A Measurement of the psi ' to J/psi production ratio in 920 GeV proton-nucleus interactions

I. Abt, T. Bauer, J. Carvalho, J.R. Hernandez, K. Lau, A. Sbrizzi, H. Schroder, A.S. Schwarz, J. Wang

Research output: Contribution to JournalArticleAcademicpeer-review

Abstract

Ratios of the ψ′ over the J/ψ production cross sections in the dilepton channel for C, Ti and W targets have been measured in 920 GeV proton-nucleus interactions with the HERA-B detector at the HERA storage ring. The ψ′ and J/ψ states were reconstructed in both the μ
Original languageEnglish
Pages (from-to)545-558
JournalEuropean Physical Journal C. Particles and Fields
Volume49
Issue number2
DOIs
Publication statusPublished - 2007

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A Measurement of the psi ' to J/psi production ratio in 920 GeV proton-nucleus interactions

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