CP-violating dipole form factors of the top quark and tau lepton in scalar leptoquark models

Details CP-violating dipole form factors of the top quark and tau lepton in scalar leptoquark models CP-violating dipole form factors of the top quark and tau lepton in scalar leptoquark models

1997-08-13

arxiv.org/abs/hep-ph/9708332v1

Pramana 51 (1998) 387-403

Physics

High Energy Physics

High Energy Physics - Phenomenology

22 pages, LaTeX, includes 14 figures in postscript files

Scientific paper

10.1007/BF02828932

We calculate the CP-violating electric and weak dipole form factors of the top quark and the tau lepton in models with scalar leptoquarks coupling only to the third generation of quarks and leptons. We obtain numerical values of the real and imaginary parts of these form factors at various energies for different values of leptoquark masses and couplings. The existing limits on the tau electric and weak dipole form factors allows us to put a limit on the masses and couplings of such leptoquarks and therefore on the top electric and weak dipole form factors. We also discuss constraints on the form factors coming from indirect limits on leptoquark masses and couplings deduced from LEP results on Z properties.

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