A Measurement of the ψ′ to J/ψ production ratio in 920 GeV proton-nucleus interactions
, , , , , , , , ,Eur. Phys. J. C, 49 2 (2007) 545-558
Published online: 18 November 2006
DOI: 10.1140/epjc/s10052-006-0139-9