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- Homi Bhabha National InstituteIN282 papers
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11 papers · 2 filters
Probing Gauge-Mediated Supersymmetry Breaking Through Polarized Electron Beams in an Collider
Ambar Ghosal, Anirban Kundu, Biswarup Mukhopadhyaya
Using the facts that in Gauge-Mediated Supersymmetry Breaking schemes, masses of the right and the left sfermions can differ widely, and the gravitino is the Lightest Supersymmetri…
Some Implications of a Supersymmetric Model with R-Parity Breaking Bilinear Interactions
Sourov Roy, Biswarup Mukhopadhyaya
We investigate a supersymmetric scenario where R-parity is explicitly broken through a term bilinear in the lepton and Higgs superfields in the superpotential. We show that keeping…
Vacuum structure and effective potential at finite temperature: a variational approach
Amruta Mishra, Hiranmaya Mishra
We compute the effective potential for theory with a squeezed coherent state type of construct for the ground state. The method essentially consists in optimising the basis a…
Non-commuting ETC corrections to zt\bar{t} vertex
Uma Mahanta
In this paper we calculate the corrections to zt\bar {t} couplings induced by non-commuting ETC interactions. The extra parameters \delgbl, s^2 and {1\over x} of non-commuting ETC…
Implications of m_t and R_b on zt\bar{t} couplings in standard ETC models
Uma Mahanta
In standard ETC models the sideways and diagonal ETC interactions contribute to with opposite signs. The aim of this article is to study the implications of the CDF value fo…
Unusual Charged Higgs Signals at LEP-2
Dilip Kumar Ghosh, Rohini M. Godbole, Biswarup Mukhopadhyaya
We have made a detailed study of the signals produced at LEP-2 from charged scalar bosons whose dominant decay channels are into four fermions. The event rates as well as kinematic…