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Exclusive production of Ds+Ds-, Ds*+Ds-, and Ds*+Ds*- via e+e-annihilation with initial-state radiation

  • Author(s): Del Amo Sanchez, P
  • Lees, JP
  • Poireau, V
  • Prencipe, E
  • Tisserand, V
  • Garra Tico, J
  • Grauges, ES
  • Martinelli, M
  • Palano, A
  • Pappagallo, M
  • Eigen, G
  • Stugu, B
  • Sun, L
  • Battaglia, M
  • Brown, DN
  • Hooberman, B
  • Kerth, LT
  • Kolomensky, YG
  • Lynch, G
  • Osipenkov, IL
  • Tanabe, T
  • Hawkes, CM
  • Watson, AT
  • Koch, H
  • Schroeder, T
  • Asgeirsson, DJ
  • Hearty, C
  • Mattison, TS
  • McKenna, JA
  • Khan, A
  • Randle-Conde, A
  • Blinov, VE
  • Buzykaev, AR
  • Druzhinin, VP
  • Golubev, VB
  • Onuchin, AP
  • Serednyakov, SI
  • Skovpen, YI
  • Solodov, EP
  • Todyshev, KY
  • Yushkov, AN
  • Bondioli, M
  • Curry, S
  • Kirkby, D
  • Lankford, AJ
  • Mandelkern, M
  • Martin, EC
  • Stoker, DP
  • Atmacan, H
  • Gary, JW
  • Liu, F
  • Long, O
  • Vitug, GM
  • Campagnari, C
  • Hong, TM
  • Kovalskyi, D
  • Richman, JD
  • Eisner, AM
  • Heusch, CA
  • Kroseberg, J
  • Lockman, WS
  • Martinez, AJ
  • Schalk, T
  • Schumm, BA
  • Seiden, A
  • Winstrom, LO
  • Cheng, CH
  • Doll, DA
  • Echenard, B
  • Hitlin, DG
  • Ongmongkolkul, P
  • Porter, FC
  • Rakitin, AY
  • Andreassen, R
  • Dubrovin, MS
  • Mancinelli, G
  • Meadows, BT
  • Sokoloff, MD
  • Bloom, PC
  • Ford, WT
  • Gaz, A
  • Nagel, M
  • Nauenberg, U
  • Smith, JG
  • Wagner, SR
  • Ayad, R
  • Toki, WH
  • Jasper, H
  • Karbach, TM
  • Merkel, J
  • Petzold, A
  • Spaan, B
  • Wacker, K
  • Kobel, MJ
  • Schubert, KR
  • Schwierz, R
  • et al.
Abstract

We perform a study of exclusive production of Ds+Ds-, Ds*+Ds-, and Ds*+Ds*- final states in initial-state-radiation events from e+e-annihilations at a center-of-mass energy near 10.58 GeV, to search for charmonium 1-states. The data sample corresponds to an integrated luminosity of 525fb-1 and was recorded by the BABAR experiment at the PEP-II storage ring. The Ds+Ds-, Ds*+Ds-, and Ds*+Ds*- mass spectra show evidence of the known ψ resonances. Limits are extracted for the branching ratios of the decays X(4260)→Ds (*)+Ds(*). © 2010 The American Physical Society.

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