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Evidence for Simultaneous Production of J/ψ and ϒ Mesons Public Deposited

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  • We report evidence for the simultaneous production of J/ψ and Υ mesons in 8.1  fb⁻¹ of data collected at s√=1.96  TeV by the D0 experiment at the Fermilab pp¯ Tevatron Collider. Events with these characteristics are expected to be produced predominantly by gluon-gluon interactions. In this analysis, we extract the effective cross section characterizing the initial parton spatial distribution, σ[subscript]eff=2.2±0.7(stat)±0.9(syst)  mb.
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  •  Abazov, V. M., Bassler, U., Bernardi, G., Besançon, M., Brown, D., Chapon, E., ... & Zivkovic, L. (2016). Evidence for Simultaneous Production of J/ψ and ϒ Mesons. Physical Review Letters, 116(8), 082002. doi:10.1103/PhysRevLett.116.082002
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  • 116
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  • 8
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  • We thank the staffs at Fermilab and collaborating institutions, and acknowledge support from the Department of Energy and National Science Foundation (United States of America); Alternative Energies and Atomic Energy Commission and National Center for Scientific Research/National Institute of Nuclear and Particle Physics (France); Ministry of Education and Science of the Russian Federation, National Research Center "Kurchatov Institute" of the Russian Federation, and Russian Foundation for Basic Research (Russia); National Council for the Development of Science and Technology and Carlos Chagas Filho Foundation for the Support of Research in the State of Rio de Janeiro (Brazil); Department of Atomic Energy and Department of Science and Technology (India); Administrative Department of Science, Technology and Innovation (Colombia); National Council of Science and Technology (Mexico); National Research Foundation of Korea (Korea); Foundation for Fundamental Research on Matter (Netherlands); Science and Technology Facilities Council and The Royal Society (United Kingdom); Ministry of Education, Youth and Sports (Czech Republic); Bundesministerium fur Bildung und Forschung (Federal Ministry of Education and Research) and Deutsche Forschungsgemeinschaft (German Research Foundation) (Germany); Science Foundation Ireland (Ireland); Swedish Research Council (Sweden); China Academy of Sciences and National Natural Science Foundation of China (China); and Ministry of Education and Science of Ukraine (Ukraine).
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  • description.provenance : Made available in DSpace on 2016-04-13T15:48:38Z (GMT). No. of bitstreams: 2 krauserp1035934311.zip: 219206 bytes, checksum: 1a08283fa68d46f2c650b1795aa88ab9 (MD5) AbazovEvidenceSimultaneousProduction.pdf: 305088 bytes, checksum: 72e0202a8e6d262eb66bc7cddd8df5db (MD5) Previous issue date: 2016-02-25
  • description.provenance : Approved for entry into archive by Patricia Black(patricia.black@oregonstate.edu) on 2016-04-13T15:48:37Z (GMT) No. of bitstreams: 2 krauserp1035934311.zip: 219206 bytes, checksum: 1a08283fa68d46f2c650b1795aa88ab9 (MD5) AbazovEvidenceSimultaneousProduction.pdf: 305088 bytes, checksum: 72e0202a8e6d262eb66bc7cddd8df5db (MD5)
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