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Physics With The Star Detector At Rhic
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Book Synopsis Physics with the STAR Detector at RHIC. by :
Download or read book Physics with the STAR Detector at RHIC. written by and published by . This book was released on 1998 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Relativistic Heavy Ion Collider (RHIC) at Brookhaven National Laboratory will collide beams of nuclei (as light as protons and as heavy as gold) at energies of up to 200 GeV per nucleon. At these energies, the probability of detecting a phase transition to a state of matter where quarks and gluons are not confined to nucleons is large. (The nuclear densities are approaching nucleon densities) Additionally, the collision is occurring in a kinematic regime where perturbative QCD is expected to be reliable. I discuss the capabilities of the STAR detector at RHIC and a subset of the physics program the STAR collaboration hopes to undertake with this detector.
Book Synopsis Exploring New Frontiers in Nuclear and Particle Physics with the STAR Detector at RHIC. by :
Download or read book Exploring New Frontiers in Nuclear and Particle Physics with the STAR Detector at RHIC. written by and published by . This book was released on 1996 with total page 17 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Solenoidal Tracker At RHIC (STAR) is a large acceptance collider detector scheduled to begin operation at the Relativistic Heavy Ion Collider (RHIC) at Brookhaven National Laboratory in the fall of 1999. In the sections which follow, details of the STAR detector and physics program, as well as the status of the RHIC construction project will be presented.
Book Synopsis Interesting Aspects of the STAR Detector and Physics Program by :
Download or read book Interesting Aspects of the STAR Detector and Physics Program written by and published by . This book was released on 1996 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Solenoidal Tracker At RHIC (STAR) is a large acceptance collider detector scheduled to begin operation at the Relativistic Heavy Ion Collider (RHIC) in the fall of 1999. Simply stated, the physics goals of STAR are, (1) to study the behavior of strongly interacting matter at high energy density; (2) to search for signatures of a deconfined partonic phase of matter; and (3) to study the importance of spin as a fundamental property of QCD interactions and measure the spin-dependent parton distributions (gluon, valence quark, sea quark) of the proton. The detector design and methods of accomplishing the physics goals are addressed in this report.
Download or read book The STAR Experiment at RHIC. written by and published by . This book was released on 1994 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt: STAR (Solenoidal Tracker at RHIC) will be one of two large, sophisticated experiments ready to take data when the Relativistic Heavy Ion Collider (RHIC) comes on-line in 1999. The design of STAR, its construction and commissioning and the physics program using the detector are the responsibility of a collaboration of over 250 members from 30 institutions, world-wide. The overall approach of the STAR Collaboration to the physics challenge of studying collisions of highly relativistic nuclei is to focus on measurements of the properties of the many hadrons produced in the collisions. The STAR detector is optimized to detect and identify hadrons over a large solid angle so that individual events can be characterized, in detail, based on their hadronic content. The broad capabilities of the STAR detector will permit an examination of a wide variety of proposed signatures for the Quark Gluon Plasma (QGP), using the sample of events which, on an event-by-event basis, appear to come from collisions resulting in a large energy density over a nuclear volume. In order to achieve this goal, the STAR experiment is based on a solenoid geometry with tracking detectors using the time projection chamber approach and covering a large range of pseudo-rapidity so that individual tracks can be seen within the very high track density expected in central collisions at RHIC. STAR also uses particle identification by the dE/dx technique and by time-of-flight. Electromagnetic energy is detected in a large, solid-angle calorimeter. The construction of STAR, which will be located in the Wide Angle Hall at the 6 o'clock position at RHIC, formally began in early 1993.
Book Synopsis HIGH PT PHYSICS WITH THE STAR EXPERIMENT AT RHIC. by :
Download or read book HIGH PT PHYSICS WITH THE STAR EXPERIMENT AT RHIC. written by and published by . This book was released on 2001 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The STAR experiment at RHIC is a TPC-based, general purpose detector designed to obtain charged particle spectra, with an emphasis on hadrons over a large phase space. An electromagnetic calorimeter provides measurement of e's, [gamma]'s, [pi][sup 0]'s and jets. Data-taking with Au+ Au collisions at[radical]5= 200 GeV/c[sup 2] begins in Fall 1999. The STAR experiment's investigation of techniques and signals using hard probes to study the high energy-density matter at RHIC and to search for quark-gluon plasma formation will be described.
Book Synopsis Physics with Tagged Forward Protons at RHIC. by :
Download or read book Physics with Tagged Forward Protons at RHIC. written by and published by . This book was released on 2009 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The physics reach of the STAR detector at RHIC has been extended to include elastic and inelastic diffraction measurements with tagged forward protons. This program has started at RHIC in p+p collisions with a special optics run of [beta]* ≈ 21 m at STAR, at the center-of-mass energy √s = 200 GeV during the last week of the RHIC 2009 run.
Book Synopsis A Large Area Time of Flight Detector for the STAR Experiment at RHIC by : Kohei Kajimoto
Download or read book A Large Area Time of Flight Detector for the STAR Experiment at RHIC written by Kohei Kajimoto and published by . This book was released on 2009 with total page 366 pages. Available in PDF, EPUB and Kindle. Book excerpt: A large area time of flight (TOF) detector based on multi-gap resistive plate chamber (MRPC) technology has been developed for the STAR (Solenoidal Tracker at RHIC) experiment at the Relativistic Heavy Ion Collider at the Brookhaven National Laboratory, New York. The TOF detector replaces STAR's Central Trigger Barrel detector with 120 trays, each with 32 MRPCs. Each MRPC has 6 channels. The TOF detector improves by a factor of about 2 STAR's particle identification reach in transverse momenta and enhances STARs physics research program.
Book Synopsis THE YEAR-ONE PHYSICS CAPABILITIES OF STAR. by :
Download or read book THE YEAR-ONE PHYSICS CAPABILITIES OF STAR. written by and published by . This book was released on 2001 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: When the Relativistic Heavy Ion Collider (RHIC) at BNL begins operation in the Fall of 1999, heavy ions will be accelerated in collider mode for the first time, and a new energy regime will be entered for Heavy Ion Physics. The Solenoidal Tracker At RHIC (STAR) detector has a near 4[pi] coverage and is dedicated to taking hadronic measurements. A large volume Time Projection Chamber placed in a solenoidal magnet at 0.5T is used to track and identify the many thousands of produced particles. STAR will measure many observables simultaneously on an event-by-event basis to study signatures of a possible QGP phase transition and the space-time evolution of the collision process. The goal is to obtain a fundamental understanding of the microscopic structure of hadronic interactions, at the level of quarks and gluons, at high energy densities. This paper outlines the physics STAR intends to study during the first year of operation.
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 Performance of the Heavy Flavor Tracker (HFT) Detector in STAR Experiment at RHIC by : Manal Alruwaili
Download or read book Performance of the Heavy Flavor Tracker (HFT) Detector in STAR Experiment at RHIC written by Manal Alruwaili and published by . This book was released on 2015 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt: The research field of this work is experimental nuclear physics. I use data taken with the Solenoidal Tracker At RHIC (STAR) experiment at the Relativistic Heavy Ion Collider (RHIC), an accelerator facility located at Brookhaven National Laboratory (BNL) in Long Island, NY. RHIC accelerates beams of protons, light and heavy ions (e.g. Au nuclei) to relativistic velocities and collides them. The collisions compress and heat the nuclear matter to very high temperatures and densities, over one trillion degrees Celsius. Under such conditions a phase transition might occur in nuclear matter, a transition, where quarks and gluons become de-confined, i.e. free to move around, forming the so-called Quark Gluon Plasma (QGP). The study of the properties of QGP, its properties and dynamics, provide a deeper understanding of Quantum Chromo-Dynamics (QCD), the theory of strong force, and the conditions in the early universe. A key finding by the experiments at RHIC is the unexpected strong suppression of heavy flavor at high transverse momentum values in Au+Au relative to elementary proton-proton collisions. Heavy quarks are mainly produced during the early stages of the collision when the most energetic interactions occur. The suppression of heavy flavor particles is caused by their interaction with the produced medium, as they traverse it. Charm and bottom quark production can be used as a tool to better probe the matter created during the early phases of the collision. The available theoretical models at that time under-predicted the observed suppression. In order to better understand the observed phenomenon and the details of the interaction between heavy flavor quarks and the hot nuclear medium, precision measurements of mesons containing charm or bottom quarks needed to be performed by the experiments. Heavy flavor mesons are unstable particles and most of them decay weakly within the first millimeter from the production vertex. Their relative low production rates, low branching ratios (B.R.) to useful channels and short lifetimes (ctau), e.g. D0 -> K¿ + pi (B.R. = 3.89% and ctau = 123μm) makes their reconstruction a challenging task. One needs a very-high precision vertex detector in order to separate the decay products from the thousands of particles produced in the collision. The STAR collab- oration built such a detector, the Heavy Flavor Tracker (HFT) with state-of-the-art silicon pixel technology. The HFT gives us the track pointing precision required to efficiently reconstruct charm and bottom meson decay vertices from background. The work in this Thesis is concentrated around the track pointing performance of HFT, sometimes called DCA (Distance of Closest Approach). More specifically we studied the HFT performance using data taken during its first physics run, Run14, that took place in 2014. We present and discuss the details of our analysis methods and the obtained results. We demonstrate that the HFT achieved and exceeded its original design goals in terms of track pointing resolution.
Book Synopsis Introduction to Relativistic Heavy Ion Physics by : Jerzy Bartke
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.
Book Synopsis The Electromagnetic Calorimeter for the STAR Experiment at RHIC. by :
Download or read book The Electromagnetic Calorimeter for the STAR Experiment at RHIC. written by and published by . This book was released on 1992 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt: The STAR detector at RHIC can be used both for searches for quark-gluon plasma and for high energy pp spin physics. An electromagnetic calorimeter is being planned which will be used for triggering on High pt direct gammas, e[sup [plus minus]], and the electromagnetic component of jets. Jets will be measured for both kinds of physics by using the electro-magnetic calorimeter and central TPC tracking. We describe some features of the fiber-tile calorimeter as it is presently being designed.
Book Synopsis Particle Detection with Drift Chambers by : Walter Blum
Download or read book Particle Detection with Drift Chambers written by Walter Blum and published by Springer Science & Business Media. This book was released on 2013-03-09 with total page 363 pages. Available in PDF, EPUB and Kindle. Book excerpt: This study edition of Blum and Rolandi's successful book addresses those students who want to begin to understand particle detection and drift chambers, by providing a solid foundation for judging the achievable accuracy for coordinate and ionization measurements. It covers topics such as gas ionization by particles and by laser rays; the drift of electrons and ions in gases; electrostatics of wire grids and field cages; amplification of ionization; creation of the signal track parameters and their errors; ion gates; particle identification by measurement of ionization; existing chambers; drift chamber gas. The topics are treated in a text-book style with many figures, together with explicitly performed calculations.
Book Synopsis Astroparticle, Particle and Space Physics, Detectors and Medical Physics Applications by : Michele Barone
Download or read book Astroparticle, Particle and Space Physics, Detectors and Medical Physics Applications written by Michele Barone and published by World Scientific. This book was released on 2006 with total page 1162 pages. Available in PDF, EPUB and Kindle. Book excerpt: The exploration of the subnuclear world is done through increasingly complex experiments covering a wide range of energies and in a large variety of environments ? from particle accelerators, underground detectors to satellites and space laboratories. For these research programs to succeed, novel techniques, new materials and new instrumentation need to be used in detectors, often on a large scale. Hence, particle physics is at the forefront of technological advancement and leads to numerous applications. Among these, medical applications have a particular importance due to the health and social benefits they bring. This volume reviews the advances made in all technological aspects of current experiments in the field.
Book Synopsis Strongly Interacting Matter under Rotation by : Francesco Becattini
Download or read book Strongly Interacting Matter under Rotation written by Francesco Becattini and published by Springer Nature. This book was released on 2021-07-19 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book addresses the needs of growing community of graduate students and researchers new to the area, for a survey that covers a wide range of pertinent topics, summarizes the current status of the field, and provides the necessary pedagogical materials for newcomers. The investigation of strongly interacting matter under the influence of macroscopic rotational motion is a new, emerging area of research that encompasses a broad range of conventional physics disciplines such as nuclear physics, astrophysics, and condensed matter physics, where the non-trivial interplay between global rotation and spin is generating many novel phenomena. Edited and authored by leading researchers in the field, this book covers the following topics: thermodynamics and equilibrium distribution of rotating matter; quantum field theory and rotation; phase structure of QCD matter under rotation; kinetic theory of relativistic rotating matter; hydrodynamics with spin; magnetic effects in fluid systems with high vorticity and charge; polarization measurements in heavy ion collisions; hydrodynamic modeling of the QCD plasma and polarization calculation in relativistic heavy ion collisions; chiral vortical effect; rotational effects and related topics in neutron stars and condensed matter systems.
Book Synopsis Quark-Gluon Plasma by : Kohsuke Yagi
Download or read book Quark-Gluon Plasma written by Kohsuke Yagi and published by Cambridge University Press. This book was released on 2005-12-15 with total page 478 pages. Available in PDF, EPUB and Kindle. Book excerpt: Quark-Gluon Plasma introduces the primordial matter, composed of two types of elementary particles, created at the time of the Big Bang. During the evolution of the universe, Quark-Gluon Plasma (QGP) undergoes a transition to hadronic matter governed by quantum chromodynamics, the law of strong interactions. After an introduction to gauge theories, various aspects of quantum chromodynamic phase transitions are illustrated in a self-contained manner. The cosmological approach and renormalization group are discussed, as well as the cosmological and astrophysical implications of QGP, on the basis of Einstein's equations. Recent developments towards the formation of QGP in ultrarelativistic heavy ion collisions are also presented in detail. This text is suitable as an introduction for graduate students, as well as providing a valuable reference for researchers already working in this and related fields. It includes eight appendices and over a hundred exercises.
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 2013-02-25 with total page 263 pages. Available in PDF, EPUB and Kindle. Book excerpt: The principal goals of the study were to articulate the scientific rationale and objectives of the field and then to take a long-term strategic view of U.S. nuclear science in the global context for setting future directions for the field. Nuclear Physics: Exploring the Heart of Matter provides a long-term assessment of an outlook for nuclear physics. The first phase of the report articulates the scientific rationale and objectives of the field, while the second phase provides a global context for the field and its long-term priorities and proposes a framework for progress through 2020 and beyond. In the second phase of the study, also developing a framework for progress through 2020 and beyond, the committee carefully considered the balance between universities and government facilities in terms of research and workforce development and the role of international collaborations in leveraging future investments. Nuclear physics today is a diverse field, encompassing research that spans dimensions from a tiny fraction of the volume of the individual particles (neutrons and protons) in the atomic nucleus to the enormous scales of astrophysical objects in the cosmos. Nuclear Physics: Exploring the Heart of Matter explains the research objectives, which include the desire not only to better understand the nature of matter interacting at the nuclear level, but also to describe the state of the universe that existed at the big bang. This report explains how the universe can now be studied in the most advanced colliding-beam accelerators, where strong forces are the dominant interactions, as well as the nature of neutrinos.
