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Future Sino-US Collaboration in QCD Phyics

Future Sino-US Collaboration in QCD Phyics. Ten-Year Anniversary of STAR-China Collaboration Haiyan Gao 高海燕 Duke University. Virginia Peninsula – Jefferson Lab. Jefferson Lab – Aerial Site View. Add new hall. CHL-2. Enhance equipment in existing halls.

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Future Sino-US Collaboration in QCD Phyics

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  1. Future Sino-US Collaboration in QCD Phyics Ten-Year Anniversary of STAR-China Collaboration Haiyan Gao 高海燕 Duke University

  2. Virginia Peninsula – Jefferson Lab

  3. Jefferson Lab – Aerial Site View

  4. Add new hall CHL-2 Enhance equipment in existing halls JLab Upgrade to 12 GeV Precision Measurement Frontier, Search for new, exotic QCD states and matter Maintain capability to deliver lower pass beam energies: 2.2, 4.4, 6.6… • Scope of the project includes: • Doubling the accelerator beam energy • New experimental Hall and beamline • Upgrades to existing Experimental Halls

  5. 12 GeV Scientific Capabilities Hall D – exploring origin ofconfinementby studying exotic mesons Hall B – understanding nucleon structure viageneralized parton distributions and TMDs Hall C – precision determination of valence quark properties in nucleons and nuclei Hall A – short range correlations, form factors, hyper-nuclear physics, future new experiments (e.g., PV, MOLLER and SoLID)

  6. Nucleon Structure with SoLID • Semi-inclusive Deep Inelastic Scattering program: • Large Acceptance + High Luminosity • + Polarized targets 4-D mapping of asymmetries Tensor charge, TMDs … • Lattice QCD, QCD Dynamics, Models. Solenoidal Large Intensity Device (SoLID) • International collaboration (8 countries, • 50+ institutes and 190+ collaborators) • Rapid Growth in US‐China Collaboration • (2 grants from NSFC + MOU) • Chinese Hadron collaboration • (USTC, CIAE, PKU, Tsinghua U, LZU, IMP) • - large GEM trackers • - MRPC-TOF • Five experiments approved for SoLID • with two having Chinese collaborators as • co-spokesperson (Li from CIAE and Yan from USTC)

  7. Parity Violation with SoLID • Parity-violating Deep Inelastic Scattering: • High Luminosity on LD2 and LH2 • Better than 1% errors for small bins over large range kinematics • Test of Standard Model • Quark structure: • charge symmetry violation • quark-gluon correlations b(x): weak coupling a(x): quark structure information

  8. SoLID Collaborators from China

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