Sum rules for vector-meson-nucleon scattering from the generalized vector-meson dominance model

1978 ◽  
Vol 21 (13) ◽  
pp. 468-472
Author(s):  
K. Zalewski
Keyword(s):  
Vector Meson ◽  
Sum Rules ◽  
Vector Meson Dominance ◽  
Dominance Model ◽  
Nucleon Scattering ◽  
Vector Meson Dominance Model

scholarly journals f1(1285) → e+e- decay and direct f1 production in e+e- collisions

2018 ◽  
Vol 182 ◽  
pp. 02106
Author(s):  
A.S. Rudenko
Keyword(s):  
Vector Meson ◽  
Cross Section ◽  
Relative Phase ◽  
Charge Asymmetry ◽  
Coupling Constants ◽  
Vector Meson Dominance ◽  
Dominance Model ◽  
Vector Meson Dominance Model

The width of the f1(1285) → e+e+e- decay is calculated in the vector meson dominance model. The result depends on the relative phase between two coupling constants describing f1 → ρ0γ decay. The width Γ( f1 → e+e+e-) is estimated to be ≃ 0:07 - 0:19 eV. Direct f1 production in e+e+e- collisions is discussed, and the e+e+e- → f1 → a0π → ηππ cross section is calculated. Charge asymmetry in the e+e+e- → ηπ+π- reaction due to interference between e+e+e- → f1 and e+e+e- → ηρ0 amplitudes is studied.

KAON FORM FACTOR FOR SMALL Q2

1988 ◽  
Vol 03 (05) ◽  
pp. 1183-1197 ◽  
Author(s):  
V.A. BEILIN ◽  
V.A. NESTERENKO ◽  
A.V. RADYUSHKIN
Keyword(s):  
Experimental Data ◽  
Form Factor ◽  
Vector Meson ◽  
Vector Meson Dominance ◽  
Dominance Model ◽  
Sum Rule ◽  
Charge Radii ◽  
Vector Meson Dominance Model ◽  
Rule Approach

We calculate the electromagnetic charge radii of K± and K0 mesons using the QCD sum rule approach. The results agree with existing experimental data. The relation to the vector meson dominance model is briefly discussed.

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