Estimate of the single diffractive heavy quark production in heavy ion collisions at the CERN LHC
Fecha
2010Materia
Abstract
The single diffractive cross section for heavy quarks production is calculated at next-to-leading order (for nucleus-nucleus collisions. Such processes are expected to occur at the LHC, where the nuclei involved are lead at ffiffiffis p ¼ 5:5 TeV and calcium at ffiffiffis p ¼ 6:3 TeV. We start using the hard diffractive factorization formalism, taking into account a recent experimental parametrization for the Pomeron structure function (DPDF). Absorptive corrections are accounted for by the mul ...
The single diffractive cross section for heavy quarks production is calculated at next-to-leading order (for nucleus-nucleus collisions. Such processes are expected to occur at the LHC, where the nuclei involved are lead at ffiffiffis p ¼ 5:5 TeV and calcium at ffiffiffis p ¼ 6:3 TeV. We start using the hard diffractive factorization formalism, taking into account a recent experimental parametrization for the Pomeron structure function (DPDF). Absorptive corrections are accounted for by the multiple Pomeron contributions considering a gap survival probability, where its theoretical uncertainty for nuclear collisions is discussed. We estimate the diffractive ratios for the single diffraction process in nuclear coherent/ incoherent collisions at the LHC. ...
En
Physical review. D, Particles, fields, gravitation, and cosmology. College Park. Vol. 81, no. 5 (Mar. 2010), 054034, 8 p.
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