First Measurements On Gluon Splitting Into Heavy Quarks In E E Annihilation PDF Download

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Proceedings Of The 29th International Conference On High Energy Physics: Ichep '98 (In 2 Volumes)

Proceedings Of The 29th International Conference On High Energy Physics: Ichep '98 (In 2 Volumes)
Author: Alan Astbury
Publisher: World Scientific
Total Pages: 1899
Release: 1999-06-11
Genre: Science
ISBN: 9814644919

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These proceedings consist of plenary rapporteur talks covering topics of major interest to the high energy physics community and parallel sessions papers which describe recent research results and future plans.


Quark-Gluon Plasma: Theoretical Foundations

Quark-Gluon Plasma: Theoretical Foundations
Author: J. Kapusta
Publisher: Gulf Professional Publishing
Total Pages: 850
Release: 2003-11-25
Genre: Science
ISBN: 9780444511102

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The purpose of this volume is to trace the development of the theoretical understanding of quark-gluon plasma, both in terms of the equation of state and thermal correlation functions and in terms of its manifestation in high energy nuclear collisions. Who among us has not wondered how tall a mountain is on a neutron star, what happens when matter is heated and compressed to higher and higher densities, what happens when an object falls into a black hole, or what happened eons ago in the early universe? The study of quark-gluon plasma is related in one way or another to these and other thought provoking questions. Oftentimes the most eloquent exposition is given in the original papers. To this end a selection is made of what are the most important pioneering papers in this field. The early 1950s was an era when high energy multiparticle production in cosmic ray interactions attracted the attention of some of the brightest minds in physics, and so it should be no surprise that the first reprinted papers deal with the introduction of statistical models of particle production. The quark model arose in the 1960s, while QCD as such was recognized as the theory of the strong interactions in the 1970's. The behavior of matter at high temperatures and supranuclear densities became of wide interest in the nuclear and particle physics communities starting in the 1970s, which is when the concept of quark-gluon plasma became established. The history of the field has been traced up to the early 1990s. There are three reasons for stopping at that point in time. First, most of the key theoretical concepts and formalisms arose before 1993, although many of them continue to be developed today and hopefully well into the future. Second, papers written after 1992 are much more readily available than those writen before due to the advent of the World Wide Web and its electronic preprint databases and journals. Finally, in making this collection of reprints available as hardcopy one is limited in the number of pages, and some papers in the present selection should have been deleted in order to make room for post-1993 papers. For the same reason the subject focus must of necessity be limited, which means that in this reprint collection two wide subject areas are not addressed: the behavior of nuclear matter under extreme conditions is not reported, nor is quark matter in neutron stars. The broad categories into which the material has been placed, reflect the diverse studies of quark-gluon plasma and its manifestation. They are: phase-space models of particle production, perturbative QCD plasma, lattice gauge theory, fluid dynamics and flow, strangeness, heavy flavor (charm), electromagnetic signals, parton cascade and minijets, parton energy loss and jet quenching, Hanbury Brown--Twiss (HBT) interferometry, disoriented chiral condensates, phase transition dynamics and cosmology, and color superconductivity. Each chapter is prefaced by an introduction, which contains a list of significant papers which is more complete than the reprinted papers, though by no means exhaustive. It also contains citations to most relevant papers published up to the date of completion of this volume (fall 2002). It is hoped that the short reviews will help bring the reader up to date on the latest developments. The selection of papers cited in each chapter, and in particular the ones selected for reprinting, is solely the responsibility of the Editors. It is based on their best judgement and experience in this field dating back to the mid-1970s. In order to be reprinted a paper must have been pioneering in the sense of originality and impact on the field. Generally they have been cited over a hundred times by other papers published in refereed journals. The final selection was reviewed and discussed among the Editors repeatedly. Just because a paper is not included does not mean they do not know of it or do not have a high regard for it. All of the papers cited or reprinted are original research contributions. There are three other types of publications listed. The first is a compilation of books. The second is a list of reviews, many of which contain a significant amount of original material. The third is a list of the proceedings of the series of Quark Matter meetings, the primary series of international conferences in this field that is attended by both theorists and experimentalists.


Quark-gluon Plasma 4

Quark-gluon Plasma 4
Author: Rudolph C. Hwa
Publisher: World Scientific
Total Pages: 450
Release: 2010
Genre: Science
ISBN: 9814293296

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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.


The Theory of Quark and Gluon Interactions

The Theory of Quark and Gluon Interactions
Author: F. J. Ynduráin
Publisher:
Total Pages: 319
Release: 1993
Genre: Physics
ISBN: 9783662029428

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This book features a unified presentation of the theory of quarks and gluons. Included are perturbative aspects, such as deep inelastic scattering, jets, Drell-Yan scattering, and exclusive processes, and nonperturbative aspects, such as current algebra and PCAC techniques, and instantons, together with an introduction to lattice QCD. Additional topics, for example, QCD sum rules and the quark model of hadrons, are also to be found. The emphasis is on detailed calculations and results that can be tested against experiment. The aim is to bring readers to the point where they can start to work on their own, as well as to give a comprehensive idea of the quality of the theory. Some of the subjects are presented for the first time in book form; indeed a few are totally new. Among these are a full discussion of relativistic and nonperturbative corrections to heavy quark bound states, the interpretation of K factors, and some aspects of jet physics. The book is ideally suited as a textbook for graduate students in nuclear and particle physics, but owing to the many recent results it will also be appreciated by researchers in these fields.


Fragmentation of Quarks and Gluons, Tests of QCD in Ee− Annihilation

Fragmentation of Quarks and Gluons, Tests of QCD in Ee− Annihilation
Author:
Publisher:
Total Pages:
Release: 1983
Genre:
ISBN:

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This report covers the topics of fragmentation of quarks and gluons and tests of QCD in ee− annihilation and is a summary of a rapporteur talk given at the 1983 International Symposium on Lepton and Photon Interactions at High Energies. New data on the general characteristics of the ee− environment at the UPSILON and at PETRA and PEP are discussed. For the first time there is a lot of data on resonance production - eta, K*, rho, phi, ..xi ... There is more data on c quark fragmentation from tagged D/sup *+-/ and direct observation of D+ and D°. There are four experiments using high P/sub t/ leptons to measure the b quark fragmentation function - agreement amongst the experiments is very good. All these measurements can usefully be incorporated in the Monte Carlo simulation models. QCD tests are discussed. ..cap alpha..3 has been measured using the energy dependence of the total hadronic cross section. Unfortunately this method is not very precise. Other measurements of ..cap alpha..3 from shape analyses and energy-energy correlations have been done including the effects of all second order QCD diagrams. The results seem to depend both on the procedure and the models used to extract ..cap alpha..3. The evidence for differences in gluon and quark fragmentation are reviewed. There is now evidence that baryon conservation occurs locally in a jet rather than globally in an event. Multiplicity and jet mass correlations are presented as well as data on KNO scaling. 46 references.