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Title: Cross sections for the reactions e + e K + K π + π ( π 0 ) , K + K K + K ( π 0 ) , π + π π + π ( π 0 ) , p p ¯ π + π ( π 0 ) in the energy region between 3.773 and 4.600 GeV

Journal Article · · Physical Review D
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Using the data samples collected in the energy range from 3.773 to 4.600 GeV with the BESIII detector at the BEPCII collider, we measure the dressed cross sections as a function of center-of-mass energy for e+e- → K+K-π+π-0), K+K-K+K-0), π+π-π+π-0), and $$p\bar{p}π$$+π-0). The cross sections for e+e- →K+K-K+K-π0, $$p\bar{p}π$$+π-0) are the first measurements. Cross sections for the other five channels are much more precise than previous results in this energy region. We also search for charmonium and charmonium-like resonances, such as the Y(4230), decaying into the same final states. We find evidence of the ψ(4040) decaying to π+π-π+π-π0 with a statistical significance of 3.6σ. Upper limits are provided for other decays since no clear signals are observed.

Research Organization:
Indiana Univ., Bloomington, IN (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; SC-0012069; U1732263; U1832207; QYZDJ-SSW-SLH003; QYZDJ-SSW-SLH040; SC0012069
OSTI ID:
1837614
Alternate ID(s):
OSTI ID: 1979957
Journal Information:
Physical Review D, Journal Name: Physical Review D Vol. 104 Journal Issue: 11; ISSN 2470-0010
Publisher:
American Physical SocietyCopyright Statement
Country of Publication:
United States
Language:
English

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