Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование
Measurement of the e+e− → ηπ + π − cross section with the CMD-3 detector at the VEPP-2000 collider. / CMD-3 Collaboration.
в: Journal of High Energy Physics, Том 2020, № 1, 112, 01.01.2020.Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование
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TY - JOUR
T1 - Measurement of the e+e− → ηπ + π − cross section with the CMD-3 detector at the VEPP-2000 collider
AU - CMD-3 Collaboration
AU - Gribanov, S. S.
AU - Popov, A. S.
AU - Akhmetshin, R. R.
AU - Amirkhanov, A. N.
AU - Anisenkov, A. V.
AU - Aulchenko, V. M.
AU - Banzarov, V. Sh
AU - Bashtovoy, N. S.
AU - Berkaev, D. E.
AU - Bondar, A. E.
AU - Bragin, A. V.
AU - Eidelman, S. I.
AU - Epifanov, D. A.
AU - Epshteyn, L. B.
AU - Erofeev, A. L.
AU - Fedotovich, G. V.
AU - Gayazov, S. E.
AU - Grancagnolo, F. J.
AU - Grebenuk, A. A.
AU - Grigoriev, D. N.
AU - Ignatov, F. V.
AU - Ivanov, V. L.
AU - Karpov, S. V.
AU - Kazanin, V. F.
AU - Kirpotin, A. N.
AU - Koop, I. A.
AU - Korobov, A. A.
AU - Kovalenko, O. A.
AU - Kozyrev, A. N.
AU - Kozyrev, E. A.
AU - Krokovny, P. P.
AU - Kuzmenko, A. E.
AU - Kuzmin, A. S.
AU - Logashenko, I. B.
AU - Lukin, P. A.
AU - Mikhailov, K. Yu
AU - Okhapkin, V. S.
AU - Otboev, A. V.
AU - Razuvaev, G. P.
AU - Rogovsky, Yu A.
AU - Ryskulov, N. M.
AU - Ryzhenenkov, A. E.
AU - Senchenko, A. I.
AU - Shatunov, Yu M.
AU - Shebalin, V. E.
AU - Shemyakin, D. N.
AU - Shwartz, D. B.
AU - Talyshev, A. A.
AU - Tolmachev, S. S.
AU - Yudin, Yu V.
PY - 2020/1/1
Y1 - 2020/1/1
N2 - The cross section of the process e+e−→ ηπ+π− is measured using the data collected with the CMD-3 detector at the VEPP-2000 collider in the center-of-mass energy range from 1.1 to 2.0 GeV. The decay mode η → γγ is used for η meson reconstruction in the data sample corresponding to an integrated luminosity of 78.3 pb−1. The energy dependence of the e+e−→ ηπ+π− cross section is fitted within the framework of vector meson dominance in order to extract the Γ(ρ(1450) → e+e−)B(ρ(1450) → ηπ+π−) and the Γ(ρ(1700) → e+e−)B(ρ(1700) → ηπ+π−) products. Based on conservation of vector current, the analyzed data are used to test the relationship between the e+e−→ ηπ+π− cross section and the spectral function in τ−→ ηπ−π0ντ decay. The e+e−→ ηπ+π− cross section obtained with the CMD-3 detector is in good agreement with the previous measurements.
AB - The cross section of the process e+e−→ ηπ+π− is measured using the data collected with the CMD-3 detector at the VEPP-2000 collider in the center-of-mass energy range from 1.1 to 2.0 GeV. The decay mode η → γγ is used for η meson reconstruction in the data sample corresponding to an integrated luminosity of 78.3 pb−1. The energy dependence of the e+e−→ ηπ+π− cross section is fitted within the framework of vector meson dominance in order to extract the Γ(ρ(1450) → e+e−)B(ρ(1450) → ηπ+π−) and the Γ(ρ(1700) → e+e−)B(ρ(1700) → ηπ+π−) products. Based on conservation of vector current, the analyzed data are used to test the relationship between the e+e−→ ηπ+π− cross section and the spectral function in τ−→ ηπ−π0ντ decay. The e+e−→ ηπ+π− cross section obtained with the CMD-3 detector is in good agreement with the previous measurements.
KW - e+-e- Experiments
KW - e plus -e- Experiments
KW - ANNIHILATION
KW - ENERGY-RANGE
KW - PHYSICS
UR - http://www.scopus.com/inward/record.url?scp=85078460309&partnerID=8YFLogxK
U2 - 10.1007/JHEP01(2020)112
DO - 10.1007/JHEP01(2020)112
M3 - Article
AN - SCOPUS:85078460309
VL - 2020
JO - Journal of High Energy Physics
JF - Journal of High Energy Physics
SN - 1029-8479
IS - 1
M1 - 112
ER -
ID: 23256178