Study of the process e+e−→K0SK0Sπ+π−in the c.m. energy range 1.6–2.0 GeV with the CMD-3 detector

Akhmetshin, R.R.; Amirkhanov, A.N.; Anisenkov, A.V.; Aulchenko, V.M.; Banzarov, V.Sh.; Bashtovoy, N.S.; Berkaev, D.E.; Bondar, A.E.; Bragin, A.V.; Eidelman, S.I.; Epifanov, D.A.; Epshteyn, L.B.; Erofeev, A.L.; Fedotovich, G.V.; Gayazov, S.E.; Grancagnolo, F.J.; Grebenuk, A.A.; Gribanov, S.S.; Grigoriev, D.N.; Ignatov, F.V.; Ivanov, V.L.; Karpov, S.V.; Kasaev, A.S.; Kazanin, V.F.; Koop, I.A.; Korobov, A.A.; Kozyrev, A.N.; Kozyrev, E.A.; Krokovny, P.P.; Kuzmenko, A.E.; Kuzmin, A.S.; Logashenko, I.B.; Lukin, P.A.; Lysenko, A.P.; Mikhailov, K.Yu.; Okhapkin, V.S.; Perevedentsev, E.A.; Pestov, Yu.N.; Popov, A.S.; Razuvaev, G.P.; Ruban, A.A.; Ryskulov, N.M.; Ryzhenenkov, A.E.; Semenov, A.V.; Shatunov, Yu.M.; Shebalin, V.E.; Shemyakin, D.N.; Shwartz, B.A.; Shwartz, D.B.; Sibidanov, A.L.; Solodov, E.P.; Timoshenko, M.V.; Titov, V.M.; Talyshev, A.A.; Vorobiov, A.I.; Zemlyansky, I.M.; Yudin, Yu.V.

Study of the process e+e−→K0SK0Sπ+π−in the c.m. energy range 1.6–2.0 GeV with the CMD-3 detector

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Sibidanov_AL_PhysLettB_2020.pdf (1.29 MB)

Date

2020-05

Authors

Akhmetshin, R.R.

Amirkhanov, A.N.

Anisenkov, A.V.

Aulchenko, V.M.

Banzarov, V.Sh.

Bashtovoy, N.S.

Berkaev, D.E.

Bondar, A.E.

Bragin, A.V.

Eidelman, S.I.

Publisher

Physics Letters B

Abstract

The cross section of the process e+e−→K0SK0Sπ+π−has been measured using a data sample of 56.7 pb−1collected 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.

Citation

Akhmetshin, R.R., Amirkhanov, A.N., Anisenkov, A.V., Aulchenko, V.M., Banzarov, V.Sh., Bashtovoy, N.S.,… Yudin, Yu.V. (2020). Study of the process e+e−→K0 SK0 Sπ+π− in the c.m. energy range 1.6–2.0 GeV with the CMD-3 detector. Physics Letters B, 804, 135380. https://doi.org/10.1016/j.physletb.2020.135380

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https://doi.org/10.1016/j.physletb.2020.135380
http://hdl.handle.net/1828/11671

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Faculty Publications (BioMed Central & Faculty of Science)

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Study of the process e+e−→K0SK0Sπ+π−in the c.m. energy range 1.6–2.0 GeV with the CMD-3 detector

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