Observation of the Compton effect at the π- meson
Antipov Yu. M. , Bezzubov V. A. , Budanov N. P. , Gorin Yu. P. , Denisov S. P. , Kotov I. V. , Kulinich P. A. , Lebedev A. A. , Mitsel'makher G. V., OI'shevskii A. G., Petrukhin A. I. , Polovnikov S. A. , Roinishvili V. N. , Stoyanova D. A. , Travkin V. I.
Elastic scattering of π~ mesons by photons (the Compton effect at the π~ meson) has been detected experimentally for the first time. The polarizability of the charged pion is estimated to be aw — (5 ±4)X 10~43 cm3.