Search for the proton decay mode $p\to \overline{\nu }{K}^{+}$ with KamLAND

KamLAND Collaboration

We present a search for the proton decay mode $p\to \overline{\nu }{K}^{+}$ based on an exposure of 8.97 kton-years in the KamLAND experiment. The liquid scintillator detector i…