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| Author | : |
| Publisher | : |
| Total Pages | : 19 |
| Release | : 2001 |
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| Author | : R. Fiore |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 334 |
| Release | : 2012-12-06 |
| Genre | : Science |
| ISBN | : 9401001774 |
Proceedings of the NATO Advanced Research Workshop, Alushta, Crimea, Ukraine, from 31 August to 6 September 2002
| Author | : Anatoly Radyushkin |
| Publisher | : World Scientific |
| Total Pages | : 486 |
| Release | : 2011 |
| Genre | : Science |
| ISBN | : 981432955X |
The Proceedings include talks given at the 4th Workshop on Exclusive Reactions at High Momentum Transfer at Jefferson Lab, Newport News, VA USA, the world's leading facility performing research on nuclear, hadronic and quark-gluon structure of matter. Exclusive reactions are becoming one of the major sources of information about the deep structure of the nucleons and other hadrons. The workshop focused on the application of a variety of exclusive reactions at high momentum transfer, utilizing unpolarized and polarized beams and targets, to obtain information about nucleon ground state and excited state structure at short distances. This is a subject which is central to the programs of current accelerators and especially planned future facilities. The topics include: generalized parton distributions, deeply virtual Compton scattering, deeply virtual meson production (DVMP), transverse structure of hadrons (TMD), hadron form factors ? elastic and transition, quantum chromodynamics (perturbative, non-perturbative, lattice calculations), and physics to study at an Electron Ion Collider.
| Author | : Carl Carlson |
| Publisher | : World Scientific |
| Total Pages | : 359 |
| Release | : 2000-07-20 |
| Genre | : |
| ISBN | : 9814542830 |
This book constitutes the proceedings of a workshop on 'Exclusive and Semi-exclusive Processes at High Momentum Transfer', sponsored by the Institute for Nuclear Theory (Seattle) and the Thomas Jefferson National Accelerator Facility (Jefferson Laboratory). The workshop was inspired by recent progress in the field, particularly in the uses of off-forward or skewed parton distributions to elucidate nucleon structure. This book contains the written versions of 41 scientific talks, on subjects including the aforementioned skewed parton distributions, and also on deeply virtual Compton scattering, semi-exclusive (or semi-inclusive) reactions, and hard elastic and transition form factors.
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| Total Pages | : 4 |
| Release | : 2015 |
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We discuss the recent data of exclusive $\pi0̂$ (and $\pi+̂$) electroproduction on the proton obtained by the CLAS collaboration at Jefferson Lab. It is observed that the cross sections, which have been decomposed in $\sigma_T+\epsilon\sigma_L$, $\sigma_{TT}$ and $\sigma_{LT}$ structure functions, are dominated by transverse amplitude contributions. The data can be interpreted in the Generalized Parton Distribution formalism provided that one includes helicity-flip transversity GPDs.
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| Total Pages | : |
| Release | : 1999 |
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One principal motivation for studying exclusive reactions is that they provide a new class of observables, called off-diagonal parton distributions, for the internal structure of the nucleon. The study of exclusive reactions provides a probe of nucleon structure complementary to purely inclusive studies. The simplest, and possibly the most promising, type of experiment is exclusive electroproduction of pseudoscalar mesons at small t, and at large Q2 and W. The authors show that using the CLAS spectrometer at JLAB and with beam energies between four and six GeV, they can obtain good quality electroproduction data that will improve their understanding of nucleon structure.
| Author | : Franco Bradamante |
| Publisher | : World Scientific |
| Total Pages | : 1065 |
| Release | : 2005-08-02 |
| Genre | : Science |
| ISBN | : 9814480487 |
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 | : |
| Publisher | : |
| Total Pages | : 456 |
| Release | : 2002 |
| Genre | : Meson-nucleon interactions |
| ISBN | : |
| Author | : |
| Publisher | : |
| Total Pages | : 528 |
| Release | : 2005 |
| Genre | : Meson-nucleon interactions |
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| Author | : |
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| Total Pages | : 6 |
| Release | : 2016 |
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Transverse-momentum dependent parton distribution functions (TMDs) provide a description of nucleon structure in terms of the parton transverse momentum and its transverse spin. At leading twist there are eight TMDs, each offering a unique feature of quarks in a polarized or an unpolarized nucleon. The Sivers distribution is one of the most interesting TMD due to its non-universality. It has been extracted using the data from semi-inclusive deep-inelastic scattering (SIDIS), but there is no data yet from spin-dependent Drell-Yan (DY) process. Such measurement will provide a crucial test of TMD formalism which predicts an equal magnitude and opposite sign for the Sivers function extracted from SIDIS and DY process. We will discuss key future measurements of TMDs using both SIDIS and DY process with a focus on Hall A SoLID SIDIS program at Jefferson Lab.
