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CMS studies of excited $B_c$ states
In this work, the search for excited $B_c^+(2S)$ states, through their decay to $B_c^+\pi^+\pi^-$, is presented. For the first time, signals consistent with the $B_c^+(2S)$ and $B_c^{+\,*}(2S)$ states are observed in proton-proton collisions at $\sqrt(s) = 13~\textrm{TeV}$, in an event sample corres...
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| Lenguaje: | eng |
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SISSA
2020
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| Acceso en línea: | https://dx.doi.org/10.22323/1.377.0014 http://cds.cern.ch/record/2746373 |