Study of the process e+e−→KS0KS0π+π− in the c.m. energy range 1.6–2.0 GeV with the CMD-3 detector
R.R. Akhmetshin, A.N. Amirkhanov, A.V. Anisenkov and 54 more
Physics Letters B · 2020
doi:10.1016/j.physletb.2020.135380 (opens in a new tab)
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Abstract
The cross section of the process e+e−→KS0KS0π+π− has been measured using a data sample of 56.7 pb−1 collected with the CMD-3 detector at the VEPP-2000 e+e− collider. 596±27 and 210±18 signal events have been selected with six and five detected tracks, respectively, in the center-of-mass energy range 1.6–2.0 GeV. The total systematic uncertainty of the cross section is about 10%. The study of the production dynamics confirms the dominance of the K⁎(892)+K⁎(892)− intermediate state.
Abstract licence: CC BY
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