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- Homi Bhabha National InstituteIN282 papers
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11 papers · 2 filters
Topological Defects in the Left-Right Symmetric Model and their Relevance to Cosmology
U. A. Yajnik, Hatem Widyan, Shobhit Mahajan +2
It is shown that the minimal left-right symmetric model admits cosmic string and domain wall solutions. The cosmic strings arise when the SU(2)_R is broken and can either be destab…
A supersymmetric resolution of the anomaly in charmless nonleptonic -decays
Debajyoti Choudhury, B. Dutta, Anirban Kundu
We examine the large branching ratio for the process from the standpoint of R parity violating supersymmetry. We have given all possible violating contrib…
Violation of SUSY equivalence in triple gauge boson and gaugino couplings
Uma Mahanta
Supersymmetry implies that the trilinear couplings between gauge bosons and gauginos are equal to all orders in perturbation theory. However if SUSY is broken and some of the super…
Probing the SUSY breaking scale at an collider
Uma Mahanta
If supersymmetry is spontaneously at a low energy scale then the resulting gravitino would be very light. The interaction strength of the longitudinal components of such a light gr…
Correlation between neutrino oscillations and collider signals of supersymmetry in an R-parity violating model
Biswarup Mukhopadhyaya, Sourov Roy, Francesco Vissani
Motivated by the recent Super-Kamiokande results on atmospheric neutrinos, we incorporate massive neutrinos, with large angle oscillation between the second and third generations,…
Neutrino Interactions at Ultrahigh Energies
Raj Gandhi, Chris Quigg, Mary Hall Reno +1
We report new calculations of the cross sections for deeply inelastic neutrino-nucleon scattering at neutrino energies between $10^{9}\ev$ and $10^{21}\ev$. We compare with results…