Search of Deeply Bound Kaon States at B-factories

The study of deeply bound kaon states is usually carried out or proposed using $K^-$ or $π^+$ beams with fixed nuclear target or proton proton interactions or, more recently, heavy ion collisions. The extension of the measurements to different and new environments could allow to clarify their possible existence. The high luminosity of 10$^{36}$cm$^{-2}$s$^{-1}$, which will be achieved at future B-factories, both in Italy and in Japan, opens the possibility to search for deeply bound kaon states in the vacuum, in the glue-rich $Υ(nS)$ decays. Here the opportunity to perform a measurement of the simplest kaonic nuclear state, the $K^-pp$ and other bound states, at B-factories is discussed.

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