A.E.Kaloshin

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19931998

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hep-ph1998

Compton scattering by pion: there is no room for the off-shell effects

A. E. Kaloshin

We show that the off-shell contributions in Compton scattering by pion may exist only in the single exchange diagrams. These contributions are canceled completely in the total gaug…

hep-ph1994

First estimates of the $(α + β)^{π}$ from two--photon experiments

A. E. Kaloshin, V. M. Persikov, V. V. Serebryakov

We carry out the semi--model analysis of existing data on the angular distributions of the $γ γ \to π^{+} π^{-}, π^{0} π^{0}$ reactions with purpose to obtain S-wave cross section a…

hep-ph1993

Is the scalar meson seen in CELLO data on $γ γ \to π^{+} π^{-}$ ?

A. E. Kaloshin, V. M. Persikov

We analyze the CELLO angular distributions $γ γ \to π^{+} π^{-}$ with the unitary model \cite{KS-86} for helicity 2 amplitude. In contrast to previous analysis \cite{CELLO} we do n…

Compton scattering by pion: there is no room for the off-shell effects

First estimates of the (α+β)π from two--photon experiments

Is the scalar meson seen in CELLO data on γγ→π+π− ?

First estimates of the $(α + β)^{π}$ from two--photon experiments

Is the scalar meson seen in CELLO data on $γ γ \to π^{+} π^{-}$ ?