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9 papers · 2 filters
Constraints on flavour-dependent long-range forces from atmospheric neutrino observations at Super-Kamiokande
Anjan S. Joshipura, Subhendra Mohanty
In the minimal standard model it is possible to gauge any one of the following global symmetries in an anomaly free way: (i), (ii) or (iii) . If the…
CP violation at a linear collider with transverse polarization
B. Ananthanarayan, Saurabh D. Rindani
We show how transverse beam polarization at colliders can provide a novel means to search for CP violation by observing the distribution of a single final-state particle w…
Gauged B-3L_τ, low-energy unification and proton decay
Palash B. Pal, Utpal Sarkar
We point out that if there is a gauged symmetry at low energy, it can prevent fast proton decay. This may help building models with theories with extra dimensions at the T…
Chiral symmetry breaking, color superconductivity and color neutral quark matter: a variational approach
Amruta Mishra, Hiranmaya Mishra
We investigate the vacuum realignment for chiral symmetry breaking and color superconductivity at finite density in Nambu-Jona-Lasinio model in a variational method. The treatment…
Consequences of neutrinoless double beta decay and WMAP
H. V. Klapdor-Kleingrothaus, U. Sarkar
Observation of the neutrinoless double beta decay ($\0n$) has established that there is lepton number violation in nature and the neutrino masses are Majorana in nature. It also gi…
Single decay-lepton angular distributions in polarized e+e- --> t tbar and simple angular asymmetries as a measure of CP-violating top dipole couplings
Saurabh D. Rindani
In the presence of an electric dipole coupling of t-tbar to a photon, and an analogous "weak" dipole coupling to the Z, CP violation in the process e+e- --> t tbar results in modif…