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12 papers · 2 filters
Corrections to Tri-bimaximal Neutrino Mixing: Renormalization and Planck Scale Effects
Amol Dighe, Srubabati Goswami, Werner Rodejohann
We study corrections to tri-bimaximal (TBM) neutrino mixing from renormalization group (RG) running and from Planck scale effects. We show that while the RG effects are negligible…
Constraints on flavor-dependent long range forces from solar neutrinos and KamLAND
Abhijit Bandyopadhyay, Amol Dighe, Anjan S. Joshipura
Flavor-dependent long range (LR) leptonic forces, like those mediated by the or gauge bosons, constitute a minimal extension of the standard model that preserv…
Looking for a heavy wino LSP in collider and dark matter experiments
Utpal Chattopadhyay, Debottam Das, Partha Konar +1
We investigate the phenomenology of a wino LSP as obtained in AMSB and some string models. The WMAP constraint on the DM relic density implies a wino LSP mass of 2.0-2.3 TeV. We fi…
Thermodynamics of the PNJL model with nonzero baryon and isospin chemical potentials
Swagato Mukherjee, Munshi G. Mustafa, Rajarshi Ray
We have extended the Polyakov-Nambu-Jona-Lasinio (PNJL) model for two degenerate flavours to include the isospin chemical potential (). All the diagonal and mixed derivatives…
Signature of heavy Charged Higgs Boson at LHC in the 1 and 3 prong Hadronic Tau Decay channels
Monoranjan Guchait, Ritva Kinnunen, D. P. Roy
We have done a fast simulation analysis of the charged Higgs signal at LHC in the 1 and 3 prong hadronic -jet channels along with the background. The polarization…
Solar Model Parameters and Direct Measurements of Solar Neutrino Fluxes
Abhijit Bandyopadhyay, Sandhya Choubey, Srubabati Goswami +1
We explore a novel possibility of determining the solar model parameters, which serve as input in the calculations of the solar neutrino fluxes, by exploiting the data from direct…
Working Group Report: Heavy-Ion Physics and Quark-Gluon Plasma
Munshi G. Mustafa, Sudhir Raniwala, T. Awes +20
This is the report of Heavy Ion Physics and Quark-Gluon Plasma at WHEPP-09 which was part of Working Group-4. Discussion and work on some aspects of Quark-Gluon Plasma believed to…
Present Status of Lattice QCD at nonzero T and μ
Rajiv V. Gavai
I review a few selected topics in Lattice Quantum Chromo Dynamics, focusing more on the recent results. These include i) the equation of state and speed of sound, ii) J/ψsuppressio…
Lattice QCD Results on Strangeness and Quasi-Quarks in Heavy-Ion Collisions
Rajiv V. Gavai, Sourendu Gupta
Fluctuations of conserved quantities in heavy-ion collisions have been argued to be diagnostic tools for the nature of the produced phase. These can be related to the predictions o…
Flavor Changing Higgs Decays in Supersymmetry with Minimal Flavor Violation
Abdesslam Arhrib, Dilip K. Ghosh, Otto C. W. Kong +1
We study the flavor changing neutral current decays of the MSSM Higgs bosons into strange and bottom quarks. We focus on a scenario of minimum flavor violation here, namely only th…
Quark-lepton complementarity with quasidegenerate Majorana neutrinos
Amol Dighe, Srubabati Goswami, Probir Roy
A basis independent formulation of quark-lepton complementarity is implemented at a high scale for quasidegenerate Majorana neutrinos. It is shown that even with the renormalizatio…
Measuring the deviation from maximal mixing of atmospheric muon neutrinos at INO
Probir Roy
Neutrino factfile and , survival probabilities and binned up-down asymmetries Error analysis and sensitivity to