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A Measurement of the W/Z Cross Section Ratio as a Function of Hadronic Activity with the ATLAS Detector
ATLAS electroweak bosons lepton+jets pqcd w/z ratio
2014/11/20
Hadronic collisions at the LHC at CERN probe particle interactions at the highest energy scale of any experiment to date. We present a research program measuring Rjet = &sigmaWBR(W&rarr&mu&nu) / (&sig...
Representations of the Dirac wave function in a curved spacetime
the Dirac wave function curved spacetime
2010/12/27
The Dirac wave function in a curved spacetime is usually defined as a quadruplet of scalar fields. It can alternatively be defined as a four-vector field. We describe these two representations in a c...
An upper bound on the total inelastic cross-section as a function of the total cross-section
the total inelastic cross-section function the total cross-section
2010/12/24
Recently Andr\'e Martin has proved a rigorous upper bound on the inelastic cross-section $\sigma_{inel}$ at high energy which is one-fourth of the known Froissart-Martin-Lukaszuk upper bound on $\sig...
Parafermionic polynomials, Selberg integrals and three-point correlation function in parafermionic Liouville field theory
Parafermionic polynomials Selberg integrals
2010/12/23
In this paper we consider parafermionic Liouville field theory. We study integral representations of three-point correlation functions and develop a method allowing us to compute them exactly. In par...
Large-N Wilsonian beta function in SU(N) Yang-Mills theory by localization on the fixed points of a semigroup contracting the functional measure
Large-N Wilsonian beta function SU(N) Yang-Mills theory localization semigroup contracting
2010/12/23
In a certain (non-commutative) version of large-N SU(N) Yang-Mills theory there are special Wilson loops, called twistor Wilson loops for geometrical reasons, whose v.e.v. is independent on the param...
Green's Function expansion of scalar and vector fields in the presence of a medium
Green's Function expansion scalar and vector fields presence of a medium
2010/11/5
Based on a canonical approach and functional-integration techniques, a series expansion of Green's function of a scalar field, in the presence of a medium, is obtained. A series expansion for Lifshitz...