Angular dependence of the yield of low-energy
![\pi\pm](/img/latex/9f/9f032e973281528853bc05f1509f10b3-v2.png)
mesons
Alanakyan K.V., Amaryan M. Dzh. , Demirchyan R.A. , Egiyan K.Sh., Ogandzhanyan M.S. , Stepanyan S.G., Sharabyan Yu.G.
Invariant cross sections and mass spectra were measured for the photoproduction of 77± mesons by 4.5 GeV ^-radiation on C12, Cu63, and Pb208.