A good survey of the relation between nucleon-nucleon and nucleus-nucleus collisions provides the proper comparison to study phenomena involving the more exotic quark-gluon plasma. Properties of the quark-gluon plasma and signatures for its detection are discussed to aid future searches and exploration for this exotic matter. Recent experimental findings are summarised.
Book Synopsis Relativistic Aspects Of Nuclear Physics - Proceedings Of The 5th Workshop by : Takeshi Kodama
Download or read book Relativistic Aspects Of Nuclear Physics - Proceedings Of The 5th Workshop written by Takeshi Kodama and published by World Scientific. This book was released on 1998-11-20 with total page 482 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is a collection of review articles and more specialized papers on the main issues of early universe physics. Both theoretical and experimental fields of research are dealt with.
