First Kaonic Boron Isotopes Measurements with SIDDHARTA-2 at DA$\Phi$NE

D Sirghi, M Iliescu, F Sgaramella +35

A precision measurement of X-ray transitions in kaonic boron, performed by the SIDDHARTA-2 collaboration at the DA$\Phi$NE collider, is reported. The energies and yields of the $5g\ri…