327 citations
- Universidad de SevillaES77 papers
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5 papers · 1 filter
Are the low-momentum gluon correlations semiclassically determined?
Ph. Boucaud, F. De Soto, A. Le Yaouanc +1
We argue that low-energy gluodynamics can be explained in terms of semi-classical Yang-Mills solutions by demonstrating that lattice gluon correlation functions fit to instanton li…
Phase Diagram of the Proton-Neutron Interacting Boson Model
J. M. Arias, J. E. Garcia-Ramos, J. Dukelsky
We study the phase diagram of the proton--neutron interacting boson model (IBM--2) with special emphasis on the phase transitions leading to triaxial phases. The existence of a new…
A theoretical description of energy spectra and two-neutron separation energies for neutron-rich zirconium isotopes
J. E. Garcia-Ramos, K. Heyde, R. Fossion +2
Very recently the atomic masses of neutron-rich Zr isotopes, from Zr to Zr, have been measured with high precision. Using a schematic Interacting Boson Model (IBM) H…
MSUGRA Dark Matter and the b Quark Mass
Mario E. Gomez, Tarek Ibrahim, Pran Nath +1
We extend the commonly used mSUGRA framework to allow complex soft terms. We show how these phases can induce large changes of the SUSY threshold corrections to the b quark mass an…
Sensitivity of Supersymmetric Dark Matter to the b Quark Mass
Mario E Gomez, Tarek Ibrahim, Pran Nath +1
An analysis of the sensitivity of supersymmetric dark matter to variations in the b quark mass is given. Specifically we study the effects on the neutralino relic abundance from su…