Partial wave analysis of ψ(3686) → K+K–η
Journal Article
·
· Physical Review D
Using a sample of (448.1 ± 2.9) × 106 ψ(3686) events collected with the BESIII detector, we perform the first partial wave analysis of ψ(3686) → K+K–η. In addition to the well established states, Φ(1020), Φ(1680), and $$K$$ $$^{*}_{3}$$(1780), contributions from X(1750), ρ(2150), ρ3(2250), and $$K$$ $$^{*}_{2}$$(1980) are also observed. The X(1750) state is determined to be a 1¯ ¯ resonance. The simultaneous observation of the Φ(1680) and X(1750) indicates that the X(1750), with previous observations in photoproduction, is distinct from the Φ(1680). The masses, widths, branching fractions of ψ(3686) → K+K–η and the intermediate resonances are also measured.
- Research Organization:
- Carnegie Mellon Univ., Pittsburgh, PA (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), High Energy Physics (HEP)
- Contributing Organization:
- BESIII Collaboration
- Grant/Contract Number:
- SC0010118; FG02-05ER41374; SC0012069
- OSTI ID:
- 1602387
- Alternate ID(s):
- OSTI ID: 1755601
- Journal Information:
- Physical Review D, Vol. 101, Issue 3; ISSN 2470-0010
- Publisher:
- American Physical Society (APS)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
Cited by: 7 works
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