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Showing 1 to 4 of 4 for “"Parton Distribution Function"”.
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Double spin asymmetry AL̳T̳ in charged pion production from deep inelastic scattering on a transversely polarized ³He target
… the poorly known transverse momentum dependent parton distribution function gq/1T, which describes the longitudinal polarization of quarks in a transversely polarized nucleon. The gq/1T function requires an interference between wave function components differing by one unit of quark OAM, and …
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Advances in ab initio approaches to nuclear structure, reaction and nucleonic dynamics
… initio}, non-perturbative, time-dependent basis function method to solve the nuclear structure and scattering problems in a unified manner. We apply this method to a test problem: the Coulomb excitation of a trapped deuteron by an impinging heavy ion. The states of the deuteron system are …
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Probing the flavor dependence of proton's light-quark sea in the SeaQuest experiment at Fermilab
Surprisingly large flavor asymmetry of the light-quark sea in the proton was reported in deep-inelastic scattering and Drell-Yan experiments. The Bjorken-$x$ dependence of the $\bar{d}/\bar{u}$ ratio extracted from the Fermilab E866 experiment also revealed an intriguing drop at the highest values …
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Studying the Quark Structure of the Proton in High Energy Proton-Proton Collisions at RHIC
… This measurement combines the transversity distribution function and a polarized di-hadron fragmentation function, therefore can be included in the global analysis as an independent measurement of quark transversity. Di-hadron single spin symmetries from currently available data sample are …