Journal
PHYSICAL REVIEW LETTERS
Volume 114, Issue 5, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.114.051803
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Funding
- 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 (The Netherlands)
- Science and Technology Facilities Council
- Royal Society (United Kingdom)
- Ministry of Education, Youth and Sports (Czech Republic)
- Bundesministerium fur Bildung und Forschung (Federal Ministry of Education and Research)
- 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)
- Ministry of Education and Science of Ukraine (Ukraine)
- STFC [ST/K001388/1, ST/K001604/1, ST/M503575/1, ST/K50208X/1, ST/J501074/1, PP/D004284/1, ST/M000664/1] Funding Source: UKRI
- Science and Technology Facilities Council [ST/M001474/1, ST/K001604/1, ST/K001418/1, ST/M503575/1, ST/J501074/1, ST/M000664/1, PP/D004284/1, ST/K001388/1, ST/K50208X/1] Funding Source: researchfish
- Direct For Mathematical & Physical Scien
- Division Of Physics [1205960, 1306951, 1206092] Funding Source: National Science Foundation
- ICREA Funding Source: Custom
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We present a measurement of the forward-backward asymmetry in the production of B-+/- mesons, A(FB)(B-+/-) using B-+/- -> J/ Psi K-+/- decays in 10.4 fb(-1) of p (p) over bar collisions at root s = 1.96 TeV collected by the D0 experiment during Run II of the Tevatron collider. A nonzero asymmetry would indicate a preference for a particular flavor, i.e., b quark or (b) over bar antiquark, to be produced in the direction of the proton beam. We extract A(FB) (B-+/-) from a maximum likelihood fit to the difference between the numbers of forward-and backward-produced B-+/- mesons. We measure an asymmetry consistent with zero: A(FB) (B-+/-) = [-0.24 +/- 0.41 (stat) +/- 0.19 (syst)] %.
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