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Insight into nucleon structure from generalized parton distributions

✍ Scribed by J.W Negele; R.C Brower; P Dreher; R Edwards; G Fleming; Ph Hägler; Th Lippert; A.V Pochinsky; D.B Renner; D Richards; K Schilling; W Schroers

Publisher
Elsevier Science
Year
2004
Tongue
English
Weight
257 KB
Volume
129-130
Category
Article
ISSN
0920-5632

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✦ Synopsis

The lowest three moments of generalized parton distributions are calculated in full QCD and provide new insight into the behavior of nucleon electromagnetic form factors, the origin of the nucleon spin, and the transverse structure of the nucleon.

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✍ W. Schroers; R.C. Brower; P. Dreher; R. Edwards; G. Fleming; Ph. Hägler; U.M. He 📂 Article 📅 2004 🏛 Elsevier Science 🌐 English ⚖ 255 KB

We present a lattice measurement of the first two moments of the spin-dependent GPD H(z, [, t). From these we obtain the axial coupling constant and the second moment of the spin-dependent forward parton distribution. The measurements are done in full QCD using Wilson fermions. In addition, we also