A tetraquark or not a tetraquark: A holography inspired stringy hadron (HISH) perspective

Jacob Sonnenschein, Dorin Weissman

We suggest to use the state $Y(4630)$, which decays predominantly to ${\Lambda }_c{\bar{\Lambda }}_c$, as a window to the landscape of tetraquarks. We propose a simple criterion to decide whether a st…