Search for hadronic transition χ<i><sub>cJ</sub></i> → η<i><sub>c</sub></i>π<SUP>+</SUP>π<SUP>-</SUP> and observation of χ<i><sub>cJ</sub></i> → <i>K</i>(<i>K</i>)over-barπππ

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Ablikim M., Achasov M. N., Ambrose D. J., An F. F., An Q., An Z. H., ...Daha Fazla

PHYSICAL REVIEW D, cilt.87, sa.1, 2013 (SCI-Expanded) identifier identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 87 Sayı: 1
  • Basım Tarihi: 2013
  • Doi Numarası: 10.1103/physrevd.87.012002
  • Dergi Adı: PHYSICAL REVIEW D
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Bursa Uludağ Üniversitesi Adresli: Hayır

Özet

Hadronic transitions of chi(cJ) -> eta(c)pi(+)pi(-) (J = 0, 1, 2) are searched for using a sample of 1.06 x 10(8) psi(3686) events collected with the BESIII detector at the BEPCII storage ring. The eta(c) is reconstructed with (KSK +/-)-K-0 pi(-/+) and K+K-pi(0) final states. No signals are observed in any of the three chi(cJ) states in either eta(c) decay mode. At the 90% confidence level, the upper limits are determined to be B(chi(c0) -> eta(c)pi(+)pi(-)) < 0.07%, B(chi(c1) -> eta(c)pi(+)pi(-)) < 0.32%, and B(chi(c2) -> eta(c)pi(+)pi(-)) < 0.54%. The upper limit of B(chi(c1) -> eta(c)pi(+)pi(-)) is lower than the existing theoretical prediction by almost an order of magnitude. The branching fractions of chi(cJ) -> (KSK +/-)-K-0 pi(-/+)pi(+)pi(-), K+K-pi(+)pi(-)pi(0), omega K+K-, and phi pi(+)pi(-)pi(0) (J = 0, 1, 2) are measured for the first time. DOI: 10.1103/PhysRevD.87.012002