Refereed Articles in Journals and Conference Proceedings

Cheng’s papers have pioneered new directions in particle physics. His research works have been cited about 10,000 times as recorded by Google Scholar

• Among the first gauge theory papers on neutrino masses and oscillations

Hierarchy of Lepton Masses in Vector-like Theory with Majorana Particles, T. P. Cheng, Physical Review D 14,1367 (1976).

Neutrino Masses, Mixings, and Oscillations in SU(2)×U(1) Models of Electroweak Interactions, T. P. Cheng and L. F. Li, Physical Review D 22, 2860 (1980).

• Lepton flavor-changing processes as sensitive probes of new physics: presented the first gauge theories of muon number nonconservation, & another on quark flavor-changing Higgs couplings.

Nonconservation of Separate μ- and e- Lepton Numbers in Gauge Theories with V+A Currents, T. P. Cheng and L. F. Li, Physical Review Letters 38, 381 (1977).

Muon Number Nonconservation Effects in a Gauge Theory with V+A Currents and Heavy Neutral Leptons, T. P. Cheng and L. F. Li, Physical Review D 16,1425 (1977).

Muon Number Nonconservation in Gauge Theories, T. P. Cheng and L. F. Li, in Deeper Pathways in High Energy Physics, Proc. of Orbis Scientiae 1977, Coral Gables, (eds.) B. Kursunoglu et al. (Plenum Press, New York, 1977), p 659-671

Mass-Matrix Ansatz and Flavor Nonconservation in Models with Multiple Higgs Doublets, T. P. Cheng and M. Sher, Physical Review D 35, 3484 (1987).

• Presented the first evidence for a possibly significant strange quark content of the proton (by showing that the value of πN amplitude at the Cheng-Dashen kinematic point implies a large violation of “the Zweig Rule”).

Is SU(2)×SU(2) a Better Symmetry than SU(3)? T. P. Cheng and R. F. Dashen, Physical Review Letters 26, 594 (1971)

The Zweig Rule and the πN Sigma Term, T. P. Cheng, Physical Review D 13, 2161 (1976).

Chiral Symmetry and the Higgs-Boson Nucleon Couplings, T. P. Cheng, Physical Review D 38, 2869 (1988).

• Proposed a new model of the nucleon's quark structure.

Flavor and Spin Contents of the Nucleon in the Quark Model with Chiral Symmetry, T. P. Cheng and L. F. Li, Physical Review Letters 74, 2872 (1995).

Why Naïve Quark Model Can Yield a Good Account of the Baryon Magnetic Moments, T. P. Cheng and L. F. Li, Physical Review Letters 80, 2789 (1998).

Antiquark Polarization Inside the Proton is Small, T. P. Cheng and L. F. Li, Physics Letters B 366, 365 (1996); (E) 381, 487 (1996)

The Proton Spin and Flavor Structure in the Chiral Quark Model, L. F. Li, and T. P. Cheng, in Computing Particle Properties, Lectures at the 36th International University School of Nuclear and Particle Physics, Schladming, Austria, (eds.) H. Gausterer and C. B. Lang (Lecture Notes in Physics 512, Springer-Verlag, Heidelberg, 1998), p115-160

Non-perturbative QCD Spin Studies, (Plenary talk), T. P. Cheng and L. F. Li, in SPIN 98 -- Proceedings of the 13th International Symposium on High Energy Spin Physics, 8 - 12 September 1998, Protvino, Russia (eds.) N E Tyurin et al. (World Scientific, Singapore, 1999), p.192-209

• Systematic study of the renormalization group structure of gauge theories with scalar particles, leading to the suggestion that the QCD gauge symmetry is not broken and the short-distance feature of strong interactions just reflects color confinement

Higgs Phenomena in Asymptotically Free Gauge Theories, T. P. Cheng, E. J. Eichten, and L. F. Li, Physical Review D 9, 2259 (1974).

• Proved low-energy theorems of radiative correction, which also facilitated the subsequent development of chiral perturbation theory.

Low-Energy Theorem for e^4 Compton Scattering Amplitudes, T. P. Cheng, Physical Review 176, 1674 (1968).

Low Energy Theorem on Radiative Corrections, T. P. Cheng, Physical Review 184, 1805 (1969).