$K$-series X-ray yield measurement of kaonic hydrogen atoms in a gaseous target

M. Bazzi, G. Beer, G. Bellotti +29

We measured the $K$-series X-rays of the $K^{-}p$ exotic atom in the SIDDHARTA experiment with a gaseous hydrogen target of 1.3 g/l, which is about 15 times the ${\rho }_{\mathrm{STP}}$ of hy…