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

Abstract : 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.
Document type :
Journal articles

http://hal.in2p3.fr/in2p3-00516923
Contributor : Swarna Bassava <>
Submitted on : Monday, September 13, 2010 - 10:13:49 AM
Last modification on : Wednesday, September 16, 2020 - 4:19:59 PM

Citation

P.Del Amo Sanchez, J. P. Lees, V. Poireau, E. Prencipe, V. Tisserand, et al.. Observation of new resonances decaying to $D\pi$ and $D^*\pi$ in inclusive $e^+e^-$ collisions near $\sqrt{s}=$10.58 GeV. Physical Review D, American Physical Society, 2010, 82, pp.111101. ⟨10.1103/PhysRevD.82.111101⟩. ⟨in2p3-00516923⟩

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