Haiyan Gao

Haiyan Gao

Henry Newson Distinguished Professor of Physics

Professor of Physics

Professor of Physics at Duke Kunshan University (Secondary)

Office Location: 
Ffsc 2313, Science Drive, Durham, NC 27708
Front Office Address: 
Box 90308, Durham, NC 27708-0308
Phone: 
(919) 660-2622

Overview

Prof. Gao's research focuses on understanding the structure of the nucleon in terms of quark and gluon degrees of freedom of Quantum Chromodynamics (QCD), search for QCD exotics, and fundamental symmetry studies at low energy to search for new physics beyond the Standard Model of electroweak interactions. Most recently, her group's studies of the structure of the nucleon have been focusing on a precision measurement of the proton (see her group's 2019 Nature paper on this topic) and deuteron charge radii to elucidate on the proton and the deuteron charge radius puzzles, and on imaging the three-dimensional structure of the nucleon in momentum space through the extraction of transverse momentum dependent parton distribution functions (TMDs), employing polarized semi-inclusive deep inelastic scattering processes. The nucleon tomography provided by TMDs will uncover the rich QCD dynamics, and provide quantitative information about the quark orbital angular momentum contribution to the proton spin. TMDs will also provide information on fundamental quantities such as the tensor charge of the nucleon, a quantity not only important for testing lattice QCD predictions, but also important for searches of new physics beyond the Standard Model together with the next generation of nucleon electric dipole moment experiments. Her group is playing leading roles in the Solenoidal Large Intensity Device (SoLID) project at Jefferson Lab, a high profile program which will make major impact on TMD physics, proton mass puzzle through precision measurement of J/psi production near threshold, and search for new physics beyond the Standard Model using parity-violating deep inelastic scattering. Most of her work utilizes the novel experimental technique of scattering polarized electrons or photons from polarized gas targets. Her group has built a number of state-of-the-art polarized gas targets including H/D internal gas target and a high-pressure polarized 3He target for photon experiments using the High Intensity Gamma Source (HIGS) facility at the Duke Free Electron Laser Laboratory (DFELL). Her research is being carried out mostly at the Thomas Jefferson National Accelerator Facility (JLab) in Newport News, Virginia, and the HIGS facility at DFELL.

Education & Training

  • Ph.D., California Institute of Technology 1994

  • B.S., Tsinghua University (China) 1988

Selected Grants

Heavy Gas and MARCO Sum Readout for High Rate Test of MaPMT Arrays Using a Telescopic Cherenkov Device at JLab awarded by Argonne National Laboratory (Principal Investigator). 2020 to 2021

Medium Energy Physics Program at Duke University-Renewal awarded by Department of Energy (Principal Investigator). 2002 to 2020

Jefferson Science Associates (JSA) Fellowship - Weizhi Xiong awarded by Jefferson Science Associates, LLC (Principal Investigator). 2018 to 2019

Experimental Nuclear Physics - Dr. Tianbo Liu at Jefferson Lab awarded by Thomas Jefferson National Accelerator Facility (Principal Investigator). 2017 to 2019

REU Site: Undergraduate Research in Nuclear Physics at TUNL/Duke University awarded by National Science Foundation (Senior Investigator). 2015 to 2019

Xuefei Yan JSA Fellowship awarded by Southeastern Universities Research AssociationJefferson Lab (Principal Investigator). 2016 to 2017

Chao Peng JSA Fellowship awarded by Southeastern Universities Research AssociationJefferson Lab (Principal Investigator). 2014 to 2016

The g2p experiment in Hall A at Jefferson Lab awarded by Southeastern Universities Research AssociationJefferson Lab (Principal Investigator). 2012 to 2015

Sulkosky, V., et al. “Measurement of the 3He spin-structure functions and of neutron (3He) spin-dependent sum rules at 0.035 ≤ Q2 ≤ 0.24 GeV2.” Physics Letters, Section B: Nuclear, Elementary Particle and High Energy Physics, vol. 805, June 2020. Scopus, doi:10.1016/j.physletb.2020.135428. Full Text

Larin, I., et al. “Precision measurement of the neutral pion lifetime.Science (New York, N.Y.), vol. 368, no. 6490, May 2020, pp. 506–09. Epmc, doi:10.1126/science.aay6641. Full Text

Li, X., et al. “Compton scattering from He 4 at the TUNL HIγ S facility.” Physical Review C, vol. 101, no. 3, Mar. 2020. Scopus, doi:10.1103/PhysRevC.101.034618. Full Text Open Access Copy

Xiong, W., et al. “A small proton charge radius from an electron-proton scattering experiment.Nature, vol. 575, no. 7781, Nov. 2019, pp. 147–50. Epmc, doi:10.1038/s41586-019-1721-2. Full Text

Long, E., et al. “Measurement of the single-spin asymmetry Ay0 in quasi-elastic 3He↑(e,e′n) scattering at 0.4 < Q2 < 1.0 GeV/c2.” Physics Letters, Section B: Nuclear, Elementary Particle and High Energy Physics, vol. 797, Oct. 2019. Scopus, doi:10.1016/j.physletb.2019.134875. Full Text

Ambrozewicz, P., et al. “High precision measurement of Compton scattering in the 5 GeV region.” Physics Letters, Section B: Nuclear, Elementary Particle and High Energy Physics, vol. 797, Oct. 2019. Scopus, doi:10.1016/j.physletb.2019.134884. Full Text

Mihovilovič, M., et al. “Measurement of double-polarization asymmetries in the quasi-elastic He→3(e→,e′p) process.” Physics Letters, Section B: Nuclear, Elementary Particle and High Energy Physics, vol. 788, Jan. 2019, pp. 117–21. Scopus, doi:10.1016/j.physletb.2018.10.063. Full Text

Ahmed, M. W., et al. “A new cryogenic apparatus to search for the neutron electric dipole moment.” Journal of Instrumentation, vol. 14, no. 11, Jan. 2019. Scopus, doi:10.1088/1748-0221/14/11/P11017. Full Text

Liu, T., et al. “Experimental constraint on quark electric dipole moments.” Physical Review D, vol. 97, no. 7, Apr. 2018. Scopus, doi:10.1103/PhysRevD.97.074018. Full Text

Sulkosky, V., et al. “Extraction of the neutron electric form factor from measurements of inclusive double spin asymmetries.” Physical Review C, vol. 96, no. 6, Dec. 2017. Scopus, doi:10.1103/PhysRevC.96.065206. Full Text

Pages

Gao, H., et al. “New results on spin and 3D structure measurements.” Proceedings of Science, vol. 316, 2018. Scopus, doi:10.22323/1.316.0234. Full Text

Gao, H., et al. “The TMD program at JLab.” Proceedings of Science, vol. 316, 2018. Scopus, doi:10.22323/1.316.0232. Full Text

Gao, H. “Closing remarks at spin 2018 symposium.” Proceedings of Science, vol. 346, 2018.

Zhao, Z., et al. “Nucleon 3D imaging program with soLID at Jefferson Lab.” Proceedings of Science, vol. 346, 2018.

Gao, H., et al. “Experimental progress and status on nucleon electromagnetic form factors.” Epj Web of Conferences, vol. 113, 2016. Scopus, doi:10.1051/epjconf/201611301012. Full Text

Peng, C., and H. Gao. “Proton Charge Radius (PRad) Experiment at Jefferson Lab.” Epj Web of Conferences, vol. 113, 2016. Scopus, doi:10.1051/epjconf/201611303007. Full Text

Gao, H., and T. Liu. “Experimental overview on GPDs and TMDs.” Proceedings of Science, vol. 2016-September, 2016.

Gao, H., et al. “Latest results on few-body physics from HIγS.” Proceedings of Science, vol. 29-June-2015, 2015.

Huffman, P. R., et al. “Search for the neutron electric dipole moment: Contributions from the triangle universities nuclear laboratory.” Proceedings of the 2011 Meeting of the Division of Particles and Fields of the American Physical Society, Dpf 2011, 2011.

Huffman, P. R., et al. “Search for the neutron electric dipole moment: Contributions from the triangle universities nuclear laboratory.” Proceedings of the 2011 Meeting of the Division of Particles and Fields of the American Physical Society, Dpf 2011, 2011.

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