期刊
PHYSICAL REVIEW D
卷 96, 期 3, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.96.034002
关键词
-
资金
- National Natural Science Foundation of China [11405268, 11647113]
We present a compact form of the leptonic currents for the computation of the processes involving an initial virtual boson (photon, W-+/-, or Z(0)). For deeply inelastic scattering, once the azimuthal angle of the plane expanded by the initial-and final-state leptons is integrated over in the boson-proton center-of-mass frame, the azimuthal-asymmetric terms vanish, which, however, is not true when some physical quantities (such as the transverse momentum of the observed particle) are specified in the laboratory frame. The misuse of the symmetry may lead to wrong results.
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