2 papers
hep-ph2026
Covariant Spinor Formalism for Multipole Expanded Form Factor
Hong Huang, Tuo Tan, Yi-Ning Wang +1
We present a systematic technique for constructing Lorentz covariant orbital-spin () bases for matrix elements of local operators and the associated form factors, thereby exten…
hep-ph2026
Covariant Construction of Generalized Form Factors
Hao Sun, Tuo Tan, Jiang-Hao Yu
We present a systematic technique for constructing the Lorentz-covariant structures of hadronic matrix elements of local operators. The spinor Young tableaux of the Lorentz group i…