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54 papers · 1 filter
A stable hierarchy from Casimir forces and the holographic interpretation
Jaume Garriga, Alex Pomarol
We show that in the Randall-Sundrum model the Casimir energy of bulk gauge fields (or any of their supersymmetric relatives) has contributions that depend logarithmically on the ra…
Regenerating hyperbolic cone structures from Nil
Joan Porti
Let O be a three-dimensional Nil-orbifold, with branching locus a knot Sigma transverse to the Seifert fibration. We prove that O is the limit of hyperbolic cone manifolds with con…
Forward-backward and isospin asymmetry for B -> K* l+ l- decay in the standard model and in supersymmetry
Thorsten Feldmann, Joaquim Matias
We discuss two dedicated observables in exclusive B -> K* l+ l- decay that can be used to study effects of physics beyond the standard model, namely the forward-backward asymmetry…
Localization for Discrete One Dimensional Random Word Models
David Damanik, Robert Sims, Günter Stolz
We consider Schrödinger operators in whose potentials are obtained by randomly concatenating words from an underlying set according to some probability m…
News on Leptogenesis
P. Di Bari
The possibility to explain the CMB measurement of the baryon asymmetry with leptogenesis results in a stringent bound on the neutrino masses such that [(m_1)^2+(m_2)^2+(m_3)^2]^(1/…
The possible test of the calculations of nuclear matrix elements of the -decay
S. M. Bilenky, J. A. Grifols
The existing calculations of the nuclear matrix elements of the neutrinoless double -decay differ by about a factor three. This uncertainty prevents quantitative interpretation…