7 papers
Radiative four neutrino masses and mixings
Probir Roy
The radiative model, proposed by Zee, is extended from the three neutrino sector to include a fourth sterile neutrino . The oscillations $ν_e \leftrightarrow ν_s…
Supersymmetric theories with explicit R-parity violation
Probir Roy
and motivation for explicit $R\!\!\!/}_p$, MSSM $ R\!\!\!/}_p$ MSSM, Bounds on couplings, Collider-specific phenomenology, Cosmological implicati…
Unification and Model Building, Astroparticle Physics and Neutrinos
Amitava Raychaudhuri, Probir Roy
This report summarises the work done during the Workshop on High Energy Physics Phenomenology 4 (S.N.Bose National Centre for Basic Sciences, Calcutta, India, Jan 2-14,1996) in Wor…
Higgs-mediated Slepton Pair-production at the Large Hadron Collider
Mike Bisset, Sreerup Raychaudhuri, Probir Roy
At the LHC, directly pair-produced sleptons may be easier to identify than those arising in cascade decays of squarks or gluinos. Higgs exchange processes leading to such slepton p…
New Bounds on R-Parity Violating Couplings
Marc Sher
Bounds on R-parity violating couplings in the supersymmetric standard model are reviewed, and some new bounds arising from non-observation of certain rare B-decays (such as $B \rig…
Electroweak Processes and Precision Tests
Probir Roy
Review of the electroweak sector of the minimal standard model, Basic LEP processes at the tree level, 1-loop radiative corrections in the on-shell renormalization scheme, Star sch…