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

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+μ- and the e+e- decay modes. The...

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Veröffentlicht in:	The European physical journal. C, Particles and fields Particles and fields, 2007-01, Vol.49 (2), p.545-558
Hauptverfasser:	Abt, I., Adams, M., Agari, M., Albrecht, H., Aleksandrov, A., Amaral, V., Amorim, A., Aplin, S.J., Aushev, V., Bagaturia, Y., Balagura, V., Bargiotti, M., Barsukova, O., Bastos, J., Batista, J., Bauer, C., Bauer, T.S., Belkov, A., Belotelov, I., Bertin, A., Bobchenko, B., Böcker, M., Bogatyrev, A., Bohm, G., Bräuer, M., Bruinsma, M., Bruschi, M., Buchholz, P., Buran, T., Carvalho, J., Conde, P., Cruse, C., Dam, M., Danielsen, K.M., Danilov, M., De Castro, S., Deppe, H., Dong, X., Dreis, H.B., Egorytchev, V., Ehret, K., Eisele, F., Emeliyanov, D., Essenov, S., Fabbri, L., Faccioli, P., Feuerstack-Raible, M., Flammer, J., Fominykh, B., Funcke, M., Garrido, L., Gellrich, A., Giacobbe, B., Gläß, J., Goloubkov, D., Golubkov, Y., Golutvin, A., Golutvin, I., Gorbounov, I., Gorišek, A., Gouchtchine, O., Goulart, D.C., Gradl, S., Gradl, W., Grimaldi, F., Groth-Jensen, J., Guilitsky, Y., Hansen, J.D., Hernández, J.M., Hofmann, W., Hohlmann, M., Hott, T., Hulsbergen, W., Husemann, U., Igonkina, O., Ispiryan, M., Jagla, T., Jiang, C., Kapitza, H., Karabekyan, S., Karpenko, N., Keller, S., Kessler, J., Khasanov, F., Kiryushin, Y., Kisel, I., Klinkby, E., Knöpfle, K.T., Kolanoski, H., Korpar, S., Krauss, C., Kreuzer, P., Križan, P., Krücker, D., Kupper, S., Kvaratskheliia, T., Lanyov, A., Lau, K., Lewendel, B., Lohse, T.
Format:	Artikel
Sprache:	eng
Schlagworte:	Angular momentum Channels Decay Dependence Nuclei (nuclear physics) Protons Transverse momentum
Online-Zugang:	Volltext
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