A generator of forward neutrons for ultra-peripheral collisions: $\textbf{n$\mathbf{_O^O}$n}$

Abstract

The study of photon-induced reactions in collisions of heavy nuclei at RHIC and the LHC has become an important direction of the research program of these facilities in recent years. In particular, the production of vector mesons in ultra-peripheral collisions (UPC) has been intensively studied. Owing to the intense photon fluxes, the two nuclei participating in such processes undergo electromagnetic dissociation producing neutrons at beam rapidities. Here, we introduce the $\textbf{n$\mathbf{_O^O}$n}$ (pronounced noon) Monte Carlo program, which generates events containing such neutrons. $\textbf{n$\mathbf{_O^O}$n}$ is a ROOT based program that can be interfaced with existing generators of vector meson production in UPC or with theoretical calculations of such photonuclear processes. $\textbf{n$\mathbf{_O^O}$n}$ can also be easily integrated with the simulation programs of the experiments at RHIC and the LHC.

25 pages, 14 figures

References in corpus (2)

• The Physics of Ultraperipheral Collisions at the LHC
• Energy dependence of dissociative $J/\psi$ photoproduction as a signature of gluon saturation at the LHC

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• Coherent photoproduction of ${\rho }^0$ vector mesons in ultra-peripheral Pb-Pb collisions at $\sqrt{s_{\mathrm{NN}}}=5.02$ TeV
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• Lepton pair photoproduction in peripheral relativistic heavy-ion collisions
• Electromagnetic fields in ultra-peripheral relativistic heavy-ion collisions
• Discovery of higher order QED effect for the vacuum pair production
• Exciting Ions: a Systematic Treatment of Ultraperipheral Heavy Ion Collisions with Nuclear Breakup
• ALICE luminosity determination for Pb$-$Pb collisions at $\sqrt{s_{\mathrm{NN}}}=5.02$ TeV
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• Coherent and incoherent $J/\Psi$ photoproduction in $PbPb$ collisions at the LHC, HE -- LHC and FCC
• Proton emission in ultraperipheral Pb-Pb collisions at $\sqrt{{\text{s}}_{\text{NN}}}=5.02$ TeV
• Vector meson photoproduction in UPCs with FoCal
• Measurement of the impact-parameter dependent azimuthal anisotropy in coherent ${\rho }^0$ photoproduction in Pb$-$Pb collisions at $\sqrt{s_{\mathrm{NN}}}$ = 5.02 TeV
• Testing the double-logarithm asymptotic gluon density in ultraperipheral heavy ion collisions at the Large Hadron Collider
• Inclusive photoproduction of vector quarkonium in ultra-peripheral collisions at the LHC
• Impact of new results from the ultraperipheral collision on modeling the proton and neutron emission in photon-induced nuclear processes