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Department of Physics,National Taiwan University

Faculty(by Directory)

Xiao-Gang He

Name   何小剛
 Xiao-Gang He
Title   Distinguished Professor
Education   Ph.D., University of Hawaii (1987) 


  1. Electroweak and Strong Interactions. 
  2. Grand Unified Theories 
  3. Supersymmetric Phenomenology 
  4. Particle Astrophysics 
  5. Topological Phases in Quantum Mechanics 
  6. 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
  1. S. L. Chen and X. G. He, “Interactions of Unparticles with Standard Model Particles”, Phys. Rev. D76: 091702 (Rapid Communication) (2007). [TOPCITE = 50+]
  2. X. G. He, J. Tandean and G. Valencia, “Does the HyperCP Evidence for the Decay Sigma --> p mu+ mu- Indicate a Light Pseudoscalar Higgs Boson?”, Phys. Rev. Lett. 98: 081802 (2007).
  3. X. G. He, Y. Y. Keum and R. R. Volkas, “A(4) flavor symmetry breaking scheme for understanding quark and neutrino mixing angles”, JHEP 0604: 039(2006).[TOPCITE=50+]
  4. X. G. He, X. Q. Li, X. Liu and X. Q. Zeng, “New members in the 0+ (0++) family”, Phys. Rev. D73: 051502 (Rapid Communication) 2006).
  5. K.S. Babu, Xiao-Gang He, Model of geometric neutrino mixing, e-Print: hep-ph/0507217.[TOPCITE=50+]
  6. H. K. Fu, X. G. He, Y. K. Hsiao, “B ---> eta(eta-prime) K(pi) in the standard model with flavor symmetry”, Phys. Rev. D69: 074002 (2004).
  7. X. G. He and A. Zee, “Some simple mixing and mass matrices for neutrinos”, Phys. Lett. B 560:87-90 (2003).[TOPCITE=100+]
  8. X. G. He, H. Y. Jin, J. P. Ma, “Radiative decay of upsilon into a scalar glueball”, Phys. Rev. D66: 074015 (2002).
  9. X. G. He, Y. K. Hsiao, J. Q. Shi, Y. L. Wu and Y.F. Zhou, “The CP violating phase gamma from global fit of rare charmless hadronic B decays”, Phys. Rev. D64: 034002 (2001).
  10. N. G. Deshpande, X. G. He, W. S. Hou and S. Pakvasa, ”Electroweak penguins, final state interaction phases and CP violation in B to K pi decays”, e-print hep-ph/9809329, Phys. Rev. Lett. 82, 2240 (1999).[TOPCITE=50+]
  11. N.G. Deshpande and X. G. He, “Isospin structure of penguins and their consequences in B physics”, Phys. Rev. Lett. 74, 26-29(1995); Erratum-ibid 74, 4099(1995). [TOPCITE=100+]
  12. N. Deshpande and X. G. He, “Hadronic Penguin B Decays In the Standard And the Two Higgs Doublet Models”, Phys. Lett. B336, 471-476 (1994). [TOPCITE=100+]
  13. X. G. He and B. McKellar, “Topological phase due to electric dipole moment and magnetic monopole interaction”, Phys. Rev. A47, 3424-3425 (1993).
  14. X. G. He, B. McKellar and S. Pakvasa, “The neutron electric dipole moment”, Int. Jou. Mod. Phys. A4, 5011-5046 (1989). Erratum-ibid, A6, 1063 (1991). [TOPCITE=50+]
  15. J. Donoghue, X. G. He and S. Pakvasa, “Hyperon Decays and CP nonconservation”, Phys. Rev. D34, 833-842 (1986). [TOPCITE=50+]