Spin Effects Qcd And Jefferson Laboratory With 12 Gev Electrons PDF Download
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Release | : 2013 |
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Download SPIN Effects, QCD, and Jefferson Laboratory with 12 GeV Electrons Book in PDF, ePub and Kindle
QCD and Spin physics are playing important role in our understanding of hadron structure. I will give a short overview of origin of hadron structure in QCD and highlight modern understanding of the subject. Jefferson Laboratory is undergoing an upgrade that will increase the energy of electron beam up to 12 GeV. JLab is one of the leading facilities in nuclear physics studies and once operational in 2015 JLab 12 will be crucial for future of nuclear physics. I will briefly discuss future studies in four experimental halls of Jefferson Lab.
Author | : Nilanga Liyanage |
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Total Pages | : |
Release | : 2003 |
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Download Jefferson Lab 12 GeV Spin Program Book in PDF, ePub and Kindle
Spin structure functions provide basic information about the spin of the quark distributions inside the nucleon. Experimental understanding of the nucleon spin in the kinematic region where the three basic ("valence") quarks dominate the nucleon wave function is still rather poor. Jefferson lab, with its high quality, high polarization continuous electron beam and state of the art polarized nucleon targets in each of its three experimental halls is ideally suited for spin structure measurements in the valence region. An experimental program is underway at Jefferson Lab to measure the spin structure of the nucleon in the valence region with unprecedented precision. The planed upgrade of Jefferson lab CEBAF accelerator to 12 GeV will significantly increase the accessible kinematic range and the precision of these measurements.
Author | : Don G. Crabb |
Publisher | : World Scientific |
Total Pages | : 338 |
Release | : 2003 |
Genre | : Science |
ISBN | : 9812382739 |
Download Testing QCD Through Spin Observables in Nuclear Targets Book in PDF, ePub and Kindle
This volume contains the invited talks and contributed papers presented at the workshop on ?Testing QCD Through Spin Observables in Nuclear Targets?, held at the University of Virginia in April 2002.The workshop was proposed in the context of the large number of experiments that have used polarized deuterons or polarized 3He to extract information about the spin parameters of the neutron. The motivation for this workshop was to study the effects of the nuclear medium on the spin properties of the bound nucleon and to explore issues in QCD that might be resolved through spin observables in nuclear targets: What is the effect of the nuclear medium on the measured asymmetries? How have the latest results on the spin structure of the nucleon and the nucleon form factors changed our thinking? What advances are anticipated in the development of polarized targets?
Author | : Xiaodong Jiang |
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Total Pages | : |
Release | : 2003 |
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Download Spin Physics in Deep-Inelastic Semi-Inclusive Reactions with an 11-GeV Electron Beam at Hall A of Jefferson Laboratory Book in PDF, ePub and Kindle
We outline the physics opportunities of semi-inclusive deep inelastic measurements with a polarized NH3 and a polarized 3He target in Jefferson Lab Hall A after the planned 12 GeV CEBAF machine upgrade. In this paper, we estimate statistical uncertainties associated with double-spin and single-spin asymmetries in (e, e'pi) type measurements.
Author | : Yuri L Dokshitzer |
Publisher | : World Scientific |
Total Pages | : 528 |
Release | : 2021-04-20 |
Genre | : Science |
ISBN | : 9811238413 |
Download Gribov-90 Memorial Volume: Field Theory, Symmetry, And Related Topics - Proceedings Of The Memorial Workshop Devoted To The 90th Birthday Of V N Gribov Book in PDF, ePub and Kindle
Vladimir Naumovich Gribov is one of the creators of modern theoretical physics. The concepts and methods that Gribov has developed in the second half of the 20th century became cornerstones of the physics of high energy hadron interactions (relativistic theory of complex angular momenta, a notion of the vacuum pole — Pomeron, effective reggeon field theory), condensed matter physics (critical phenomena), neutrino oscillations, and nuclear physics.His unmatched insights into the nature of the quantum field theory helped to elucidate, in particular, the origin of classical solutions (instantons), quantum anomalies, specific problems in quantization of non-Abelian fields (Gribov anomalies, Gribov horizon), and the role of light quarks in the color confinement phenomenon.The Memorial Workshop devoted to Gribov's 90th birthday was cancelled due to the coronavirus pandemic in 2020; however, this did not deter the collection of many new studies in challenging theoretical physics problems across a broad variety of topics, and shared memories about their colleague, great teacher and friend. The contributions of this memorial volume affirms the everlasting impact of Gribov's scientific heritage upon the physics of the 21st century.
Author | : J E J Oberski |
Publisher | : World Scientific |
Total Pages | : 906 |
Release | : 1997-04-15 |
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ISBN | : 9814546437 |
Download Spin 96 - Proceedings Of The 12th International Symposium On High-energy Spin Physics Book in PDF, ePub and Kindle
Experiments using highly polarized intense beams and targets, and theoretical studies of spin and polarization phenomena, are now providing us with numerous additional details of the electroweak and strong interactions and the structure of matter. The spin structure of the nucleon has been measured over wide ranges of kinematic variables, and the cross sections have been calculated to several orders in perturbative field theory. At present, the influence of the higher twist contributions, the gluon spin, and the quark orbital angular momentum are under scrutiny. Quantum chromodynamics (QCD) captures a lot of our experimental knowledge of hard polarized scattering processes. Can our understanding of such processes within QCD be further improved?Hyperons produced in high energy reactions show how puzzling strong interactions between hadrons still are. Spin observables in experiments at intermediate energy are used to test parity and charge symmetries. Will they also reveal, at low energy, a violation of time reversal symmetry? We are on the verge of using parity violation measurements at intermediate electron scattering energies to determine the amount of strange quark contributions to the neutral weak form factor of the nucleon. The polarization of the sea quarks is expected to be measured soon in W± decays produced in high energy polarized proton interactions. Will the jets in polarized Z⁰ decays show a definite handedness? These and many other topics are discussed in these proceedings.
Author | : National Academies of Sciences, Engineering, and Medicine |
Publisher | : National Academies Press |
Total Pages | : 153 |
Release | : 2018-10-13 |
Genre | : Science |
ISBN | : 0309478561 |
Download An Assessment of U.S.-Based Electron-Ion Collider Science Book in PDF, ePub and Kindle
Understanding of protons and neutrons, or "nucleons"â€"the building blocks of atomic nucleiâ€"has advanced dramatically, both theoretically and experimentally, in the past half century. A central goal of modern nuclear physics is to understand the structure of the proton and neutron directly from the dynamics of their quarks and gluons governed by the theory of their interactions, quantum chromodynamics (QCD), and how nuclear interactions between protons and neutrons emerge from these dynamics. With deeper understanding of the quark-gluon structure of matter, scientists are poised to reach a deeper picture of these building blocks, and atomic nuclei themselves, as collective many-body systems with new emergent behavior. The development of a U.S. domestic electron-ion collider (EIC) facility has the potential to answer questions that are central to completing an understanding of atoms and integral to the agenda of nuclear physics today. This study assesses the merits and significance of the science that could be addressed by an EIC, and its importance to nuclear physics in particular and to the physical sciences in general. It evaluates the significance of the science that would be enabled by the construction of an EIC, its benefits to U.S. leadership in nuclear physics, and the benefits to other fields of science of a U.S.-based EIC.
Author | : Franco Bradamante |
Publisher | : World Scientific |
Total Pages | : 1065 |
Release | : 2005-08-02 |
Genre | : Science |
ISBN | : 9814480487 |
Download Spin 2004 - Proceedings Of The 16th International Spin Physics Symposium And Workshop On Polarized Electron Sources And Polarimeters (With Cd-rom) Book in PDF, ePub and Kindle
This comprehensive volume covers the most recent advances in the field of spin physics, including the latest research in high energy and nuclear physics and the study of nuclear spin structure. The comprehensive coverage also includes polarized proton and electron acceleration and storage as well as polarized ion sources and targets. Many significant new results and achievements on the different topics considered at the symposium are presented in this book for the first time.
Author | : Jian-Ping Chen |
Publisher | : AIP Conference Proceedings (Nu |
Total Pages | : 196 |
Release | : 2009-08-04 |
Genre | : Science |
ISBN | : |
Download Spin Structure at Long Distance Book in PDF, ePub and Kindle
Theoretical developments -- Experimental developments -- Future experiments and active analyses.
Author | : Steven D. Bass |
Publisher | : |
Total Pages | : 212 |
Release | : 2002 |
Genre | : Colliders (Nuclear physics) |
ISBN | : |
Download The Spin Structure of the Proton and Polarized Collider Physics Book in PDF, ePub and Kindle