A Global Analysis Of The Strange Vector And Axial Form Factors Of The Nucleon And Their Uncertainties PDF Download
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Total Pages | : 82 |
Release | : 2010 |
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Download A Global Analysis of the Strange Vector and Axial Form Factors of the Nucleon and Their Uncertainties Book in PDF, ePub and Kindle
We studied the strange contributions to the elastic vector and axial form factors of the nucleon using all available elastic electroweak scattering data. Specifically, we combine elastic nu-p and nubar-p scattering cross-section data from the Brookhaven E734 experiment with elastic ep and quasi-elastic ed and e-4He scattering parity-violating asymmetry data from the SAMPLE, HAPPEx, PVA4 and G0 experiments. We not only determined these form factors at individual values of momentum-transfer (Q2), as other groups have done recently, but also fit the Q2-dependence of these form factors using simple functional forms. I present an overview of the G0 backward-angle experiment as well as the results of these fits using existing data, along with some expectations of how we can improve our knowledge of these form factors if the MicroBooNE collaboration completes their experiment.
Author | : John Schaub |
Publisher | : |
Total Pages | : 184 |
Release | : 2010 |
Genre | : Elastic scattering |
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Download Strange Happenings Book in PDF, ePub and Kindle
Author | : Il-t Cheon |
Publisher | : World Scientific |
Total Pages | : 462 |
Release | : 2000-09-27 |
Genre | : Science |
ISBN | : 9814492752 |
Download Strangeness Nuclear Physics - Proceedings Of The Apctp Workshop (Snp '99) Book in PDF, ePub and Kindle
The unique role of strangeness in nuclear physics has recently attracted much attention, from both the theoretical and experimental viewpoints. This is due not only to the broad spectrum of possible hadron many-body systems with strangeness, but also to the fact that strangeness gives us an opportunity to study fundamental baryon-baryon interactions in a new perspective. Our knowledge of this subject has widened as the scope of hypernuclear experiments has expanded from strangeness exchange and the associated production reactions to hypernuclear weak decays, β decays, cascade hypernuclei, double-Λ events, electroproduction of strangeness, etc. This trend will be accelerated by the full operation of new laboratories such as TJLab, COSY, DAΦNE, JHF, MAMI, and others. Various aspects of those important and exciting topics are discussed in this book in order to get a perspective of this fast developing area of nuclear physics.
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 | : K. de Jager |
Publisher | : Springer Science & Business Media |
Total Pages | : 256 |
Release | : 2008-06-21 |
Genre | : Science |
ISBN | : 3540744134 |
Download From Parity Violation to Hadronic Structure and more Book in PDF, ePub and Kindle
This book contains the proceedings of the third international workshop on From Parity Violation to Hadronic Structure and More. The many applications of parity violation are way beyond the scope of what Lee and Yang could have imagined fifty years after their proposal. For the physics topics discussed during this workshop, the application of parity violation has become a standard work horse allowing for the extraction of many physics topics in different experiments.
Author | : Victor Kien-Chung Yu |
Publisher | : |
Total Pages | : 108 |
Release | : 1968 |
Genre | : Particles (Nuclear physics) |
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Download On the Nucleon Axial Vector Form Factor Book in PDF, ePub and Kindle
Author | : Anthony W. Thomas |
Publisher | : John Wiley & Sons |
Total Pages | : 305 |
Release | : 2010-11-17 |
Genre | : Science |
ISBN | : 3527635041 |
Download The Structure of the Nucleon Book in PDF, ePub and Kindle
As the only stable baryon, the nucleon is of crucial importance in particle physics. Since the nucleon is a building block for all atomic nuclei, there is a need to analyse the its structure in order to fully understand the essential properties of all atomic nuclei. After more than forty years of research on the nucleon, both the experimental and theoretical situations have matured to a point where a synthesis of the results becomes indispensable. Here, A.W. Thomas and W. Weise present a unique report on the extensive empirical studies, theoretical foundations and the different models of the nucleon. The appendices provide an extensive summary of formulae needed in practical calculations. From the contents: electromagnetic structure of the nucleon, weak probes of nucleon structure, deep inelastic lepton scattering on the nucleon; elements of QCD, aspects of non-perturbative QCD, Chiral Symmetry and nucleon structure, models of the nucleon
Author | : Sigfrido Boffi |
Publisher | : Springer Science & Business Media |
Total Pages | : 287 |
Release | : 2012-12-06 |
Genre | : Science |
ISBN | : 364218801X |
Download Perspectives in Hadronic Physics Book in PDF, ePub and Kindle
This volume contains the invited and contributed papers presented at the Fourth International Conference on Perspectives in Hadronic Physics and sent to the Editors within the deadline. The Conference was held at the Abdus Salam International Centre for Theoretical Physics (ICTP), Trieste, Italy, from May 12th to 16th, 2003, and was attended by about 100 scientists from 20 countries. The series ofConferences on Perspectives on Hadronic Physics takes place every two years since 1997 and follows the seven Workshops on Perspectives in Nuclear Physics at Intermediate Energies, organized every two years at ICTP since 1983. The aim of these Conferences is to discuss the status-of-the-art concerning the experimental and theoretical investigations of hadronic systems, from nucleons to nuclei and dense nuclear matter, in terms of the relevant underlying degrees of freedom. For such a reason the Fourth Conference has been focused on those experimental and theoretical topics which have been in the last few years the object of intensive investigations, viz. the various approaches employed to describe the structure of hadrons in terms of QCD and QCD inspired models, the recent developments in the treatment of the properties and propagations of hadronic states in the medium, the relevant progress done in the solution of the few- and many- hadron problems, the recent results in the experimental investigation of dense hadronic matter and, last but not least, the physics programs of existing Laboratories and the suggested projects for new Facilities.
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Release | : 2006 |
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Download Strangeness Contributions to Nucleon Form Factors Book in PDF, ePub and Kindle
We review a recent theoretical determination of the strange quark content of the electromagnetic form factors of the nucleon. These are compared with a global analysis of current experimental measurements in parity-violating electron scattering.
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Release | : 2007 |
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Download Progress in the Calculation and Experimental Determination of the Strangeness Contributions to Nucleon Form Factors Book in PDF, ePub and Kindle
The progress in lattice QCD, especially the capacity to calculate at ever lower quark masses, combined with modern techniques of chiral extrapolation, means that one can now determine the strange quark contribution to the vector form factors of the nucleon with remarkable precision. We review these recent landmark calculations and compare them with the most recent global analysis of the experimental situation using parity violating electron scattering.