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Observation of new resonances decaying to $Dπ$ and $D^*π$ in inclusive $e^+e^-$ collisions near $\sqrt{s}=$10.58 GeV

We present a study of the $D^+π^-$, $D^0π^+$, and $D^{*+}π^-$ systems in inclusive $e^+e^- \rightarrow c\bar{c}$ interactions in a search for new excited $D$ meson states. We use a dataset, consisting of $\sim$454 fb$^{-1}$, collected at center-of-mass energies near 10.58 GeV by the BABAR detector at the SLAC PEP-II asymmetric-energy collider. We observe, for the first time, candidates for the radial excitations of the $D^0$, $D^{*0}$, and $D^{*+}$, as well as the L=2 excited states of the $D^0$ and $D^+$, where $L$ is the orbital angular momentum of the quarks.

preprint2010arXivOpen access

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