https://doi.org/10.1051/epjconf/20100307003
Search for a bound K− pp system
Dipartimento di Fisica, Universitá di Trieste and INFN, Sezione
di Trieste via Valerio 2, 34127, Trieste, Italy
a e-mail: paolo.camerini@ts.infn.it
Data from the K− absorption reaction on
6,7Li, 9Be, 13C and 16O have
recently been collected by FINUDA at the DAΦNE
φ-factory (Laboratori Nazionali di Frascati-INFN),
following an earlier lower statitics run on 12C and
some other targets. FINUDA is a high acceptance magnetic spectrometer which
performed a wide range of studies by detecting the charged particles and
neutrons exiting the targets after the absorption event. In this paper it is
discussed about the study of the A(K− ,
Λp) reaction in the context of the search for deeply bound
- nuclear states. The observation of a bump in the
Λp invariant mass distribution is discussed in terms of a
possible signature of a deeply bound K−
pp kaonic cluster as well as of more conventional physics. An
overview of the experimental situation in this field will be given.
© Owned by the authors, published by EDP Sciences, 2010