Speakers
Description
Polarizability is a fundamental particle property. Measurement of pion
polarizability values allows checking strict ChPT prediction. Charged and
neutral pi-mesons polarizability will be extracted from the CPP and NPP
experimental data using Primakoff pair production cross-section on nuclear target. The CPP/NPP experiment run at TJNAF Hall-D was conducted in the summer of 2022 and utilized a polarized photon beam with an energy range of 4.5-6.0 GeV
and the lead-208 target on the upgraded GlueX experimental setup.
In this talk, we will discuss existing experiments that measured charged
pion polarizability, review CPP/NPP experimental data, future plans on
cross-section and polarizability of the charged and neutral pions (for the
first time) extraction.
