4.7 Article

Measurement of time dependent CP asymmetry parameters in B0 meson decays to ωKS0, η′K0, and π0KS0

Journal

PHYSICAL REVIEW D
Volume 79, Issue 5, Pages -

Publisher

AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.79.052003

Keywords

-

Funding

  1. BABAR
  2. U.S. Department of Energy and National Science Foundation
  3. Natural Sciences and Engineering Research Council (Canada)
  4. Commissariat a l'Energie Atomique and Institut National de Physique Nucleaire et de Physique des Particules (France)
  5. Bundesministerium fur Bildung und Forschung and Deutsche Forschungsgemeinschaft (Germany)
  6. Istituto Nazionale di Fisica Nucleare (Italy)
  7. Foundation for Fundamental Research on Matter (The Netherlands)
  8. Research Council of Norway
  9. Ministry of Education and Science of the Russian Federation
  10. Ministerio de Educacion y Ciencia (Spain)
  11. Science and Technology Facilities Council (United Kingdom)
  12. Marie Curie IEF program (European Union)
  13. A. P. Sloan Foundation
  14. STFC [ST/H000887/1, ST/H001166/1, ST/H000992/1, ST/F008015/1] Funding Source: UKRI
  15. Science and Technology Facilities Council [PP/E000444/1, ST/F008015/1, ST/H000887/1, ST/H001166/1, ST/H000992/1] Funding Source: researchfish

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We present measurements of the time-dependent CP-violation parameters S and C in the decays B-0 -> omega K-S(0), B-0 -> eta'K-0, reconstructed as eta'K-S(0) and eta'K-L(0), and B-0 -> pi K-0(S)0. The data sample corresponds to the full BABAR dataset of 467 x 10(6) B (B) over bar pairs produced at the PEP-II asymmetric-energy e(+)e(-) collider at the Stanford Linear Accelerator Center. The results are S-omega KS0 = 0.55(-0.29)(+0.26) +/- 0.02, C-omega KS0 = 0.52(-0.20)(+0.22) +/- 0.03, S-eta'K0 = 0.57 +/- 0.08 +/- 0.02, C-eta'K0 = 0.08 +/- 0.06 +/- 0.02, S-pi 0KS0 = 0.55 +/- 0.20 +/- 0.03, and C-pi 0KS0 = 0.13 +/- 0.13 +/- 0.03, where the first errors are statistical and the second systematic. These results are consistent with our previous measurements and the world average of sin2 beta measured in B-0 -> J / psi K-S(0).

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