Photon Related Elliptic Azimuthal Asymmetry And Photon Hadron Correlations With An Isolation Cut In Au Au Collisions At Vs Nn PDF Download
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Author | : Tyler W. Danley |
Publisher | : |
Total Pages | : |
Release | : 2018 |
Genre | : Gold |
ISBN | : |
Download Photon-related Elliptic Azimuthal Asymmetry and Photon-hadron Correlations with an Isolation Cut in Au+Au Collisions at V(s_NN ) Book in PDF, ePub and Kindle
Author | : Bertrand Helmut Josef Biritz |
Publisher | : |
Total Pages | : 280 |
Release | : 2010 |
Genre | : |
ISBN | : |
Download Electron-hadron Azimuthal Correlations in Au+Au Collisions at [formula] Book in PDF, ePub and Kindle
Author | : Burak Han Alver |
Publisher | : |
Total Pages | : 108 |
Release | : 2010 |
Genre | : |
ISBN | : |
Download Measurement of Non-flow Correlations and Elliptic Flow Fluctuations in Au+Au Collisions at Relativistic Heavy Ion Collider Book in PDF, ePub and Kindle
Measurements of collective flow and two-particle correlations have proven to be effective tools for understanding the properties of the system produced in ultrarelativistic nucleus-nucleus collisions at the Relativistic Heavy Ion Collider (RHIC). Accurate modeling of the initial conditions of a heavy ion collision is crucial in the interpretation of these results. The anisotropic shape of the initial geometry of heavy ion collisions with finite impact parameter leads to an anisotropic particle production in the azimuthal direction through collective flow of the produced medium. In "head-on" collisions of Copper nuclei at ultrarelativistic energies, the magnitude of this "elliptic flow" has been observed to be significantly large. This is understood to be due to fluctuations in the initial geometry which leads to a significant anisotropy even for most central Cu+Cu collisions. This thesis presents a phenomenological study of the effect of initial geometry fluctuations on two-particle correlations and an experimental measurement of the magnitude of elliptic flow fluctuations which is predicted to be large if initial geometry fluctuations are present. Two-particle correlation measurements in Au+Au collisions at the top RHIC energies have shown that after correction for contributions from elliptic flow, strong azimuthal correlation signals are present at A0 = 0 and A0 ~ 120. These correlation structures may be understood in terms of event-by-event fluctuations which result in a triangular anisotropy in the initial collision geometry of heavy ion collisions, which in turn leads to a triangular anisotropy in particle production. It is observed that similar correlation structures are observed in A Multi-Phase Transport (AMPT) model and are, indeed, found to be driven by the triangular anisotropy in the initial collision geometry. Therefore "triangular flow" may be the appropriate description of these correlation structures in data. The measurement of elliptic flow fluctuations is complicated by the contributions of statistical fluctuations and other two-particle correlations (non-flow correlations) to the observed fluctuations in azimuthal particle anisotropy. New experimental techniques, which crucially rely on the uniquely large coverage of the PHOBOS detector at RHIC, are developed to quantify and correct for these contributions. Relative elliptic flow fluctuations of approximately 30-40% are observed in 6-45% most central Au+Au collisions at s NN= 200 GeV. These results are consistent with the predicted initial geometry fluctuations.
Author | : Brooke Haag |
Publisher | : |
Total Pages | : 330 |
Release | : 2009 |
Genre | : |
ISBN | : |
Download Characterization of Au+Au Collisions at [center of Mass Energy] Book in PDF, ePub and Kindle
Author | : Ramona Vogt |
Publisher | : Elsevier |
Total Pages | : 489 |
Release | : 2007-06-04 |
Genre | : Science |
ISBN | : 0080525369 |
Download Ultrarelativistic Heavy-Ion Collisions Book in PDF, ePub and Kindle
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
Author | : Sourav Sarkar |
Publisher | : Springer Science & Business Media |
Total Pages | : 374 |
Release | : 2009-12-16 |
Genre | : Science |
ISBN | : 3642022855 |
Download The Physics of the Quark-Gluon Plasma Book in PDF, ePub and Kindle
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.
Author | : Argonne National Laboratory. Physics Division |
Publisher | : |
Total Pages | : 312 |
Release | : 2001 |
Genre | : Nuclear physics |
ISBN | : |
Download Physics Division Annual Report Book in PDF, ePub and Kindle
Author | : National Research Council |
Publisher | : National Academies Press |
Total Pages | : 263 |
Release | : 2013-02-25 |
Genre | : Science |
ISBN | : 0309260434 |
Download Nuclear Physics Book in PDF, ePub and Kindle
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.
Author | : Asis Kumar Chaudhuri |
Publisher | : Iop Expanding Physics |
Total Pages | : 0 |
Release | : 2014-10-03 |
Genre | : Science |
ISBN | : 9780750310611 |
Download A Short Course on Relativistic Heavy Ion Collisions Book in PDF, ePub and Kindle
Some ideas/concepts in relativistic heavy ion collisions are discussed. To a large extent, the discussions are non-comprehensive and non-rigorous. It is intended for fresh graduate students of Homi Bhabha National Institute, Kolkata Centre, who are intending to pursue career in theoretical /experimental high energy nuclear physics. Comments and criticisms will be appreciated
Author | : J. Thanh Van Tran |
Publisher | : Atlantica Séguier Frontières |
Total Pages | : 616 |
Release | : 1988 |
Genre | : Dark matter (Astronomy) |
ISBN | : 9782863320556 |
Download Electroweak Interactions and Unified Theories Book in PDF, ePub and Kindle