نتایج جستجو برای: generalized parton distribution

تعداد نتایج: 766164  

2005
P. Kroll A. Schäfer

We analyse the exclusive channel p¯ p → γ π 0 , assuming handbag dominance. The soft parts are parametrized in terms of CGLN amplitudes for the q ¯ q → γπ 0 transition and form factors for the p¯ p → q ¯ q ones, the latter represent moments of Generalized Distribution Amplitudes. We present a combined fit to Fermilab data from E760 taking simultaneously into account information from other exclu...

In this paper, we consider a form of the generalized logistic distribution named symmetric extended generalized logistic distribution or extended type III generalized logistic distribution. The distribution is derived by compounding a two-parameter generalized Gumbel distribution with a two-parameter generalized gamma distribution. The cumulative distribution and some properties of this distrib...

Journal: :Suplemento de la revista mexicana de física 2022

Momentum and spatial distributions of quarks gluons inside hadrons are typically encoded in the so-called generalized parton (GPDs). GPDs multi-dimensional quantities that very challenging to extract, both experimentally within lattice QCD. We present first results on x-dependence isovector unpolarized, helicity transversity proton, obtained from QCD using an ensemble Nf = 2 + 1 maximally twist...

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