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Evidence for Z±c(3900) in semi-inclusive decays of b-flavored hadrons

We present evidence for the exotic charged charmoniumlike state Z±c(3900) decaying to J/ψπ± in semi-inclusive weak decays of b-flavored hadrons. The signal is correlated with a parent J/ψπ+π system in the invariant-mass range 4.2–4.7 GeV that would include the exotic structure Y(4260). The study is based on 10.4fb1 of p¯p collision data collected by the D0 experiment at the Fermilab Tevatron collider.

Physical Review D, 98, 052010, 2018

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Authors: 
P.Baringer*, A.Bean*, G.Chen*, J.Clutter*, J.Sekaric*, G.Wilson* & D0 Collaboration *KU Authors