Measurement of phi meson parameters with CMD-2 detector at VEPP-2M collider

Akhmetshin, R.R. ; Aksenov, G.A. ; Anashkin, E.V. ; et al.
Phys.Lett.B 364 (1995) 199-206, 1995.
Inspire Record 406880 DOI 10.17182/hepdata.28437

Results of the measurement of the φ meson parameters with the general purpose detector CMD-2 at the upgraded e + e − collider VEPP-2M at Novosibirsk are presented. This is the first measurement of the four major φ decay modes in a single e + e − experiment. The results based on about 55,600 identified hadronic events are consistent with previous measurements, and have precision comparable to the current world average.

1 data table

No description provided.


Measurement of the Properties of the $\Omega$ Meson With a Cryogenic Magnetic Detector

Barkov, L.M. ; Vasserman, I.B. ; Vorobev, P.V. ; et al.
JETP Lett. 46 (1987) 164-167, 1987.
Inspire Record 255953 DOI 10.17182/hepdata.16910

None

1 data table

No description provided.


Version 2
Electromagnetic Pion Form-Factor in the Timelike Region

Barkov, L.M. ; Chilingarov, A.G. ; Eidelman, S.I. ; et al.
Nucl.Phys.B 256 (1985) 365-384, 1985.
Inspire Record 221309 DOI 10.17182/hepdata.6886

The pion electromagnetic form factor has been measured at the VEPP-2M collider in the c.m. energy range 360 MeV–1400 MeV with the detectors OLYA and CMD. On the basis of all available data for the pion form factor collected in the timelike region, the following values for ρ-meson parameters were obtained: m ρ = 775.9 ± 1.1 MeV, σ ρ = 150.5 ± 3.0 MeV. The ω-meson branching ratio into π + π − pair, electromagnetic radius of the pion, ππ scattering length in the P-wave and the strong interaction contribution to the muon ( g − 2) value were found to be B ωππ = (2.3 ± 0.4)%, 〈 r π 2 〉 = 0.422 ± 0.013 fm 2 , a 1 1 = 0.033 ± 0.033m π −3 , a H = (68.4 ± 1.1) × 10 −9 .

2 data tables

Experimental data from the OLYA detector

Experimental data from the CMD detector


THE RESULTS OF EXPERIMENTS WITH CMD ON VEPP-2M STORAGE RING

Anikin, G.V. ; Barkov, L.M. ; Khazin, B.I. ; et al.
IYF-83-85, 1983.
Inspire Record 192095 DOI 10.17182/hepdata.37149

None

5 data tables

No description provided.

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The first results of an experiment to study multiple production of pions on colliding electron-positron beams at a cryogenic magnetic detector

Barkov, L.M. ; Blinov, G.A. ; Vasserman, I.B. ; et al.
NOVO-82-124, 1982.
Inspire Record 1501545 DOI 10.17182/hepdata.76280

None

5 data tables

No description provided.

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Form factor ...

Barkov, L.M. ; Blinov, G.A. ; Vasserman, I.B. ; et al.
NOVO-82-122, 1982.
Inspire Record 1501544 DOI 10.17182/hepdata.76464

None

1 data table

Axis error includes +- 7/7 contribution (/LUMINOCITY, RADIATIVE CORRECTIONS, NUCLEAR ABSORPTION AND DECAY IN FLIGHT).