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86 papers · 1 filter
Search for anomalous top quark couplings with the D0 detector
D0 Collaboration, V. Abazov
Anomalous Wtb couplings modify the angular correlations of the top quark decay products and change the single top quark production cross section. We present limits on anomalous top…
A purely algebraic construction of a gauge and renormalization group invariant scalar glueball operator
D. Dudal, S. P. Sorella, N. Vandersickel +1
This paper presents a complete algebraic proof of the renormalizability of the gauge invariant operator to all orders of perturbation theory in pure Yang-Mills…
Stable Gravastars of Anisotropic Dark Energy
R. Chan, M. F. A. da Silva, P. Rocha +1
Dynamical models of prototype gravastars made of phantom energy are constructed, in which an infinitely thin spherical shell of a perfect fluid with the equation of state $p = (1-γ…
Charm and longitudinal structure functions with the Kharzeev-Levin-Nardi model
F. Carvalho, F. O. Durães, F. S. Navarra +1
We use the Kharzeev-Levin-Nardi model of the low gluon distributions to fit recent HERA data on charm and longitudinal structure functions. Having checked that this model gives…
Charged Bilepton Pair Production at LHC Including Exotic Quark Contribution
E. Ramirez Barreto, Y. A. Coutinho, J. Sá Borges
The production of pair in hadron colliders was calculated up to loop corrections by some authors in the Electroweak standard model (SM) framework. This production was als…
Study of the Gribov region in Euclidean Yang-Mills theories in the maximal Abelian gauge
M. A. L. Capri, A. J. Gomez, V. E. R. Lemes +2
The properties of the Gribov region in SU(2) Euclidean Yang-Mills theories in the maximal Abelian gauge are investigated. This region turns out to be bounded in all off-diagonal di…