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4 papers · 1 filter
The Black Holes of a General Two-Dimensional Dilaton Gravity Theory
José P. S. Lemos, Paulo M. Sá
A general dilaton gravity theory in 1+1 spacetime dimensions with a cosmological constant and a new dimensionless parameter , contains as special cases the constant curvatur…
Non-Singular Constant Curvature Two-Dimensional Black Hole
José P. S. Lemos, Paulo M. Sá
We show that the two-dimensional theory of Teitelboim and Jackiw has a black hole solution, with two surprising properties: first, it has constant curvature, and second, is free of…
Model Independent Higgs Boson Mass Limits at LEP
A. Lopez-Fernandez, J. C. Romão, F. de Campos +1
We derive model-independent constraints on Higgs mass and couplings from associated signals for higher masses, accessible at LEP2. This work is motivated by the fact that, in many…
On the Cosmology of Massive Vector Fields with SO(3) Global Symmetry
M. C. Bento, O. Bertolami, P. V. Moniz +2
A relevant reference ([14]) has been added.