4.7 Article

Exclusive production of Ds+Ds-,Ds*+Ds-, and Ds*+Ds*- via e+e- annihilation with initial-state radiation

期刊

PHYSICAL REVIEW D
卷 82, 期 5, 页码 -

出版社

AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.82.052004

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资金

  1. U.S. Department of Energy
  2. National Science Foundation
  3. Natural Sciences and Engineering Research Council (Canada)
  4. Commissariat a'l'Energie Atomique
  5. Institut National de Physique Nucleaire et de Physique des Particules (France)
  6. Bundesministerium fur Bildung und Forschung
  7. Deutsche Forschungsgemeinschaft (Germany)
  8. Istituto Nazionale di Fisica Nucleare (Italy)
  9. Foundation for Fundamental Research on Matter (The Netherlands
  10. Research Council of Norway
  11. Ministry of Education and Science of the Russian Federation
  12. Ministerio de Ciencia e Innovacion n (Spain)
  13. Science and Technology Facilities Council (United Kingdom)
  14. Marie-Curie IEF program (European Union)
  15. Binational Science Foundation (USA-Israel)
  16. A. P. Sloan Foundation (USA)
  17. STFC [ST/H001166/1, ST/H000992/1] Funding Source: UKRI
  18. Science and Technology Facilities Council [ST/H000992/1, PP/E000444/1, ST/H001166/1] Funding Source: researchfish

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We perform a study of exclusive production of Ds+Ds-,D-s*(+),D-s(-), and D-s*D-+(s)*- final states in initial-state radiation events from e(+)e(-) annihilations at a center-of-mass energy near 10.58 GeV, to search for charmonium 1(--) states. The data sample corresponds to an integrated luminosity of 525 fb(-1) and was recorded by the BABAR experiment at the PEP-II storage ring. Ds+Ds-,D-s*(+),D-s(-) and ,D-s*(+),D-s*(-) mass spectra show evidence of the known psi resonances. Limits are extracted for the branching ratios of the decays X(4260) -> D-s(()*()+) D-s(()*()-)

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