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8 papers · 1 filter
Light Neutralinos in B-Decays
Rathin ADhikari, Biswarup Mukhopadhyaya
We consider the decays of a -meson into a pair of lightest supersymmetric particles (LSP) in the minimal supersymmetric standard model. It is found that the parameter space fo…
Triplet Higgs bosons at colliders
R. M. Godbole, B. Mukhopadhyaya, M. Nowakowski
We investigate the possibility of probing the triplet Higgs boson sector via single charged Higgs production in the process , at high energy electron-positro…
Can We Identify a Light Neutralino in B-Factories
Rathin Adhikari, Biswarup Mukhopadhyaya
If a light gaugino sector exists, then the lightest supersymmetric particle (LSP) has a chance of being pair-produced in rare B-decays. As a consequence of neutral flavour violatio…
Topological 2D String Theory: Higher-genus Amplitudes and W-infinity Identities
Debashis Ghoshal, Camillo Imbimbo, Sunil Mukhi
We investigate Landau-Ginzburg string theory with the singular superpotential X^{-1} on arbitrary Riemann surfaces. This theory, which is a topological version of the c=1 string at…
Scalar three-body decays and signals for new physics
Rathin Adhikari, Biswarup Mukhopadhyaya
If massive invisible particles are pair-produced in a three-body decay, then the energy distribution of the other (visible) product is sensitive to the mass of the invisible pair.…
N = 2 Super Algebra and its Nonlinear Realization Through Super KP Formulation
Sasanka Ghosh, Samir K. Paul
A nonlinear realization of super algebra is shown to exist through a consistent superLax formulation of super KP hierarchy. The reduction of the superLax operator give…