Physics Letters B (Jan 2023)
Study of the process e+e−→KS0K±π∓π+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,
- V.M. Aulchenko,
- N.S. Bashtovoy,
- D.E. Berkaev,
- A.E. Bondar,
- A.V. Bragin,
- S.I. Eidelman,
- D.A. Epifanov,
- L.B. Epshteyn,
- A.L. Erofeev,
- G.V. Fedotovich,
- A.O. Gorkovenko,
- F.J. Grancagnolo,
- A.A. Grebenuk,
- S.S. Gribanov,
- D.N. Grigoriev,
- F.V. Ignatov,
- V.L. Ivanov,
- S.V. Karpov,
- V.F. Kazanin,
- A.N. Kirpotin,
- I.A. Koop,
- A.A. Korobov,
- A.N. Kozyrev,
- E.A. Kozyrev,
- P.P. Krokovny,
- A.S. Kuzmin,
- I.B. Logashenko,
- P.A. Lukin,
- K.Yu. Mikhailov,
- I.V. Obraztsov,
- V.S. Okhapkin,
- A.V. Otboev,
- Yu.N. Pestov,
- A.S. Popov,
- G.P. Razuvaev,
- Yu.A. Rogovsky,
- A.A. Ruban,
- N.M. Ryskulov,
- A.E. Ryzhenenkov,
- A.V. Semenov,
- A.I. Senchenko,
- P.Yu. Shatunov,
- Yu.M. Shatunov,
- V.E. Shebalin,
- D.N. Shemyakin,
- B.A. Shwartz,
- D.B. Shwartz,
- A.L. Sibidanov,
- E.P. Solodov,
- V.M. Titov,
- A.A. Talyshev,
- S.S. Tolmachev,
- A.I. Vorobiov,
- I.M. Zemlyansky,
- D.S. Zhadan,
- A.S. Zubakin,
- Yu.V. Yudin
Affiliations
- R.R. Akhmetshin
- Budker Institute of Nuclear Physics, SB RAS, Novosibirsk, 630090, Russia; Novosibirsk State University, Novosibirsk, 630090, Russia
- A.N. Amirkhanov
- Budker Institute of Nuclear Physics, SB RAS, Novosibirsk, 630090, Russia; Novosibirsk State University, Novosibirsk, 630090, Russia
- A.V. Anisenkov
- Budker Institute of Nuclear Physics, SB RAS, Novosibirsk, 630090, Russia; Novosibirsk State University, Novosibirsk, 630090, Russia
- V.M. Aulchenko
- Budker Institute of Nuclear Physics, SB RAS, Novosibirsk, 630090, Russia; Novosibirsk State University, Novosibirsk, 630090, Russia
- N.S. Bashtovoy
- Budker Institute of Nuclear Physics, SB RAS, Novosibirsk, 630090, Russia
- D.E. Berkaev
- Budker Institute of Nuclear Physics, SB RAS, Novosibirsk, 630090, Russia; Novosibirsk State University, Novosibirsk, 630090, Russia
- A.E. Bondar
- Budker Institute of Nuclear Physics, SB RAS, Novosibirsk, 630090, Russia; Novosibirsk State University, Novosibirsk, 630090, Russia
- A.V. Bragin
- Budker Institute of Nuclear Physics, SB RAS, Novosibirsk, 630090, Russia
- S.I. Eidelman
- Budker Institute of Nuclear Physics, SB RAS, Novosibirsk, 630090, Russia; Novosibirsk State University, Novosibirsk, 630090, Russia; Lebedev Physical Institute RAS, Moscow, 119333, Russia
- D.A. Epifanov
- Budker Institute of Nuclear Physics, SB RAS, Novosibirsk, 630090, Russia; Novosibirsk State University, Novosibirsk, 630090, Russia
- L.B. Epshteyn
- Budker Institute of Nuclear Physics, SB RAS, Novosibirsk, 630090, Russia; Novosibirsk State University, Novosibirsk, 630090, Russia; Novosibirsk State Technical University, Novosibirsk, 630092, Russia
- A.L. Erofeev
- Budker Institute of Nuclear Physics, SB RAS, Novosibirsk, 630090, Russia; Novosibirsk State University, Novosibirsk, 630090, Russia
- G.V. Fedotovich
- Budker Institute of Nuclear Physics, SB RAS, Novosibirsk, 630090, Russia; Novosibirsk State University, Novosibirsk, 630090, Russia
- A.O. Gorkovenko
- Budker Institute of Nuclear Physics, SB RAS, Novosibirsk, 630090, Russia; Novosibirsk State Technical University, Novosibirsk, 630092, Russia
- F.J. Grancagnolo
- Instituto Nazionale di Fisica Nucleare, Sezione di Lecce, Lecce, Italy
- A.A. Grebenuk
- Budker Institute of Nuclear Physics, SB RAS, Novosibirsk, 630090, Russia; Novosibirsk State University, Novosibirsk, 630090, Russia
- S.S. Gribanov
- Budker Institute of Nuclear Physics, SB RAS, Novosibirsk, 630090, Russia; Novosibirsk State University, Novosibirsk, 630090, Russia
- D.N. Grigoriev
- Budker Institute of Nuclear Physics, SB RAS, Novosibirsk, 630090, Russia; Novosibirsk State University, Novosibirsk, 630090, Russia; Novosibirsk State Technical University, Novosibirsk, 630092, Russia
- F.V. Ignatov
- Budker Institute of Nuclear Physics, SB RAS, Novosibirsk, 630090, Russia; Novosibirsk State University, Novosibirsk, 630090, Russia
- V.L. Ivanov
- Budker Institute of Nuclear Physics, SB RAS, Novosibirsk, 630090, Russia; Novosibirsk State University, Novosibirsk, 630090, Russia
- S.V. Karpov
- Budker Institute of Nuclear Physics, SB RAS, Novosibirsk, 630090, Russia
- V.F. Kazanin
- Budker Institute of Nuclear Physics, SB RAS, Novosibirsk, 630090, Russia; Novosibirsk State University, Novosibirsk, 630090, Russia
- A.N. Kirpotin
- Budker Institute of Nuclear Physics, SB RAS, Novosibirsk, 630090, Russia
- I.A. Koop
- Budker Institute of Nuclear Physics, SB RAS, Novosibirsk, 630090, Russia; Novosibirsk State University, Novosibirsk, 630090, Russia
- A.A. Korobov
- Budker Institute of Nuclear Physics, SB RAS, Novosibirsk, 630090, Russia; Novosibirsk State University, Novosibirsk, 630090, Russia
- A.N. Kozyrev
- Budker Institute of Nuclear Physics, SB RAS, Novosibirsk, 630090, Russia; Novosibirsk State Technical University, Novosibirsk, 630092, Russia
- E.A. Kozyrev
- Budker Institute of Nuclear Physics, SB RAS, Novosibirsk, 630090, Russia; Novosibirsk State University, Novosibirsk, 630090, Russia
- P.P. Krokovny
- Budker Institute of Nuclear Physics, SB RAS, Novosibirsk, 630090, Russia; Novosibirsk State University, Novosibirsk, 630090, Russia
- A.S. Kuzmin
- Budker Institute of Nuclear Physics, SB RAS, Novosibirsk, 630090, Russia; Novosibirsk State University, Novosibirsk, 630090, Russia
- I.B. Logashenko
- Budker Institute of Nuclear Physics, SB RAS, Novosibirsk, 630090, Russia; Novosibirsk State University, Novosibirsk, 630090, Russia
- P.A. Lukin
- Budker Institute of Nuclear Physics, SB RAS, Novosibirsk, 630090, Russia; Novosibirsk State University, Novosibirsk, 630090, Russia
- K.Yu. Mikhailov
- Budker Institute of Nuclear Physics, SB RAS, Novosibirsk, 630090, Russia; Novosibirsk State University, Novosibirsk, 630090, Russia
- I.V. Obraztsov
- Budker Institute of Nuclear Physics, SB RAS, Novosibirsk, 630090, Russia; Novosibirsk State University, Novosibirsk, 630090, Russia
- V.S. Okhapkin
- Budker Institute of Nuclear Physics, SB RAS, Novosibirsk, 630090, Russia
- A.V. Otboev
- Budker Institute of Nuclear Physics, SB RAS, Novosibirsk, 630090, Russia
- Yu.N. Pestov
- Budker Institute of Nuclear Physics, SB RAS, Novosibirsk, 630090, Russia
- A.S. Popov
- Budker Institute of Nuclear Physics, SB RAS, Novosibirsk, 630090, Russia; Novosibirsk State University, Novosibirsk, 630090, Russia
- G.P. Razuvaev
- Budker Institute of Nuclear Physics, SB RAS, Novosibirsk, 630090, Russia; Novosibirsk State University, Novosibirsk, 630090, Russia
- Yu.A. Rogovsky
- Budker Institute of Nuclear Physics, SB RAS, Novosibirsk, 630090, Russia; Novosibirsk State University, Novosibirsk, 630090, Russia
- A.A. Ruban
- Budker Institute of Nuclear Physics, SB RAS, Novosibirsk, 630090, Russia
- N.M. Ryskulov
- Budker Institute of Nuclear Physics, SB RAS, Novosibirsk, 630090, Russia
- A.E. Ryzhenenkov
- Budker Institute of Nuclear Physics, SB RAS, Novosibirsk, 630090, Russia; Novosibirsk State University, Novosibirsk, 630090, Russia
- A.V. Semenov
- Budker Institute of Nuclear Physics, SB RAS, Novosibirsk, 630090, Russia; Novosibirsk State University, Novosibirsk, 630090, Russia
- A.I. Senchenko
- Budker Institute of Nuclear Physics, SB RAS, Novosibirsk, 630090, Russia
- P.Yu. Shatunov
- Budker Institute of Nuclear Physics, SB RAS, Novosibirsk, 630090, Russia
- Yu.M. Shatunov
- Budker Institute of Nuclear Physics, SB RAS, Novosibirsk, 630090, Russia
- V.E. Shebalin
- Budker Institute of Nuclear Physics, SB RAS, Novosibirsk, 630090, Russia; Novosibirsk State University, Novosibirsk, 630090, Russia
- D.N. Shemyakin
- Budker Institute of Nuclear Physics, SB RAS, Novosibirsk, 630090, Russia; Novosibirsk State University, Novosibirsk, 630090, Russia
- B.A. Shwartz
- Budker Institute of Nuclear Physics, SB RAS, Novosibirsk, 630090, Russia; Novosibirsk State University, Novosibirsk, 630090, Russia
- D.B. Shwartz
- Budker Institute of Nuclear Physics, SB RAS, Novosibirsk, 630090, Russia; Novosibirsk State University, Novosibirsk, 630090, Russia
- A.L. Sibidanov
- Budker Institute of Nuclear Physics, SB RAS, Novosibirsk, 630090, Russia; University of Victoria, Victoria, BC, V8W 3P6, Canada
- E.P. Solodov
- Budker Institute of Nuclear Physics, SB RAS, Novosibirsk, 630090, Russia; Novosibirsk State University, Novosibirsk, 630090, Russia; Corresponding author at: Budker Institute of Nuclear Physics, SB RAS, Novosibirsk, 630090, Russia.
- V.M. Titov
- Budker Institute of Nuclear Physics, SB RAS, Novosibirsk, 630090, Russia
- A.A. Talyshev
- Budker Institute of Nuclear Physics, SB RAS, Novosibirsk, 630090, Russia; Novosibirsk State University, Novosibirsk, 630090, Russia
- S.S. Tolmachev
- Budker Institute of Nuclear Physics, SB RAS, Novosibirsk, 630090, Russia
- A.I. Vorobiov
- Budker Institute of Nuclear Physics, SB RAS, Novosibirsk, 630090, Russia
- I.M. Zemlyansky
- Budker Institute of Nuclear Physics, SB RAS, Novosibirsk, 630090, Russia
- D.S. Zhadan
- Budker Institute of Nuclear Physics, SB RAS, Novosibirsk, 630090, Russia
- A.S. Zubakin
- Budker Institute of Nuclear Physics, SB RAS, Novosibirsk, 630090, Russia
- Yu.V. Yudin
- Budker Institute of Nuclear Physics, SB RAS, Novosibirsk, 630090, Russia; Novosibirsk State University, Novosibirsk, 630090, Russia
- Journal volume & issue
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Vol. 836
p. 137606
Abstract
A cross section of the process e+e−→KS0K±π∓π+π− has been measured for the first time using a data sample of 185.4 pb−1 collected with the CMD-3 detector at the VEPP-2000 e+e− collider. With the KS0→π+π− decay detection, 373±20 and 514±28 signal events have been selected with six and five reconstructed tracks, respectively, in the center-of-mass energy range 1.6–2.0 GeV. The total systematic uncertainty of the cross section is about 15%. A study of the production dynamics allows us to extract a contribution from the e+e−→f1(1285)π+π− intermediate state and to measure the corresponding cross section. The intermediate states with the f1(1420) and f1(1510) resonances have been observed.
