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20 papers · 1 filter
Partial Yukawa unification and a supersymmetric origin of flavor mixing
K. S. Babu, B. Dutta, R. N. Mohapatra
In a large class of supersymmetric SO(10) and left-right models, requiring that the effective theory below the scale of breaking be the MSSM implies partial Yukawa unific…
On covering translations and homeotopy groups of contractible open n-manifolds
Robert Myers
This paper gives a new proof of a result of Geoghegan and Mihalik which states that whenever a contractible open -manifold which is not homeomorphic to is a c…
The level shifting induced negative magnetoresistance in the nearest-neighbor hopping conduction
X. R. Wang, S. C. Ma, X. C. Xie
We propose a new mechanism of negative magnetoresistance in non-magnetic granular materials in which electron transport is dominated by hopping between two nearest-neighbor cluster…
Fermion masses, neutrino oscillations, and proton decay in the light of SuperKamiokande
K. S. Babu, Jogesh C. Pati, Frank Wilczek
Within the framework of unified gauge models, interactions responsible for neutrino masses can also provide mechanisms for nucleon instability. We discuss their implications concre…
Signatures of Supersymmetry and Yukawa Unification in Higgs Decays
K. S. Babu, Christopher Kolda
We show that the branching ratio R_{b/tau}=BR(h^0->bb)/BR(h^0->tau tau) of the Higgs boson h^0 may usefully differentiate between the Higgs sectors of the Minimal Supersymmetric St…
Decision problems in the space of Dehn fillings
William Jaco, Eric Sedgwick
In this paper, we use normal surface theory to study Dehn filling on a knot-manifold. First, it is shown that there is a finite computable set of slopes on the boundary of a knot-m…