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rivet Analysis
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 .

4 data tables
Table 1

No description provided.

Table 1

Experimental data from the OLYA detector

Table 2

No description provided.

More…

Study of ω, φ Resonances and ω φ Interference

Kurdadze, L.M. ; Lelchuk, M.Y. ; Pakhtusova, E.V. ; et al.
IYF-84-7, 1984.
Inspire Record 1408355 DOI 10.17182/hepdata.70433

None

2 data tables
Table 1

No description provided.

Table 2

No description provided.


rivet Analysis
STUDY OF THE REACTION E+ E- ---> PI+ PI- IN THE ENERGY RANGE FROM 640-MEV - 1400-MEV

Kurdadze, L.M. ; Lelchuk, M.Yu. ; Pakhtusova, E.V. ; et al.
Sov.J.Nucl.Phys. 40 (1984) 286-295, 1984.
Inspire Record 208231 DOI 10.17182/hepdata.17648
1 data table
Table 1

Axis error includes +- 0.0/0.0 contribution (?////NOT GIVEN).


RELATIVE PROBABILITY FOR THE DECAY PHI ---> ETA GAMMA

Kurdadze, L.M. ; Lelchuk, M.Yu. ; Root, N.I. ; et al.
JETP Lett. 38 (1983) 366-369, 1983.
Inspire Record 205378 DOI 10.17182/hepdata.16941

None

2 data tables
Table 1

No description provided.

Table 2

No description provided.


STUDY OF DECAYS PHI ---> MU+ MU- AND PHI ---> PI+ PI-

Kurdadze, L.M. ; Lelchuk, M.Yu. ; Sidorov, V.A. ; et al.
Yad.Fiz. 35 (1982) 352-367, 1982.
Inspire Record 179830 DOI 10.17182/hepdata.17741

None

2 data tables
Table 1

No description provided.

Table 2

No description provided.


INVESTIGATION OF THE PROCESS E+ E- ---> E+ E- GAMMA IN THE ENERGY REGION 0.64-GEV - 1.40-GEV. (IN RUSSIAN)

Bukin, A.D. ; Kurdadze, L.M. ; Lelchuk, M.Yu. ; et al.
Yad.Fiz. 35 (1982) 1444-1447, 1982.
Inspire Record 182031 DOI 10.17182/hepdata.37152

None

3 data tables
Table 1

No description provided.

Table 2

No description provided.

Table 3

No description provided.