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| Total Pages | : 36 |
| Release | : 1990 |
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Download Physics at Relativistic Heavy Ion Collider (RHIC). Book in PDF, ePub and Kindle
This introductory talk contains a brief discussion of future experiments at RHIC related to physics of superdense matter. In particular, we consider the relation between space-time picture of the collision and spectra of the observed secondaries. We discuss where one should look for QGP signals and for possible manifestation of the phase transition. We pay more attention to a rather new topic: hadron modification in the gas phase, which is interesting by itself as a collective phenomenon, and also as a precursor indicating what happens with hadrons near the phase transition. We briefly review current understanding of the photon physics, dilepton production, charm and strangeness and J/[psi] suppression. At the end we try to classify all possible experiments. 47 refs., 3 figs.
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| Total Pages | : 12 |
| Release | : 1994 |
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Download The Physics and Experimental Program of the Relativistic Heavy Ion Collider (RHIC). Book in PDF, ePub and Kindle
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| Total Pages | : 5 |
| Release | : 1996 |
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Download The Physics and Detectors of the Relativistic Heavy Ion Collider (RHIC). Book in PDF, ePub and Kindle
In mid-1999 the Relativistic Heavy Ion Collider (RHIC) facility will begin accelerating 197Au nuclei to 100 A GeV. The effective temperature in the dense region of overlap when two nuclei collide nearly head on at this energy will reach 1012 degrees Kelvin. At this temperature a basic restructuring of matter is expected to occur, in which the quark and gluon constituents normally confined in hadronic matter form a chirally symmetric deconfined plasma. There are many signatures to help isolate evidence of a transition to a deconfined phase of matter. These include, for example: (1) strangeness saturation on a time scale too short to be accounted for by strangeness exchange interactions in a hadron gas, (2) color screening (vector meson suppression) in the plasma phase, (3) in-medium effects on the mass/lifetime of the vector mesons, (4) the observation of thermodynamic/chemical equilibrium, (5) thermal radiation from a hot plasma, (6) excess heavy flavor production, (7) a discontinuity or change in the correlation between energy density and entropy density, (8) the observation of a long hadronization time, (9) disoriented chiral condensate behavior (isospin or low pt correlations). Each of the RHIC detectors is optimized for the measurement of a number of the above signatures. It is therefore possible because of the very high particle densities at RHIC for these detectors to correlate multiple observables in a single event or in a sample of events. It will thus be possible to isolate events which exhibit correlated non-statistical fluctuations in several observables simultaneously. It will be possible at RHIC to make a self-consistent measurement of the initial conditions, and in particular the gluon distribution in the nucleus. This affords optimal use of perturbative QCD in providing guidance as to the evolution of the early stages of the collision. We review the design and capabilities of the four detectors at RHIC: BRAHMS, PHENIX, PHOBOS, and STAR.
| Author | : Reinhard Stock |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 701 |
| Release | : 2010-04-01 |
| Genre | : Science |
| ISBN | : 3642015387 |
Download Relativistic Heavy Ion Physics Book in PDF, ePub and Kindle
This new volume, I/23, of the Landolt-Börnstein Data Collection series continues a tradition inaugurated by the late Editor-in-Chief, Professor Werner Martienssen, to provide in the style of an encyclopedia a summary of the results and ideas of Relativistic Heavy Ion Physics. Formerly, the Landolt-Börnstein series was mostly known as a compilation of numerical data and functional relations, but it was felt that the more comprehensive summary undertaken here should meet an urgent purpose. Volume I/23 reports on the present state of theoretical and experimental knowledge in the field of Relativistic Heavy Ion Physics. What is meant by this rather technical terminology is the study of strongly interacting matter, and its phases (in short QCD matter) by means of nucleus-nucleus collisions at relativistic energy. The past decade has seen a dramatic progress, and widening of scope in this field, which addresses one of the chief remaining open frontiers of Quantum Chromodynamics (QCD) and, in a wider sense, the "Standard Model of Elementary Interactions". The data resulting from the CERN SPS, BNL AGS and GSI SIS experiments, and in particular also from almost a decade of experiments carried out at the "Relativistic Heavy Ion Collider"(RHIC) at Brookhaven, have been fully analyzed, uncovering a wealth of information about both the confined and deconfined phases of QCD at high energy density.
| Author | : Jerzy Bartke |
| Publisher | : World Scientific |
| Total Pages | : 239 |
| Release | : 2009 |
| Genre | : Science |
| ISBN | : 9810212313 |
Download Introduction to Relativistic Heavy Ion Physics Book in PDF, ePub and Kindle
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.
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| Release | : 1987 |
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Download Physics at RHIC (Relativistic Heavy Ion Collider) Book in PDF, ePub and Kindle
The main features of nuclear collisions that are to be measured at the Relativistic Heavy Ion Collider (RHIC) are briefly surveyed. The main questions to be addressed in studying such collisions are stated, along with some possible experimental ways of addressing these questions. The features of relativistic heavy ion collisions discussed are: macroscopic size and collective behavior, energy density, thermal equilibrium, initial temperature, chemical equilibrium, color deconfinement, and plasma expansion and hadronization. (LEW).
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| Total Pages | : 4 |
| Release | : 2002 |
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Download RELATIVISTIC HEAVY ION COLLIDER STATUS AND PROSPECTS. Book in PDF, ePub and Kindle
The Relativistic Heavy Ion Collider (RHIC) is the centerpiece of the nuclear physics program at Brookhaven National Laboratory. The physics program encompasses both heavy ion physics and spin physics with polarized protons. A series of three accelerators provide the ions for injection into the two counter-rotating RHIC accelerator-collider rings. A fourth machine, the proton linac, provides polarized protons to the injector chain. RHIC has been designed to accelerate and collide all ion species from protons to uranium. We are presently limited to a mass of gold by the tandem preinjector limitations. RHIC has accelerated and stored gold ions for data taking from the injection energy of 10 GeV/nucleon to a maximum of 100 GeV/nucleon. Polarized protons have been delivered at 100 GeV for physics data taking. Most of the design parameters of RHIC have been achieved. The number of beam bunches, emittances, energy, bunch length and inter-section region optics parameters have been achieved. Beam intensity is routinely available at 75% of design and the average luminosity is presently at 30% of design value.
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| Release | : 1988 |
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Download Accelerator Physics in RHIC (Relativistic Heavy Ion Collider). Book in PDF, ePub and Kindle
RHIC (for Relativistic Heavy Ion Collider) is a colliding beam facility to be built at BNL in the tunnel system that was constructed for the defunct ISABELLE/CBA project. It is intended for the study of collisions between fully stripped ions of the same or different species with magnetic rigidities of up to at least 839.5 Tm, corresponding with an energy of 100 GeV/amu (amu for atomic mass unit) for particles with A/Z = 2.5, and 251 GeV for protons. There are six potential crossing regions, each with, initially, time average luminosities of up to a few times 1026 cm−2 sec−1 for Au, with luminosity life-times of 10 hours for Au, and longer for the lighter ions. The initial proton-proton luminosity will be about 1031 cm−2 sec−1. The rms length of the interaction diamond is 0.2 m when the beams collide colinearly, it is determined by the lengths of the colliding bunches. The diamond length can be reduced by having the beams cross at an angle, but this reduces the luminosity. The magnitude of the crossing angle is restricted geometrically in dependence of the energies and species of the interacting ions and possibly also by dynamic effects in the circulating beams. The distance between each crossing point and the nearest machine component is 9 m on each side, this space is available for experimental equipment. The performance quoted assumes that each ring contains 57 bunches, each bunch with 109 Au ions, resp 1011 protons and with invariant emittances of 10.pi., resp 20.pi. mm-mrad, and .beta./sub x/* = .beta./sub y/* = 3 m. The beam-beam tune-shift per crossing point at these intensities is 0.0025, resp 0.0037. 5 refs., 4 figs.
| Author | : Bartke Jerzy |
| Publisher | : World Scientific |
| Total Pages | : 240 |
| Release | : 2008-12-22 |
| Genre | : |
| ISBN | : 9813104562 |
Download Introduction To Relativistic Heavy Ion Physics Book in PDF, ePub and Kindle
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.
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| Total Pages | : 9 |
| Release | : 1990 |
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Download Theoretical Perspective on RHIC (relativistic Heavy Ion Collider) Physics Book in PDF, ePub and Kindle
We discuss the status of the relativistic heavy ion collider (RHIC) project at Brookhaven, and assess some key experiments which propose to detect the signatures of a transient quark-gluon plasma (QGP) phase in such collisions. 24 refs.
