J/ψ production via χc decays in 920 GeV pA interactions

Abt, I.; Adams, M.; Albrecht, H.; Amaral, V.; Amorim, A.; Aplin, S. J.; Aushev, V.; Bagaturia, Y.; Balagura, V.; Bargiotti, M.; Barsukova, O.; Bastos, J.; Bauer, C.; Bauer, T. S.; Belkov, A.; Belkov, Ar; Belotelov, I.; Bertin, A.; Bobchenko, B.; Boecker, M.; Bogatyrev, A.; Bohm, G.; Braeuer, 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.; Fleckenstein, H.; Fominykh, B.; Funcke, M.; Garrido, L.; Giacobbe, B.; Glaess, J.; Goloubkov, D.; Goloubkov, Y.; Golutvin, A.; Golutvin, I.; Gorbounov, I.; Gorisek, A.; Gouchtchine, O.; Goulart, D. C.; Gradl, S.; Gradl, W.; Guilitsky, Y.; Hansen, J. D.; Hernandez, J. M.; Hofmann, W.; Hott, T.; Hulsbergen, W.; Husemann, U.; Igonkina, O.; Ispiryan, M.; Jagla, T.; Jiang, C.; Kapitza, H.; Karabekyan, S.; Karpenko, N.; Keller, S.; Khasanov, F.; Kiryushin, Y.; Knöpfle, K. T.; Kolanoski, H.; Korpar, S.; Krauss, C.; Kreuzer, P.; Krizan, P.; Kruecker, D.; Kvaratskheliia, T.; Lanyov, A.; Lau, K.; Lewendel, B.; Lohse, T.; Maenner, R.; Masciocchi, S.; Massa, I.; Matchikhilian, L.; Medin, G.; Medinnis, M.; Mevius, M.; Michetti, A.; Mikhailov, Y.; Mizuk, R.; Muresan, R.; Negodaev, M.; Negri, I.; Noerenberg, M.; Nowak, S.; Nunez Pardo de Vera, M. T.; Ouchrif, M.; Ould-Saada, F.; Padilla, C.; Peralta, D.; Pernack, R.; Pestotnik, R.; Piccinini, M.; Pleier, M. A.; Poli, M.; Popov, V.; Pose, A.; Pose, D.; Pugatch, V.; Pylypchenko, Y.; Pyrlik, J.; Reeves, K.; Ressing, D.; Riechmann, K.; Riu, I.; Robmann, P.; Rybnikov, V.; Sanchez, F.; Sbrizzi, A.; Schmelling, M.; Schmidt, B.; Schreiner, A.; Schroeder, H.; Schwartz, A. J.; Schwarz, A. S.; Schwenninger, B.; Schwingenheuer, B.; Sciacca, F.; Semprini-Cesari, N.; Shuvalov, S.; Sozuer, L.; Solunin, S.; Somov, A.; Somov, S.; Spengler, J.; Spighi, R.; Spiridonov, A.; Stanovnik, A.; Staric, M.; Stegmann, C.; Symalla, M.; Tikhomirov, I.; Titov, M.; Tsakov, I.; Uwer, U.; Vagnoni, V.; van Eldik, C.; Vassiliev, Y.; Villa, M.; Vitale, A.; Vukotic, I.; Wahlberg, H.; Walenta, A. H.; Walter, M.; Wang, J. J.; Wegener, D.; Werthenbach, U.; Wolters, H.; Wurth, R.; Wurz, A.; Xella-Hansen, S.; Zaitsev, Y.; Zavertyaev, M.; Zech, G.; Zeuner, T.; Zhelezov, A.; Zheng, Z.; Zimmermann, R.; Zivko, T.; Zoccoli, A.; Arefiev, A.; Ariño, I.; Atiya, M.; Baghshetsyan, R.; Barsuk, S.; Bassetti, V.; Beck, M.; Belyaev, I.; Berkhan, K.; Borgmeier, C.; Broemmelsiek, D.; Buchler, M.; Capeáns, M.; Capponi, M.; Chamanina, J.; Chen, X.; Chistov, R.; Chmeissani, M.; Christensen, A.; Deckers, H.; Dehmelt, K.; Dolgoshein, B.; Dressel, M.; Dujmic, D.; Eckmann, R.; Eiges, V.; Erhan, S.; Fallot-Burghardt, W.; Fourletov, S.; Fuljahn, T.; Galli, D.; Garcia, A.; Gascon, D.; Gellrich, A.; Gerndt, K.; Glebe, T.; Hamacher, T.; Harr, R.; Hast, C.; Hausmann, S.; Hildebrandt, M.; Hölscher, A.; Höpfner, K.; Hohlmann, M.; Issever, S.; Itterbeck, H.; Ivarsson, J.; Jia, Y.; Kaoukher, A.; Karchin, P.; Ke, Z.; Kim, H.; Kisel, I.; Klefenz, F.; Kochetkov, V.; Lange, A.; Leffers, G.; Legrand, I.; Liu, Y.Q.; Loke, R.; Lomonosov, B.; Lüdemann, J.; Mankel, R.; Marconi, U.; Miquel, R.; Mohapatra, A.; Moshkin, A.; Moshous, B.; Nam, S.; Oest, T.; Oliveira, A.; Pavlenko, Yu.; Perschke, T.; Petersen, B.; Ramachandran, S.; Ratnikov, F.; Rieling, J.; Rietz, M.; Rosen, J.; Rothe, Ch.; Ruckstuhl, W.; Rusinov, V.; Ryzhikov, D.; Saadi-Lüdemann, F.; Samtleben, D.; Sang, M.; Saveliev, V.; Schaller, S.; Schlein, P.; Schmidt, S.; Schmidt-Parzefall, W.; Schultz, H:D.; Schwanke, U.; Schwitters, R.; Semenov, S.; Sexauer, E.; Seybold, L.; Siccama, I.; Skrk, D.; Soldatov, A.; Souvorov, V.; Spahn, M; Spratte, S.; StDenis, R.; Steinbeck, S.; Steinkamp, O.; Stieler, D.; Symalla, M.; Takach, S.; Tesch, N.; Thurn, H.; Trunk, U.; Truöl, P.; vanStaa, R.; Wagner, G.; Wagner, W.; Walter, T.; Wang, Y. M.; Wanke, R.; Weyers, P. J.; Yang, J.; Zhu, Z.; Zweizig, J.; I. Abt et al. for the HERA-B Collaboration

doi:10.1016/S0370-2693(03)00407-6http://dx.doi.org/10.1016/S0370-2693(03)00407-6

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Journal Article

J/ψ production via χc decays in 920 GeV pA interactions

MPS-Authors

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Bauer, C.
Division Prof. Dr. Werner Hofmann, MPI for Nuclear Physics, Max Planck Society;

/persons/resource/persons30328

Braeuer, M.
Division Prof. Dr. Werner Hofmann, MPI for Nuclear Physics, Max Planck Society;

/persons/resource/persons30438

Ehret, K.
Division Prof. Dr. Werner Hofmann, MPI for Nuclear Physics, Max Planck Society;

/persons/resource/persons30605

Hofmann, W.
Division Prof. Dr. Werner Hofmann, MPI for Nuclear Physics, Max Planck Society;

/persons/resource/persons30632

Jagla, T.
Division Prof. Dr. Werner Hofmann, MPI for Nuclear Physics, Max Planck Society;

/persons/resource/persons30690

Knöpfle, K. T.
Division Prof. Dr. Werner Hofmann, MPI for Nuclear Physics, Max Planck Society;

/persons/resource/persons30797

Masciocchi, S.
Division Prof. Dr. Werner Hofmann, MPI for Nuclear Physics, Max Planck Society;

/persons/resource/persons30899

Pleier, M. A.
Division Prof. Dr. Werner Hofmann, MPI for Nuclear Physics, Max Planck Society;

/persons/resource/persons30913

Pugatch, V.
Division Prof. Dr. Werner Hofmann, MPI for Nuclear Physics, Max Planck Society;

/persons/resource/persons30927

Reeves, K.
Division Prof. Dr. Werner Hofmann, MPI for Nuclear Physics, Max Planck Society;

/persons/resource/persons30972

Sanchez, F.
Division Prof. Dr. Werner Hofmann, MPI for Nuclear Physics, Max Planck Society;

/persons/resource/persons30992

Schmelling, M.
Division Prof. Dr. Werner Hofmann, MPI for Nuclear Physics, Max Planck Society;

/persons/resource/persons31027

Schwingenheuer, B.
Division Prof. Dr. Werner Hofmann, MPI for Nuclear Physics, Max Planck Society;

/persons/resource/persons31028

Sciacca, F.
Division Prof. Dr. Werner Hofmann, MPI for Nuclear Physics, Max Planck Society;

/persons/resource/persons31068

Spengler, J.
Division Prof. Dr. Werner Hofmann, MPI for Nuclear Physics, Max Planck Society;

/persons/resource/persons31132

van Eldik, C.
Division Prof. Dr. Werner Hofmann, MPI for Nuclear Physics, Max Planck Society;

/persons/resource/persons31206

Zavertyaev, M.
Division Prof. Dr. Werner Hofmann, MPI for Nuclear Physics, Max Planck Society;

/persons/resource/persons30457

Fallot-Burghardt, W.
Division Prof. Dr. Werner Hofmann, MPI for Nuclear Physics, Max Planck Society;

/persons/resource/persons30520

Glebe, T.
Division Prof. Dr. Werner Hofmann, MPI for Nuclear Physics, Max Planck Society;

/persons/resource/persons30687

Klefenz, F.
Prof. Bogdan Povh, Emeriti, MPI for Nuclear Physics, Max Planck Society;

/persons/resource/persons30756

Leffers, G.
Division Prof. Dr. Werner Hofmann, MPI for Nuclear Physics, Max Planck Society;

/persons/resource/persons30944

Rieling, J.
Prof. Bogdan Povh, Emeriti, MPI for Nuclear Physics, Max Planck Society;

/persons/resource/persons31036

Sexauer, E.
Division Prof. Dr. Werner Hofmann, MPI for Nuclear Physics, Max Planck Society;

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Seybold, L.
Division Prof. Dr. Werner Hofmann, MPI for Nuclear Physics, Max Planck Society;

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Spahn, M
Division Prof. Dr. Werner Hofmann, MPI for Nuclear Physics, Max Planck Society;

/persons/resource/persons31113

Trunk, U.
Division Prof. Dr. Werner Hofmann, MPI for Nuclear Physics, Max Planck Society;

/persons/resource/persons31152

Wagner, G.
Guest Group Archaeometry, MPI for Nuclear Physics, Max Planck Society;

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Wanke, R.
Division Prof. Dr. Werner Hofmann, MPI for Nuclear Physics, Max Planck Society;

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Citation

Abt, I., Adams, M., Albrecht, H., Amaral, V., Amorim, A., Aplin, S. J., et al. (2003). J/ψ production via χc decays in 920 GeV pA interactions. Physical Review Letters B, 561(1-2), 61-72. doi:10.1016/S0370-2693(03)00407-6http://dx.doi.org/10.1016/S0370-2693(03)00407-6.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0011-8ECF-D

Abstract

Using data collected by the HERA-B experiment, we have measured the fraction of J/ψ's produced via radiative χc decays in interactions of 920 GeV protons with carbon and titanium targets. We obtained Rχc= 0.32±0.06_stat±0.04_sys for the fraction of J/ψ from χc decays averaged over proton–carbon and proton–titanium collisions. This result is in agreement with previous measurements and is compared with theoretical predictions.