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Title: Amplitude analysis of the K S K S system produced in radiative J / ψ decays

Journal Article · · Physical Review. D.
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An amplitude analysis of the KSKS system produced in radiative J/ψ decays is performed using the (1310.6 ± 7.0) × 106 J/ψ decays collected by the BESIII detector. Two approaches are presented. A mass-dependent analysis is performed by parametrizing the KSKS invariant mass spectrum as a sum of Breit-Wigner line shapes. Additionally, a mass-independent analysis is performed to extract a piecewise function that describes the dynamics of the KSKS system while making minimal assumptions about the properties and number of poles in the amplitude. The dominant amplitudes in the mass-dependent analysis include the f0(1710), f0(2200), and f'2(1525). The mass-independent results, which are made available as input for further studies, are consistent with those of the mass-dependent analysis and are useful for a systematic study of hadronic interactions. The branching fraction of radiative Jψ decays to KSKS is measured to be (8.1 ± 0.4) ×10–4, where the uncertainty is systematic and the statistical uncertainty is negligible.

Research Organization:
Indiana Univ., Bloomington, IN (United States); Carnegie Mellon Univ., Pittsburgh, PA (United States); Univ. of Hawaii, Honolulu, HI (United States); Univ. of Minnesota, Minneapolis, MN (United States)
Sponsoring Organization:
USDOE Office of Science (SC)
Contributing Organization:
BESIII Collaboration
Grant/Contract Number:
FG02-05ER41374; SC0010118; SC0010504; SC0012069
OSTI ID:
1477547
Alternate ID(s):
OSTI ID: 1609650
Journal Information:
Physical Review. D., Journal Name: Physical Review. D. Vol. 98 Journal Issue: 7; ISSN 2470-0010
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 22 works
Citation information provided by
Web of Science

References (28)

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