The γγ→J/ψJ/ψ reaction and the J/ψJ/ψ pair production in exclusive ultraperipheral ultrarelativistic heavy ion collisions
Eur. Phys. J. C, 73 2 (2013) 2335
Published online: 28 February 2013
DOI: 10.1140/epjc/s10052-013-2335-8