Spin Structure Functions Of The Nucleon At Low Q2 And PDF Download
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| Author | : |
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| Total Pages | : 15 |
| Release | : 1993 |
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Download Spin Structure Functions of the Nucleon at Low Q2 And? Book in PDF, ePub and Kindle
Phenomenological approaches to describe the spin structure functions an spin sum rules for proton and neutrons at low momentum transfer Q2 and energy transfer?, i.e. in the region of the nucleon resonances are discussed. Experiments to measure A1{sup p}, A2{sup p} and N1??20--?? structure functions at CEBAF in a Q2 range from 0.15 to 2.0 GeV2, and a W range from threshold to 2.2 GeV are presented.
| Author | : Bernard Frois |
| Publisher | : World Scientific |
| Total Pages | : 702 |
| Release | : 1998-02-24 |
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| ISBN | : 9814545406 |
Download The Spin Structure Of The Nucleon Book in PDF, ePub and Kindle
From its early beginnings at SLAC in the 1970's, the study of nucleon spin structure using polarized lepton beams and polarized nucleon targets has become increasingly important in nuclear and particle physics, with current experiments at several of the world's high energy and nuclear physics laboratories (CERN, DESY, SLAC and Jefferson Lab) and with enormous related theoretical studies. The understanding of the fascinating but complicated problem of nucleon spin structure has progressed substantially, but fundamental questions remain and it can be confidently predicted that future activity will be high.The Erice Course on The Spin Structure of the Nucleon covered both the experimental and theoretical aspects of the subject, and this volume includes the lectures given at the School. In many cases the lecture material has been extended and updated by the authors. In addition, several recent publications on experimental work have been added in an appendix.
| Author | : Erhard Steffens |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 273 |
| Release | : 2012-12-06 |
| Genre | : Science |
| ISBN | : 9401001650 |
Download Spin Structure of the Nucleon Book in PDF, ePub and Kindle
A comprehensive survey of the most recent results from the field of quark-gluon structure of the nucleon, in particular how the spin of the nucleon is shared by its constituents. After very intriguing results from CERN and SLAC at the end of the 1980s, the last decade has seen a set of second-generation experiments at high energy accelerators that have yielded precise information on the solution of the 'Spin Crisis' - as well as opening up new questions. The articles are written by experts from the leading collaboration and theory groups as well as providing an expert summary of the state of the art, the book points the way to future research directions. Its main focus is on semi-inclusive and exclusive measurements of deep inelastic lepton scattering, which enables for the first time the determination of the flavor-separated quark spin distributions. Future developments on generalized parton distributions and their interpretation as well as the transverse spin structure are also covered. An indispensable volume for all working in hadronic physics.
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| Release | : 2016 |
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Download An Overview of Recent Nucleon Spin Structure Measurements at Jefferson Lab Book in PDF, ePub and Kindle
Jefferson Lab have made significant contributions to improve our knowledge of the longitudinal spin structure by measuring polarized structure functions, g1 and g2, down to Q2 = 0.02 GeV2. The low Q2 data is especially useful in testing the Chiral Perturbation theory (cPT) calculations. The spin-dependent sum rules and the spin polarizabilities, constructed from the moments of g1 and g2, provide an important tool to study the longitudinal spin structure. We will present an overview of the experimental program to measure these structure functions at Jefferson Lab, and present some recent results on the neutron polarizabilities, proton g1 at low Q2, and proton and neutron d2 measurement. In addition to this, we will discuss the transverse spin structure of the nucleon which can be accessed using chiral-odd transversity distribution (h1), and show some results from measurements done on polarized 3He target in Hall A.
| Author | : CLAS Collaboration |
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| Total Pages | : |
| Release | : 2003 |
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Download Measurement of Spin Structure Functions at Low to Moderate Q{sup 2} Using CLAS. Book in PDF, ePub and Kindle
Spin structure functions of the nucleon in the region of large x and small to moderate Q2 continue to be of high current interest. A large experimental program to measure the spin structure function g1 and its first moment Gamma{sub 1} has been concluded at Jefferson Lab. An overview of the experiment and its kinematic coverage will be discussed. We will also show preliminary results from the 5.7 GeV and the 1.6 GeV data sets.
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| Release | : 2003 |
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Download Measurement of Spin Structure Functions at Low to Moderate Q2 Using CLAS. Book in PDF, ePub and Kindle
Spin structure functions of the nucleon in the region of large x and small to moderate Q2 continue to be of high current interest. A large experimental program to measure the spin structure function g1 and its first moment Gamma1 has been concluded at Jefferson Lab. An overview of the experiment and its kinematic coverage will be discussed. We will also show preliminary results from the 5.7 GeV and the 1.6 GeV data sets.
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| Release | : 2003 |
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Download Nucleon Spin Structure Functions G1 and G2 from Polarized Inclusive Scattering Book in PDF, ePub and Kindle
This paper will present a survey of recent experimental results for the g1 and g2 spin structure functions. Over the past decade, these structure functions (and the virtual photon asymmetries A1 and A2) have been well-measured in the large-Q2 scaling region using inclusive polarized deep-inelastic scattering. New precision results from Jefferson Lab are now becoming available which cover kinematic regions that were previously poorly measured or completely unmeasured. Topics covered will include: recent experiments at Jefferson Lab which have made precise measurements of g1 in the resonance region for both proton and neutron to investigate the Q2 evolution of the GDH sum rule, a new measurement of A1 for the neutron in the large-x region where valence quark dynamics dominate, new precision results for g2 from Jefferson Lab, a review of the g1 results and NLO analyses in the scaling region for the SLAC, HERMES, and SMC data. Finally, a survey of results expected from several new experime.
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| Total Pages | : 13 |
| Release | : 1994 |
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Download Polarized Structure Functions of the Nucleon in the Resonance Region Book in PDF, ePub and Kindle
| Author | : Dieter Drechsel |
| Publisher | : World Scientific |
| Total Pages | : 430 |
| Release | : 2001-02-05 |
| Genre | : Science |
| ISBN | : 9814491381 |
Download Gdh 2000 - The Gerasimov-drell-hearn Sum Rule & The Nucleon Spin Structure In The Resonance Region Book in PDF, ePub and Kindle
The history of spin in general, and of the nucleon spin structure in particular, has been full of surprises. For the past 25 years deep inelastic lepton scattering has been studied to determine the carriers of the nucleon spin. However, it was realized only recently that a full understanding of the nucleon spin will also require detailed information on the helicity structure in the resonance region, i.e. in the realm of nonperturbative QCD.This volume gives a status report on the spin structure in the nucleon resonance region, focusing on: new experimental results from SLAC and HERMES; a first glance at the JLab experiments to map out the spin structure functions at low and intermediate four-momentum transfers; the pioneering experiment at MAMI (Mainz) to determine the Gerasimov-Drell-Hearn sum rule for real photons; and recent theoretical concepts and investigations to describe the spin structure in the frameworks of higher twist expansion, phenomenological models and chiral perturbation theory.
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| Release | : 2005 |
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Download New Results on Nucleon Spin Structure Book in PDF, ePub and Kindle
