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P-wave charmed mesons in e+e- annihilation.

  • Author(s): Avery, P
  • Besson, D
  • Garren, L
  • Yelton, J
  • Bowcock, T
  • Kinoshita, K
  • Pipkin, FM
  • Procario, M
  • Wilson, R
  • Wolinski, J
  • Xiao, D
  • Ammar, R
  • Baringer, P
  • Haas, P
  • Lam, H
  • Jawahery, A
  • Park, CH
  • Nelson, JK
  • Perticone, D
  • Poling, R
  • Chen, W
  • Dominick, J
  • McIlwain, RL
  • Miller, DH
  • Ng, CR
  • Schaffner, SF
  • Shibata, EI
  • Yao, W
  • Sparks, K
  • Thorndike, EH
  • Alam, MS
  • Kim, IJ
  • Li, WC
  • Lou, XC
  • Sun, CR
  • Fulton, R
  • Hempstead, M
  • Jensen, T
  • Johnson, DR
  • Kagan, H
  • Kass, R
  • Morrow, F
  • Whitmore, J
  • Bortoletto, D
  • Goldberg, M
  • Horwitz, N
  • Mestayer, MD
  • Moneti, GC
  • Sharma, V
  • Shipsey, IP
  • Skwarnicki, T
  • Csorna, SE
  • Letson, T
  • Alexander, J
  • Artuso, M
  • Bebek, C
  • Berkelman, K
  • Cassel, DG
  • Cheu, E
  • Coffman, DM
  • Crawford, G
  • DeWire, JW
  • Drell, PS
  • Ehrlich, R
  • et al.

Published Web Location

http://10.0.4.79/PhysRevD.41.774
No data is associated with this publication.
Abstract

Using the CLEO detector at the Cornell Electron Storage Ring, we have found evidence for L=1 charmed mesons in e+e- annihilations. We observe a D**0 state at mass 2461±3±1 MeV/c2 and width 20-12-10+9+9 MeV/c2 decaying to D+-. We also see an enhancement in the m(D*+-)-m(D*+) mass-difference spectrum and by examining D*+ decay-angle dependence, we see structure consistent with two states decaying to D*+-. We observe a lower-mass state, at mass (2428±3±2) MeV/c2 and width (23-6-4+8+10) MeV/c2, assuming that the higher-mass component is from the decay D**0(2461)D*+-. We present arguments for the spin-parity assignments of these states. We also report observation of candidate L=1 cs» state decaying to D*+Ks0. © 1990 The American Physical Society.

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