Hadronic Production of Doubly Charmed Baryons via Charm Exitation in Proton

Details Hadronic Production of Doubly Charmed Baryons via Charm Exitation in Proton Hadronic Production of Doubly Charmed Baryons via Charm Exitation in Proton

2001-04-18

arxiv.org/abs/hep-ph/0104173v1

Phys.Atom.Nucl. 65 (2002) 299-304; Yad.Fiz. 65 (2002) 324-329

Physics

High Energy Physics

High Energy Physics - Phenomenology

LaTeX2e, 13 pages plus 4 fig. using revtex4.sty, epsfig.sty. Talk was presented at International Seminar on Physics of Fundame

Scientific paper

10.1134/1.1451945

The production of baryons containing two charmed quarks Xi_cc in hadronic interactions at high energies and large transverse momenta is considered. It is supposed, that Xi_cc-baryon is formed during a non-perturbative fragmentation of the (cc)-diquark, which was produced in the hard process of $c$-quark scattering from the colliding protons: c+c -> (cc) +g. It is shown that such mechanism enhances the expected doubly charmed baryon production cross section on Tevatron and LHC colliders approximately 2 times in contrast to predictions, obtained in the model of gluon - gluon production of (cc)-diquarks in the leading order of perturbative QCD.

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