arXiv:1101.5881·v3·High Energy Physics — Phenomenology
Double J/psi-meson Production at LHC and 4c-tetraquark state
A. V. Berezhnoy🇷🇺 · A. K. Likhoded🇷🇺 · A. V. Luchinsky🇷🇺 · A. A. Novoselov🇷🇺
Abstract
The article is devoted to double J/psi-meson production at LHC. Theoretical predictions for pp -> 2J/psi+X cross section at sqrt{s}=7 TeV for different kinematical restrictions are presented. Special attention is payed to possible contribution of novel particles -- tetraquarks build from four c-quarks. According to presented in our article estimates, it is quietly possible to observe at least one of these state (tensor meson) experimentally.
Comments: Minor changes, figure 13 and tetraquark masses updated