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183 papers · 1 filter
Conformally flat sources for the Linet-Tian spacetime
Irene Brito, M. F. A. da Silva, Filipe C. Mena +1
We investigate the matching, across cylindrical surfaces, of static cylindrically symmetric conformally flat spacetimes with a cosmological constant , satisfying regularity cond…
On the zero modes of the Faddev-Popov operator in the Landau gauge
R. R. Landim, L. C. Q. Vilar, O. S. Ventura +1
Following Henyey procedure, we construct examples of zero modes of the Faddev-Popov operator in the Landau gauge in Euclidean space in D dimensions, for both SU(2) and SU(3 groups.…
Accretion disks around black holes in modified strong gravity
Daniela Pérez, Gustavo E. Romero, Santiago E. Perez Bergliaffa
Stellar-mass black holes offer what is perhaps the best scenario to test theories of gravity in the strong-field regime. In particular, f(R) theories, which have been widely discus…
The stability of the triangular libration points for the plane circular restricted three-body problem with light pressure
M. Alvarez-Ramírez, J. K. Formiga, R. V. de Moraes +2
We study the fourth-order stability of the triangular libration points in the absence of resonance for the three-body problem when the infinitesimal mass is affected not only by gr…
Measurement of the combined rapidity and dependence of dijet azimuthal decorrelations in collisions at TeV
D0 Collaboration
We present the first combined measurement of the rapidity and transverse momentum dependence of dijet azimuthal decorrelations, based on the recently proposed quantity . Th…
Measurement of the t t-bar production cross section in pp collisions at sqrt(s) = 7 TeV with lepton + jets final states
CMS Collaboration
A measurement of the t t-bar production cross section in pp collisions at sqrt(s) = 7 TeV is presented. The results are based on data corresponding to an integrated luminosity of 2…