He, Xiao-Gang 何小剛



Home Institution

Department of Physics & Graduate Institute of Astrophysics, NTU


Ph.D. in Physics, University of Hawaii


R810, New Physics Building, NTU





Current Research Interests


  • Electroweak and Strong Interactions.
  • Grand Unified Theories
  • Supersymmetric Phenomenology
  • Particle Astrophysics
  • Topological Phases in Quantum Mechanics


My main interests of research are in particle phenomenology, particle astrophysics and quantum mechanics. The topics which I have worked on include: CP violation, B physics, Higgs physics, Neutrino physics, Collider physics, Extra dimensions, Baryon asymmetry of the universe, Particle physics model buildings, Cosmology and Topological phases in quantum mechanics.

Selected Publications

“Electroweak penguins, final state interaction phases and CP violation in B to K pi decays”
by N.G. Deshpande , Xiao-Gang He, Wei-Shu Hou, and Sandip Pakvasa, Phys. Rev. Lett. 82, 2240 (1999) [hep-ph/9809329].

“Isospin structure of penguins and their consequences in B physics”
by N.G. Deshpande and Xiao-Gang He, Phys. Rev. Lett. 74, 26-29 (1995); Erratum-ibid 74, 4099 (1995).

“Hadronic Penguin B Decays In the Standard And the Two Higgs Doublet Models”
by N. Deshpande and Xiao-Gang He, Phys. Lett. B336, 471-476 (1994).

“Topological phase due to electric dipole moment and magnetic monopole interaction”
by Xiao-Gang He and B. McKellar, Phys. Rev. A47, 3424-3425 (1993).

“The neutron electric dipole moment”
by Xiao-Gang He, B. McKellar, and S. Pakvasa, Int. Jou. Mod. Phys. A4, 5011-5046 (1989); Erratum-ibid A6, 1063 (1991).

“Hyperon Decays and CP nonconservation”
by J. Donoghue, Xiao-Gang He, and S. Pakvasa, Phys. Rev. D34, 833-842 (1986).