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Title: Partial wave analysis of ψ(3686) → K+Kη

Journal Article · · Physical Review D
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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+Kη. 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+Kη 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
Citation Metrics:
Cited by: 7 works
Citation information provided by
Web of Science

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