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Title: Precision measurements of the e + e K S 0 K ± π Born cross sections at center-of-mass energies between 3.8 and 4.6 GeV

Journal Article · · Physical Review D
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Using data samples collected by the BESIII detector operating at the BEPCII storage ring, we measure the e + e K S 0 K ± π Born cross sections at center-of-mass energies between 3.8 and 4.6 GeV, corresponding to a luminosity of about 5.0 fb–1. The results are compatible with the BABAR measurements, but with the precision significantly improved. A simple 1/sn dependence for the continuum process can describe the measured cross sections, but a better fit is obtained by an additional resonance near 4.2 GeV, which could be an excited charmonium or a charmoniumlike state.

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:
1506558
Alternate ID(s):
OSTI ID: 1609657
Journal Information:
Physical Review D, Vol. 99, Issue 7; 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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Figures / Tables (8)