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Rho Parameter Constraints on Models with Large Compact Dimensions
Prasanta Das, Sreerup Raychaudhuri
In models with large extra dimensions, where quantum gravity effects become strong at the TeV scale, the rho-parameter can receive large contributions from one-loop diagrams involv…
Trilinear R-Parity Violation: Theory to Experiment
Sreerup Raychaudhuri
Supersymmetric models without conservation of R-parity are reviewed and low-energy constraints on the extra trilinear couplings listed. Current searches at the LEP, Tevatron and HE…
Constraining Large Extra Dimensions Using Dilepton Data from the Tevatron Collider
Ambreesh K. Gupta, Naba K. Mondal, Sreerup Raychaudhuri
We use the invariant mass distribution of Drell-Yan dileptons as measured by the CDF and D0 Collaborations at the Fermilab Tevatron and make a careful analysis to constrain Kaluza-…
Signals for R-parity-violating Supersymmetry at a 500 GeV e+ e- Collider
Dilip Kumar Ghosh, Rohini M. Godbole, Sreerup Raychaudhuri
We investigate the production of charginos and neutralinos at a 500 GeV e^+e^- collider (NLC) and study their decays to the lightest neutralino, which then decays into multi-fermio…