The doubly charmed strange tetraquark

Kavli Affiliate: Jonathan L. Rosner

| First 5 Authors: Marek Karliner, Jonathan L. Rosner, , ,

| Summary:

The LHCb experiment at CERN has discovered a doubly charmed isoscalar
tetraquark $T_{cc}$ with the quantum numbers of $c c bar u bar d$ and mass of
about 3875 MeV/$c^2$, decaying to $D^0 D^0 pi^+$ through the intermediate
channel $D^{*+} D^0$. We present a study of its strange companions with the
quantum numbers of $c c bar q bar s$, where $q = u, d$ and isospin violation
is neglected.

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