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7 papers · 1 filter
Total Cross Sections for Heavy Flavour Production at HERA
S. Frixione, M. L. Mangano, P. Nason +1
We compute total cross sections for charm and bottom photoproduction at HERA energies, and discuss the relevant theoretical uncertainties. In particular we discuss the problems ari…
Entropy of random coverings and 4D quantum gravity
C. Bartocci, U. Bruzzo, M. Carfora +1
We discuss the counting of minimal geodesic ball coverings of -dimensional riemannian manifolds of bounded geometry, fixed Euler characteristic and Reidemeister torsion in a giv…
Asymptotic tunneling conductance in Luttinger liquids
F. Guinea, G. Gomez-Santos, M. Sassetti +1
Conductance through weak constrictions in Luttinger liquids is shown to vanish with frequency as , where is a dimensionless parameter characteriz…
Diffeomorphism Cohomology in Beltrami Parametrization II : The 1-Forms
G. Bandelloni, S. Lazzarini
We study the 1-form diffeomorphism cohomologies within a local conformal Lagrangian Field Theory model built on a two dimensional Riemann surface with no boundary. We consider the…
Measurement of the polarization of Lambda0 AntiLambda0, Sigma+ and Xi- produced in a Sigma- beam of 330 GeV/c
M. I. Adamovich
The polarization of Lambda0, AntiLambda0, Sigma+ and Xi- inclusively produced in Sigma- induced interactions at 330 GeV has been measured in the experiment WA89 at CERN. This is th…
The fate of central black holes in merging galaxies
F. Governato, M. Colpi, L. Maraschi
This paper presents results of a series of numerical N-body experiments that describe the merging of galaxy pairs containing a massive black hole in their core. The aim is to study…