Conveners
Session 6: 3D Structure of the Proton I
- Liuti Simonetta (University of Virginia)
Session 6: 3D Structure of the Proton II
- Mario Campanelli (University College London (UK))
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Andrea Signori (Argonne National Laboratory)27/06/2019, 08:30
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Dr Marcia Quaresma (Academia Sinica (TW))27/06/2019, 08:55Spin Physics
Nucleon structure has been a major subject of study in the recent decades. Its composition in terms of quarks and gluons and how it depends on the momentum, position and spin has been one of the main fields of research of the COMPASS Collaboration. The COMPASS experiment is in operation at CERN since 2002 and presently approved to continue at least till 2021. During these years several...
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Amilkar Quintero (Temple University)27/06/2019, 09:20Spin Physics
The Relativistic Heavy Ion Collide (RHIC) is the only polarized (both longitudinal and transverse) proton collider in the world, capable of reaching center of mass energies of √s = 200 GeV and 510 GeV. At these energies, the dominating processes are quark-gluon and gluon-gluon scattering, allowing the major RHIC experiments probe partons inside the nucleus. The RHIC spin program has...
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Salvatore Fazio27/06/2019, 09:45Spin Physics
The 2015 U.S. Nuclear Physics Long-Range Plan recommended the realization of an electron-ion collider (EIC) as the next large construction project in the United States. A U.S.-based EIC has also recently been endorsed by the U.S. National Academy of Sciences. In their report released in July 2018 they find the scientific case “compelling, unique, and timely”. With its high luminosity, wide...
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Dr Zilong Chang (Brookhaven National Laboratory), Dr Zilong Chang27/06/2019, 10:40Spin Physics
Jets produced in the pseudo-rapidity range, $-1.0 < \eta < 1.0$, from $pp$ collisions at RHIC kinematics are dominated by quark-gluon and gluon-gluon scattering processes. Therefore the longitudinal double-spin asymmetry $A_{LL}$ for jets is an effective channel to explore the longitudinal gluon polarization in the proton. At STAR, jets are reconstructed in full azimuth, from the...
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Michael Engelhardt27/06/2019, 11:05Spin Physics
An ongoing program of evaluating transverse momentum-dependent (TMD)
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observables in hadrons within Lattice QCD is reviewed, summarizing
recent progress with respect to several challenges faced by such
calculations. These lattice calculations are based on a definition of
TMDs through hadronic matrix elements of quark bilocal operators,
including an appropriate gauge connection between the... -
Prof. liuti simonetta27/06/2019, 11:30
I will review the theory and recent phenomenology of Generalized Parton Distributions (GPDs). What sets apart GPDs from their forward kinematic counterparts, the Parton Distribution Functions (PDFs) is the insight they provide on the 3D structure of the nucleon. I will highlight developments of a recent initiative that will boost current investigations within the research program of the future...
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Wen-Chen Chang (Academia Sinica (TW))27/06/2019, 11:55Generalized Parton Distributions
It is well known that the DIS and Drell-Yan processes are two key experimental approaches to reveal the partonic structure of nucleons via either the space-like or time-like virtual photons. Conventionally the nucleon GPDs are explored by DVCS and DVMP processes using lepton beam. In this talk I will introduce a complementary measurement of nucleon GPDs by the exclusive pion-induced Drell-Yan...
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