Physical Review Letters
The supersymmetric contributions to the KL−KS mass difference makes the previously obtained bounds on the right-handed scale (MR>1.6 TeV) much weaker. This raises the interesting possibility that the left-right model could be tested as an alternative to SUL(2)⊗U(1) at low energies. Also we find that to demand that the supersymmetric contribution to the KL−KS mass difference be less than 3.5×10−15 GeV requires that scalar-quark masses be more than 400 GeV.
Gangopadhyaya, A. (1985). KL−KS mass difference and supersymmetric left-right-symmetric theories. Physical Review Letters, 54(20), 2203-2206.
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© The American Physical Society, 1985.