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7 papers · 2 filters
Leptonic CP violation in a two parameter model
Samina S. Masood, Salah Nasri, Joseph Schechter
We further study the "complementary" Ansatz, Tr=0, for a prediagonal light Majorana type neutrino mass matrix. Previously, this was studied for the CP conserving case and th…
Baryogenesis after Hyperextended Inflation
Antonio De Felice, Mark Trodden
We study a baryogenesis mechanism operating in the context of hyperextended inflation and making use of a coupling between the scalar field and a standard model global current, suc…
Relaxing Cosmological Constraints on Large Extra Dimensions
Cosmin Macesanu, Mark Trodden
We reconsider cosmological constraints on extra dimension theories from the excess production of Kaluza-Klein gravitons. We point out that, if the normalcy temperature is above 1 G…
Single Kaluza Klein Production in Universal Extra Dimensions
Cosmin Macesanu, Satyanarayan Nandi, Marius Rujoiu
In the universal extra dimensions models, Kaluza Klein excitations of matter are generaly produced in pairs. However, if matter lives on a fat brane embedded in a larger space, gra…
Study of leptonic CP violation
S. Nasri, J. Schechter, S. Moussa
The "complementary" Ansatz, Tr, where is the prediagonal neutrino mass matrix, seems a plausible approximation for capturing in a self-contained way some of the cont…
Topology in the Little Higgs Models
Mark Trodden, Tanmay Vachaspati
We investigate the implications of the nontrivial vacuum structure of little Higgs models. In particular, focusing on the littlest Higgs model, we demonstrate the existence of thre…