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4 papers
Impact of recent neutrino data on R-parity violation
Asmaa Abada, Gautam Bhattacharyya, Marta Losada
We take both the bilinear and trilinear R-parity violating couplings in supersymmetric models as a source of neutrino masses and mixings. Using the solar and atmospheric data and t…
Supersymmetry as a physics beyond the standard model
Gautam Bhattacharyya
Here I briefly discuss why supersymmetry is considered a leading candidate of physics beyond the standard model. I also highlight the salient features of different supersymmetry br…
Direct CP violation in B decays in R-parity violating models
Gautam Bhattacharyya
In the standard model, CP asymmetries in the channels are about 2% based on perturbative calculation. Rescattering effects might enhance it to at most (20-25)%.…
LEP- and low energy-bounds on R-parity-violating supersymmetric Yukawa couplings
Gautam Bhattacharyya
Electroweak precision data at LEP are used to place bounds on some -type (-violating) and -type (-violating) -parity violating supersymmetric Yukawa couplings. We…