Journal
PHYSICAL REVIEW D
Volume 106, Issue 11, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.106.114006
Keywords
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Funding
- Ministry of Science and Higher Education of the Russian Federation
- [FSSS-2020-0014]
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In this article, we study single and pair J/ψ hadroproduction in the improved color evaporation model using the parton Reggeization approach. We compare the contributions from single and double parton scattering mechanisms in pair J/ψ production.
In the article, we study single and pair J/ig hadroproduction in the improved color evaporation model via the parton Reggeization approach. The last one is based on the kT factorization of hard processes in multiRegge kinematics, the Kimber-Martin-Ryskin-Watt model for unintegrated parton distribution functions, and the effective field theory of Reggezied gluons and quarks, suggested by L.N. Lipatov. We compare contributions from the single and double parton scattering mechanisms in the pair J/ig production. The numerical calculations are realized using the Monte-Carlo event generator KaTie.
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