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PublisherAMER PHYSICAL SOC
CitationAbazov, V. M., Abbott, B., Acharya, B. S., Adams, M., Adams, T., Agnew, J. P., ... & Atkins, S. (2019). Properties of Z c±(3900) produced in p p¯ collisions. Physical Review D, 100(1), 012005.
JournalPHYSICAL REVIEW D
RightsCopyright © The Author(s). Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license.
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AbstractWe study the production of the exotic charged charmoniumlike state Z(c)(+/-)(3900) in p (p) over bar collisions through the sequential process psi(4260) -> Z(c)(+/-)(3900)(pi)(-/+), Z(c)(+/-)(3900) -> J/psi pi(+/-). Using the subsample of candidates originating from semi-inclusive weak decays of b-flavored hadrons, we measure the invariant mass and natural width to be M = 3902.6(-5.0)(+5.2)(stat)(-1.4)(+3.3)(syst) MeV and Gamma = 32(-21)(+28)(stat)(-7)(+26)(syst) MeV, respectively. We search for prompt production of the Z(c)(+/-)(3900) through the same sequential process. No significant signal is observed, and we set an upper limit of 0.70 at the 95% credibility level on the ratio of prompt production to the production via b-hadron decays. The study is based on 10.4 fb(-1) of p (p) over bar collision data collected by the D0 experiment at the Fermilab Tevatron collider.
VersionFinal published version
SponsorsDepartment of Energy (United States of America); National Science Foundation (United States of America); Alternative Energies and Atomic Energy Commission (France); National Center for Scientific Research/National Institute of Nuclear and Particle Physics (France); Ministry of Education and Science of the Russian Federation (Russia); National Research Center "Kurchatov Institute" of the Russian Federation (Russia); Russian Foundation for Basic Research (Russia); National Council for the Development of Science and Technology (Brazil); Carlos Chagas Filho Foundation for the Support of Research in the State of Rio de Janeiro (Brazil); Department of Atomic Energy (India); 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 (United Kingdom); Royal Society (United Kingdom); Ministry of Education, Youth and Sports (Czech Republic); Bundesministerium fur Bildung und Forschung (Federal Ministry of Education and Research) (Germany); Deutsche Forschungsgemeinschaft (German Research Foundation) (Germany); Science Foundation Ireland (Ireland); Swedish Research Council (Sweden); China Academy of Sciences (China); National Natural Science Foundation of China (China); Ministry of Education and Science of Ukraine (Ukraine);[DE-AC02-07CH11359]
Except where otherwise noted, this item's license is described as Copyright © The Author(s). Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license.