Literature DB >> 12857188

Observation of a narrow meson state decaying to D(+)(s)pi(0) at a mass of 2.32 GeV/c(2).

B Aubert1, R Barate, D Boutigny, J-M Gaillard, A Hicheur, Y Karyotakis, J P Lees, P Robbe, V Tisserand, A Zghiche, A Palano, A Pompili, J C Chen, N D Qi, G Rong, P Wang, Y S Zhu, G Eigen, I Ofte, B Stugu, G S Abrams, A W Borgland, A B Breon, D N Brown, J Button-Shafer, R N Cahn, E Charles, C T Day, M S Gill, A V Gritsan, Y Groysman, R G Jacobsen, R W Kadel, J Kadyk, L T Kerth, Yu G Kolomensky, J F Kral, G Kukartsev, C LeClerc, M E Levi, G Lynch, L M Mir, P J Oddone, T J Orimoto, M Pripstein, N A Roe, A Romosan, M T Ronan, V G Shelkov, A V Telnov, W A Wenzel, K Ford, T J Harrison, C M Hawkes, D J Knowles, S E Morgan, R C Penny, A T Watson, N K Watson, T Deppermann, K Goetzen, H Koch, B Lewandowski, M Pelizaeus, K Peters, H Schmuecker, M Steinke, N R Barlow, J T Boyd, N Chevalier, W N Cottingham, M P Kelly, T E Latham, C Mackay, F F Wilson, K Abe, T Cuhadar-Donszelmann, C Hearty, T S Mattison, J A McKenna, D Thiessen, P Kyberd, A K McKemey, V E Blinov, A D Bukin, V B Golubev, V N 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Abstract

We have observed a narrow state near 2.32 GeV/c(2) in the inclusive D(+)(s)pi(0) invariant mass distribution from e(+)e(-) annihilation data at energies near 10.6 GeV. The observed width is consistent with the experimental resolution. The small intrinsic width and the quantum numbers of the final state indicate that the decay violates isospin conservation. The state has natural spin-parity and the low mass suggests a J(P)=0(+) assignment. The data sample corresponds to an integrated luminosity of 91 fb(-1) recorded by the BABAR detector at the SLAC PEP-II asymmetric-energy e(+)e(-) storage ring.

Year:  2003        PMID: 12857188     DOI: 10.1103/PhysRevLett.90.242001

Source DB:  PubMed          Journal:  Phys Rev Lett        ISSN: 0031-9007            Impact factor:   9.161


  1 in total

1.  Regarding the charmed-strange member of the 2³S₁ meson state.

Authors:  Xue-Chao Feng; Jing Chen
Journal:  ScientificWorldJournal       Date:  2013-10-22
  1 in total

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