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- Harish-Chandra Research InstituteIN57 papers
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4 papers · 2 filters
R-Parity violation in B --> pi+ pi- decay
Gautam Bhattacharyya, Amitava Datta, Anirban Kundu
We consider the impact of R-parity violating suprsymmetry in the nonleptonic decay B --> pi+ pi-. This is one of the rare instances where new physics contributes to both B-Bbar mix…
Can radiative magnification of mixing angles occur for two-zero neutrino mass matrix textures?
Gautam Bhattacharyya, Amitava Raychaudhuri, Arunansu Sil
Neutrino Majorana masses and mixings can be generated from a dimension-5 operator within the standard model particle content. After a review of the mechanism of radiative enhanceme…
Gauge unification in 5-D SU(5) model with orbifold breaking of GUT symmetry
Biswajoy Brahmachari, Amitava Raychaudhuri
We consider a 5-dimensional SU(5) model wherein the symmetry is broken to the 4-dimensional Standard Model by compactification of the 5th dimension on an S^1/(Z_2 \times Z^\prime_2…
Power law enhancement of neutrino mixing angles in extra dimensions
Gautam Bhattacharyya, Srubabati Goswami, Amitava Raychaudhuri
We study the renormalization of the -type Majorana neutrino mass operator in a scenario where there is a compactified extra dimension and the fields involved correspond to on…