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8 papers · 2 filters
Doubly heavy Baryons from QCD Spectral Sum Rules
R. M. Albuquerque, S. Narison
We consider the ratios of doubly heavy baryon masses using Double Ratios of Sum Rules (DRSR), which are more accurate than the usual simple ratios used for getting hadron masses. O…
Investigating different structures for the
Stephan Narison, Fernando S. Navarra, Marina Nielsen
Using the QCD spectral sum rule approach we investigate different currents with , which could be associated with the meson. Our results indicate that, with…
Measuring Unification
Claire Adam, Jean-Loic Kneur, Remi Lafaye +3
If supersymmetry is observed at the LHC its model parameters can be measured at the electroweak scale. We discuss the expected precision on the parameter determination, including a…
On the nature of the X(3872) from QCD
S. Narison, F. S. Navarra, M. Nielsen
We have studied some possible four-quark and molecule contents of the X(3872) using double ratios of sum rules, which are more accurate than the usual simple ratios often used in t…
Amplitudes for and their high energy SUSY constraints
G. J. Gounaris, J. Layssac, F. M. Renard
We study how the property of asymptotic helicity conservation (HCns), expected for any 2-to-2 process in the minimal supersymmetric model (MSSM), is realized in the processes $gg \…
Semi-inclusive bottom-Higgs production at LHC: The complete one-loop electroweak effect in the MSSM
M. Beccaria, G. O. Dovier, G. Macorini +4
We present the first complete calculation of the one-loop electroweak effect in the process of semi-inclusive bottom-Higgs production at LHC in the MSSM. The size of the electrowea…