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

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

2010-09-10

arxiv.org/abs/1009.2076v2

Phys.Rev.D82:111101,2010

Physics

High Energy Physics

High Energy Physics - Experiment

8 pages, 7 postscript figures, accepted by PRD-RC

Scientific paper

10.1103/PhysRevD.82.111101

We present a study of the $D^+\pi^-$, $D^0\pi^+$, and $D^{*+}\pi^-$ 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.

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