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Anatoly Radyushkin (Old Dominion University)6/7/21, 4:00 PMSlides
I give an overview of (mostly my own) work on aspects of QCD dynamics in hadronic form factors at large momentum transfer.
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The topics include a discussion of basics of soft and hard mechanisms, QCD sum rule applications, calculation of meson form factors in holographic QCD, and connection of form factors to generalized parton distributions. -
Miguel Arratia (UC Riverside)6/7/21, 4:30 PMSlides
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Bill Li (William and Mary), Garth Huber (U. of Regina)6/7/21, 5:00 PMSlides
The recent measurements of exclusive backward-angle meson electroproduction
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from Jefferson Lab hint at a new domain of applicability of the QCD collinear
factorization framework in the special u-channel kinematics regime. As a
signature of QCD degrees of freedom in nuclei, and as a co-requisite of
reaching the factorization regime, Color Transparency is expected to manifest
itself as an... -
Werner Boeglin (FIU)6/8/21, 4:00 PMSlides
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Israel Mardor (Tel Aviv U.)6/8/21, 4:30 PMSlides
We present the results of two experimental programs at the Alternating Gradient Synchrotron of Brookhaven National Lab, to measure the nuclear transparency of nuclei via the quasi-elastic A(p,2p) scattering process near 90° in the pp center of mass. Data was taken at effective incident momenta ranging from 5.0 to 15.8 GeV/c (taking into account the Fermi motion of the target proton in the...
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Douglas Higinbotham (JLab)6/8/21, 5:00 PMSlides
By design, the (e,e’p) color transparency experiments have been done in relatively clean kinematics (parallel) where FSI effects are minimal. Also, the dominator of the transparency is a naïve function such that and one would not expect the ratio to go to unity even if there was color transparency due to initial-state effects, such as short-range correlations, which are neglected. We look...
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