Search for the flavor-changing neutral current decay D0→μ0+μ- with the HERA-B 
detector

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.; 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.; 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.; Nörenberg, 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.; Riu, I.; Robmann, P.; Rybnikov, V.; Sanchez, F.; Sbrizzi, A.; Schmelling, M.; Schmidt, B.; Schreiner, A.; Schröder, H.; Schwartz, A. J.; Schwarz, A. S.; Schwenninger, B.; Schwingenheuer, B.; Sciacca, F.; Semprini-Cesari, N.; Shuvalov, S.; Sözüer, 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.; 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.; Zaitsev, Y.; Zavertyaev, M.; Zeuner, T.; Zhelezov, A.; Zheng, Z.; Zimmermann, R.; Zivko, T.; Zoccoli, A.; Alexandrov, A.; Batista, J.; Buchler, M.; Grimaldi, F.; Harr, R.; Kessler, J.; Kupper, S.; Lomonosov, B.; Nam, S.; zur Nedden, M.; Prystupa, S.; Rick, O.; Shiu, J.; Silva, L.; Smirnov, K.; Subramania, H.; I. Abt et al. for the HERA-B Collaboration

doi:10.1016/j.physletb.2004.06.097http://dx.doi.org/10.1016/j.physletb.2004.06.097http://dx.doi.org/10.1016/j.physletb.2004.06.097http://dx.doi.org/10.1016/j.physletb.2004.06.097

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Search for the flavor-changing neutral current decay D⁰→μ⁰⁺μ^- with the HERA-B detector

MPS-Authors

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

/persons/resource/persons30332

Bräuer, 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;

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Citation

Abt, I., Adams, M., Albrecht, H., Amaral, V., Amorim, A., Aplin, S. J., et al. (2004). Search for the flavor-changing neutral current decay D⁰→μ⁰⁺μ^- with the HERA-B detector. Physics Letters B, 596(3-4), 173-183. doi:10.1016/j.physletb.2004.06.097http://dx.doi.org/10.1016/j.physletb.2004.06.097http://dx.doi.org/10.1016/j.physletb.2004.06.097http://dx.doi.org/10.1016/j.physletb.2004.06.097.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0011-8B5C-7

Abstract

We report on a search for the flavor-changing neutral current decay D0→μ+μ- using 50×106 events recorded with a dimuon trigger in interactions of 920 GeV protons with nuclei by the HERA-B experiment. We find no evidence for such decays and set a 90% confidence level upper limit on the branching fraction B(D0→μ+μ-)<2.0×10−6.