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Yin, J. H. [Author]; Yuan, C. Z. [Author]; Badhrees, I. [Author]; Lubej, M. [Author]; Luo, T. [Author]; Masuda, M. [Author]; Matsuda, T. [Author]; Matvienko, D. [Author]; Merola, M. [Author]; Miyata, H. [Author]; Mizuk, R. [Author]; Mohanty, G. B. [Author]; Moon, H. K. [Author]; Bahinipati, S. [Author]; Mori, T. [Author]; Mussa, R. [Author]; Nakano, E. [Author]; Nakao, M. [Author]; Nanut, T. [Author]; Nath, K. J. [Author]; Natkaniec, Z. [Author]; Nayak, M. [Author]; Niiyama, M. [Author]; Nisar, N. K. [Author]; [...]

Observation of e + e − → π + π − π 0 χ b 1 , 2 ( 1 P ) and search for e + e − → ϕ χ b 1 , 2 ( 1 P ) at s = 10.96 — 11.05 GeV

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  • Media type: E-Article
  • Title: Observation of e + e − → π + π − π 0 χ b 1 , 2 ( 1 P ) and search for e + e − → ϕ χ b 1 , 2 ( 1 P ) at s = 10.96 — 11.05 GeV
  • Contributor: Yin, J. H. [Author]; Yuan, C. Z. [Author]; Badhrees, I. [Author]; Lubej, M. [Author]; Luo, T. [Author]; Masuda, M. [Author]; Matsuda, T. [Author]; Matvienko, D. [Author]; Merola, M. [Author]; Miyata, H. [Author]; Mizuk, R. [Author]; Mohanty, G. B. [Author]; Moon, H. K. [Author]; Bahinipati, S. [Author]; Mori, T. [Author]; Mussa, R. [Author]; Nakano, E. [Author]; Nakao, M. [Author]; Nanut, T. [Author]; Nath, K. J. [Author]; Natkaniec, Z. [Author]; Nayak, M. [Author]; Niiyama, M. [Author]; Nisar, N. K. [Author]; [...]
  • imprint: Inst.812068, 2018
  • Published in: Physical review / D D 98(9), 091102 (2018). doi:10.1103/PhysRevD.98.091102
  • Language: English
  • DOI: https://doi.org/10.1103/PhysRevD.98.091102
  • ISSN: 1550-7998; 1550-2368; 2470-0029; 0556-2821; 1089-4918; 1538-4500; 2470-0010
  • Origination:
  • Footnote: Diese Datenquelle enthält auch Bestandsnachweise, die nicht zu einem Volltext führen.
  • Description: We report searches for the processes e+e−→π+π−π0χbJ and e+e−→ϕχbJ (J=1, 2) based on data samples collected by the Belle experiment at the KEKB collider. We report the first observation of the process e+e−→(π+π−π0)non−ωχb1 and first evidence for e+e−→ωχbJ in the vicinity of the Υ(11020) resonance, with center-of-mass energies from 10.96 to 11.05 GeV. The significances for (π+π−π0)non−ωχb1 and ωχbJ are greater than 5.3σ and 4.0σ, respectively. We also investigate the energy dependence of the e+e−→π+π−π0χbJ cross section, but we cannot determine whether the contributions are from the Υ(10860) and Υ(11020) resonances or nonresonant continuum processes. The signals for e+e−→ϕχbJ are not significant, and the upper limits of the Born cross sections at the 90% confidence level are 0.7 and 1.0 pb for e+e−→ϕχb1 and ϕχb2, respectively, for center-of-mass energies from 10.96 to 11.05 GeV.
  • Access State: Open Access