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- Universidade do Estado do Rio de JaneiroBR10 papers
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- University of MichiganUS7 papers
- Friedrich-Alexander-Universität Erlangen-NürnbergDE5 papers
- Istituto Superiore di SanitàIT5 papers
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11 papers · 1 filter
Radial stability of a family of anisotropic Hernquist models with and without a supermassive black hole
P. Buyle, E. Van Hese, S. De Rijcke +1
We present a method to investigate the radial stability of a spherical anisotropic system that hosts a central supermassive black hole (SBH). Such systems have never been tested be…
UV finiteness of 3D Yang-Mills theories with a regulating mass in the Landau gauge
D. Dudal, J. A. Gracey, R. F. Sobreiro +2
We prove that three-dimensional Yang-Mills theories in the Landau gauge supplemented with a infrared regulating, parity preserving mass term are ultraviolet finite to all orders. W…
Regge-plus-resonance treatment of the p(gamma,K^+)Sigma^0 and p(gamma,K^0)Sigma^+ reactions at forward kaon angles
T. Corthals, D. G. Ireland, T. Van Cauteren +1
An effective-Lagrangian framework for K Sigma photoproduction from the proton is presented. The proposed model is applicable at forward kaon angles and photon lab energies from thr…
Beam-helicity asymmetry in photon and pion electroproduction in the Delta(1232) resonance region at Q^2= 0.35 (GeV/c)^2
A1 Collaboration, I. K. Bensafa, P. Achenbach +40
The beam-helicity asymmetry has been measured simultaneously for the reactions (e p \to e p γ) and (e p \to e p π^0) in the resonance region at 0.35 (GeV/c). T…
Completely analytical families of anisotropic gamma-models
Pieter Buyle, Chris Hunter, Herwig Dejonghe
We present new analytical distribution functions for anisotropic spherical galaxies. They have the density profiles of the gamma-models, which allow a wide range of central density…
Dimension two gluon condensates in a variety of gauges and a gauge invariant Yang-Mills action with a mass
D. Dudal, M. A. L. Capri, J. A. Gracey +4
We give a short overview of our work concerning the dimension two operator A^2 in the Landau gauge and its generalizations to other gauges. We conclude by discussing recent work th…