Measurement of the Υ production cross section in 920 GeV fixed-target 
proton–nucleus collisions

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; 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.; 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.; 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, 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.; 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.; 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.; Aleksandrov, A.; Batista, J.; Grimaldi, F.; Kessler, J.; Kupper, S.; zur Nedden, M.; Prystupa, S.; Rick, H.; Rostovtseva, I.; Silva, L.; Subramania, H. S.; Lomonosov, B.; Agari, Michaela; Belotelov, I.; Erhan, S.; Gellrich, A.; Hohlmann, M.; Kisel, I.; Klinkby, E.; Mankel, R.; Petersen, B.; Schwanke, U.; the HERA-B Collaboration

doi:http://dx.doi.org/10.1016/j.physletb.2006.04.042

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Measurement of the Υ production cross section in 920 GeV fixed-target proton–nucleus collisions

Abt, I., Adams, M., Albrecht, H., Amaral, V., Amorim, A., Aplin, S. J., et al. (2006). Measurement of the Υ production cross section in 920 GeV fixed-target proton–nucleus collisions. Physics Letters B, 638(1), 13-21. doi:http://dx.doi.org/10.1016/j.physletb.2006.04.042.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0011-7FBB-0 Version Permalink: https://hdl.handle.net/11858/00-001M-0000-0011-7FBC-E

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Abt, I.¹, Author
Adams, M.¹, Author
Albrecht, H.¹, Author
Amaral, V.¹, Author
Amorim, A.¹, Author
Aplin, S. J.¹, Author
Aushev, V.¹, Author
Bagaturia, Y.¹, Author
Balagura, V.¹, Author
Bargiotti, M.¹, Author
Barsukova, O.¹, Author
Bastos, J.¹, Author
Bauer, C.², Author
Bauer, T. S.¹, Author
Belkov, A.¹, Author
Belkov, Ar¹, Author
Bertin, A.¹, Author
Bobchenko, B.¹, Author
Boecker, M.¹, Author
Bogatyrev, A.¹, Author
Bohm, G.¹, AuthorBraeuer, M.², Author Bruinsma, M.¹, AuthorBruschi, M.¹, AuthorBuchholz, P.¹, AuthorBuran, T.¹, AuthorCarvalho, J.¹, AuthorConde, P.¹, AuthorCruse, C.¹, AuthorDam, M.¹, AuthorDanielsen, K. M.¹, AuthorDanilov, M.¹, AuthorDe Castro, S.¹, AuthorDeppe, H.¹, AuthorDong, X.¹, AuthorDreis, H. B.¹, AuthorEgorytchev, V.¹, AuthorEhret, K.², Author Eisele, F.¹, AuthorEmeliyanov, D.¹, AuthorEssenov, S.¹, AuthorFabbri, L.¹, AuthorFaccioli, P.¹, AuthorFeuerstack-Raible, M.¹, AuthorFlammer, J.¹, AuthorFominykh, B.¹, AuthorFuncke, M.¹, AuthorGarrido, L.¹, AuthorGiacobbe, B.¹, AuthorGlaess, J.¹, AuthorGoloubkov, D.¹, AuthorGoloubkov, Y.¹, AuthorGolutvin, A.¹, AuthorGolutvin, I.¹, AuthorGorbounov, I.¹, AuthorGorisek, A.¹, AuthorGouchtchine, O.¹, AuthorGoulart, D. C.¹, AuthorGradl, S.¹, AuthorGradl, W.¹, AuthorGuilitsky, Y.¹, AuthorHansen, J. D.¹, AuthorHernandez, J. M.¹, AuthorHofmann, W.², Author Hott, T.¹, AuthorHulsbergen, W.¹, AuthorHusemann, U.¹, AuthorIgonkina, O.¹, AuthorIspiryan, M.¹, AuthorJagla, T.², Author Jiang, C.¹, AuthorKapitza, H.¹, AuthorKarabekyan, S.¹, AuthorKarpenko, N.¹, AuthorKeller, S.¹, AuthorKhasanov, F.¹, AuthorKiryushin, Y.¹, AuthorKnöpfle, K. T.², Author Kolanoski, H.¹, AuthorKorpar, S.¹, AuthorKrauss, C.¹, AuthorKreuzer, P.¹, AuthorKrizan, P.¹, AuthorKruecker, D.¹, AuthorKvaratskheliia, T.¹, AuthorLanyov, A.¹, AuthorLau, K.¹, AuthorLewendel, B.¹, AuthorLohse, T.¹, AuthorMaenner, R.¹, AuthorMasciocchi, S.², Author Massa, I.¹, AuthorMatchikhilian, L.¹, AuthorMedin, G.¹, AuthorMedinnis, M.¹, AuthorMevius, M.¹, AuthorMichetti, A.¹, AuthorMikhailov, Y.¹, AuthorMizuk, R.¹, AuthorMuresan, R.¹, AuthorNegodaev, M.¹, AuthorNoerenberg, M.¹, AuthorNowak, S.¹, AuthorNunez Pardo de Vera, M. T.¹, AuthorOuchrif, M.¹, AuthorOuld-Saada, F.¹, AuthorPadilla, C.¹, AuthorPeralta, D.¹, AuthorPernack, R.¹, AuthorPestotnik, R.¹, AuthorPiccinini, M.¹, AuthorPleier, M. A.², Author Poli, M.¹, AuthorPopov, V.¹, AuthorPose, D.¹, AuthorPugatch, V.², Author Pylypchenko, Y.¹, AuthorPyrlik, J.¹, AuthorReeves, K.², Author Ressing, D.¹, AuthorRiu, I.¹, AuthorRobmann, P.¹, AuthorRybnikov, V.¹, AuthorSanchez, F.², Author Sbrizzi, A.¹, AuthorSchmelling, M.², Author Schmidt, B.¹, AuthorSchreiner, A.¹, AuthorSchroeder, H.¹, AuthorSchwartz, A. J.¹, AuthorSchwarz, A. S.¹, AuthorSchwenninger, B.¹, AuthorSchwingenheuer, B.², Author Sciacca, F.², Author Semprini-Cesari, N.¹, AuthorShuvalov, S.¹, AuthorSozuer, L.¹, AuthorSolunin, S.¹, AuthorSomov, A.¹, AuthorSomov, S.¹, AuthorSpengler, J.², Author Spighi, R.¹, AuthorSpiridonov, A.¹, AuthorStanovnik, A.¹, AuthorStaric, M.¹, AuthorStegmann, C.¹, AuthorSymalla, M.¹, AuthorTikhomirov, I.¹, AuthorTitov, M.¹, AuthorTsakov, I.¹, AuthorUwer, U.¹, Authorvan Eldik, C.², Author Vassiliev, Y.¹, AuthorVilla, M.¹, AuthorVitale, A.¹, AuthorVukotic, I.¹, AuthorWahlberg, H.¹, AuthorWalenta, A. H.¹, AuthorWalter, M.¹, AuthorWang, J. J.¹, AuthorWegener, D.¹, AuthorWerthenbach, U.¹, AuthorWolters, H.¹, AuthorWurth, R.¹, AuthorWurz, A.¹, AuthorZaitsev, Y.¹, AuthorZavertyaev, M.², Author Zeuner, T.¹, AuthorZhelezov, A.¹, AuthorZheng, Z.¹, AuthorZimmermann, R.¹, AuthorZivko, T.¹, AuthorZoccoli, A.¹, AuthorAleksandrov, A.¹, AuthorBatista, J.¹, AuthorGrimaldi, F.¹, AuthorKessler, J.¹, AuthorKupper, S.¹, Authorzur Nedden, M.¹, AuthorPrystupa, S.¹, AuthorRick, H.¹, AuthorRostovtseva, I.¹, AuthorSilva, L.¹, AuthorSubramania, H. S.¹, AuthorLomonosov, B.¹, AuthorAgari, Michaela², Author Belotelov, I.¹, AuthorErhan, S.¹, AuthorGellrich, A.¹, AuthorHohlmann, M.¹, AuthorKisel, I.¹, AuthorKlinkby, E.¹, AuthorMankel, R.¹, AuthorPetersen, B.¹, AuthorSchwanke, U.¹, Authorthe HERA-B Collaboration, Editor more..

Affiliations:
1NIKHEF, 1009 DB Amsterdam, The Netherlands7 Department ECM, Faculty of Physics, University of Barcelona, E-08028 Barcelona, Spain8 Institute for High Energy Physics, Beijing 100039, PR China Institute of Engineering Physics, Tsinghua University, Beijing 100084, PR China Institut für Physik, Humboldt-Universität zu Berlin, D-12489 Berlin, Germany910 Dipartimento di Fisica dell'Università di Bologna and INFN Sezione di Bologna, I-40126 Bologna, Italy Department of Physics, University of Cincinnati, Cincinnati, OH 45221, USA11 LIP Coimbra, P-3004-516 Coimbra, Portugal12 Niels Bohr Institutet, DK-2100 Copenhagen, Denmark13 Institut für Physik, Universität Dortmund, D-44221 Dortmund, Germany10 Joint Institute for Nuclear Research Dubna, 141980 Dubna, Moscow region, Russia DESY, D-22603 Hamburg, Germany Physikalisches Institut, Universität Heidelberg, D-69120 Heidelberg, Germany10 Department of Physics, University of Houston, Houston, TX 77204, USA11 Institute for Nuclear Research, Ukrainian Academy of Science, 03680 Kiev, Ukraine14 J. Stefan Institute, 1001 Ljubljana, Slovenia15 University of Ljubljana, 1001 Ljubljana, Slovenia University of California, Los Angeles, CA 90024, USA16 Lehrstuhl für Informatik V, Universität Mannheim, D-68131 Mannheim, Germany University of Maribor, 2000 Maribor, Slovenia Institute of Theoretical and Experimental Physics, 117259 Moscow, Russia17 Max-Planck-Institut für Physik, Werner-Heisenberg-Institut, D-80805 München, Germany10 Department of Physics, University of Oslo, N-0316 Oslo, Norway18 Fachbereich Physik, Universität Rostock, D-18051 Rostock, Germany10 Fachbereich Physik, Universität Siegen, D-57068 Siegen, Germany10 Institute for Nuclear Research, INRNE-BAS, Sofia, Bulgaria Universiteit Utrecht/NIKHEF, 3584 CB Utrecht, The Netherlands7 DESY, D-15738 Zeuthen, Germany Physik-Institut, Universität Zürich, CH-8057 Zürich, Switzerland19 Physics Department, CERN, Geneve 1211, Switzerland NIKHEF, 1009 DB Amsterdam, The Netherlands7 Department ECM, Faculty of Physics, University of Barcelona, E-08028 Barcelona, Spain8 Institute for High Energy Physics, Beijing 100039, PR China Institute of Engineering Physics, Tsinghua University, Beijing 100084, PR China Institut für Physik, Humboldt-Universität zu Berlin, D-12489 Berlin, Germany910 Dipartimento di Fisica dell'Università di Bologna and INFN Sezione di Bologna, I-40126 Bologna, Italy Department of Physics, University of Cincinnati, Cincinnati, OH 45221, USA11 LIP Coimbra, P-3004-516 Coimbra, Portugal12 Niels Bohr Institutet, DK-2100 Copenhagen, Denmark13 Institut für Physik, Universität Dortmund, D-44221 Dortmund, Germany10 Joint Institute for Nuclear Research Dubna, 141980 Dubna, Moscow region, Russia DESY, D-22603 Hamburg, Germany Physikalisches Institut, Universität Heidelberg, D-69120 Heidelberg, Germany10 Department of Physics, University of Houston, Houston, TX 77204, USA11 Institute for Nuclear Research, Ukrainian Academy of Science, 03680 Kiev, Ukraine14 J. Stefan Institute, 1001 Ljubljana, Slovenia15 University of Ljubljana, 1001 Ljubljana, Slovenia University of California, Los Angeles, CA 90024, USA16 Lehrstuhl für Informatik V, Universität Mannheim, D-68131 Mannheim, Germany University of Maribor, 2000 Maribor, Slovenia Institute of Theoretical and Experimental Physics, 117259 Moscow, Russia17 Max-Planck-Institut für Physik, Werner-Heisenberg-Institut, D-80805 München, Germany10 Department of Physics, University of Oslo, N-0316 Oslo, Norway18 Fachbereich Physik, Universität Rostock, D-18051 Rostock, Germany10 Fachbereich Physik, Universität Siegen, D-57068 Siegen, Germany10 Institute for Nuclear Research, INRNE-BAS, Sofia, Bulgaria Universiteit Utrecht/NIKHEF, 3584 CB Utrecht, The Netherlands7 DESY, D-15738 Zeuthen, Germany Physik-Institut, Universität Zürich, CH-8057 Zürich, Switzerland19 Physics Department, CERN, Geneve 1211, Switzerland, ou_persistent22
2Division Prof. Dr. Werner Hofmann, MPI for Nuclear Physics, Max Planck Society, ou_904550

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Free keywords: mesons; Cross section; Proton–nucleus collisions

Abstract: The cross section ratio RJ/ψ=Br(Υ→l+l−)dσ(Υ)/dy|y=0/σ(J/ψ) has been measured with the HERA-B spectrometer in fixed-target proton–nucleus collisions at 920 GeV proton beam energy corresponding to a proton–nucleon c.m.s. energy of √s=41.6 GeV. The combined results for the decay channels Υ→e+e− and Υ→μ+μ− yield a ratio RJ/ψ=(9.0±2.1)×10⁻⁶. The corresponding Υ production cross section per nucleon at mid-rapidity (y=0) has been determined to be Br(Υ→l+l−)dσ(Υ)/dy|y=0=4.5±1.1 pb/nucleon.

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Language(s): eng - English

Dates: Date issued: 2006-06-29

Publication Status: Issued

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Rev. Type: Peer

Identifiers: eDoc: 284691
DOI: http://dx.doi.org/10.1016/j.physletb.2006.04.042

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Title: Physics Letters B

Alternative Title : Phys.Lett.B

Source Genre: Journal

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Pages: - Volume / Issue: 638 (1) Sequence Number: - Start / End Page: 13 - 21 Identifier: -