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Title: First measurement of e + e p K S 0 n ¯ K + c . c . above open charm threshold

Journal Article · · Physical Review. D.
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The process e+e- → pK$$\mathbb 0\atop{S}$$$$ \overline{n}\ $$K- + c.c. and its intermediate processes are studied for the first time, using data samples collected with the BESIII detector at BEPCII at center-of-mass energies of 3.773, 4.008, 4.226, 4.258, 4.358, 4.416, and 4.600 GeV, with a total integrated luminosity of 7.4 fb-1. The Born cross section of e+e- → pK$$\mathbb 0\atop{S}$$$$ \overline{n}\ $$K- + c.c. is measured at each center-of-mass energy, but no significant resonant structure in the measured cross-section line shape between 3.773 and 4.600 GeV is observed. No evident structure is detected in the pK-, nK$$\mathbb 0\atop{S}$$, pK$$\mathbb 0\atop{S}$$, nK+, p$$ \overline{n}\ $$, or K$$\mathbb 0\atop{S}$$K- invariant mass distributions except for Λ(1520). The Born cross sections of e+e- → Λ(1520)$$ \overline{n}\ $$K$$\mathbb 0\atop{S}$$ + c.c. and e+e- → Λ(1520)$$ \overline{p}\ $$K+ + c.c. are measured, and the 90% confidence level upper limits on the Born cross sections of e+e- → Λ(1520)$$ \overline{Λ}\ $$(1520) are determined at the seven center-of-mass energies.

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:
1467517
Alternate ID(s):
OSTI ID: 1501521; OSTI ID: 1504139
Journal Information:
Physical Review. D., Journal Name: Physical Review. D. Vol. 98 Journal Issue: 3; ISSN 2470-0010
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 5 works
Citation information provided by
Web of Science

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