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Dalitz plot analysis of Ds+→π+π-π+

  • Author(s): Aubert, B
  • Bona, M
  • Karyotakis, Y
  • Lees, JP
  • Poireau, V
  • Prencipe, E
  • Prudent, X
  • Tisserand, V
  • Garra Tico, J
  • Grauges, E
  • Lopez, L
  • Palano, A
  • Pappagallo, M
  • Eigen, G
  • Stugu, B
  • Sun, L
  • Abrams, GS
  • Battaglia, M
  • Brown, DN
  • Jacobsen, RG
  • Kerth, LT
  • Kolomensky, YG
  • Lynch, G
  • Osipenkov, IL
  • Ronan, MT
  • Tackmann, K
  • Tanabe, T
  • Hawkes, CM
  • Soni, N
  • Watson, AT
  • Koch, H
  • Schroeder, T
  • Asgeirsson, DJ
  • Fulsom, BG
  • Hearty, C
  • Mattison, TS
  • McKenna, JA
  • Barrett, M
  • Khan, A
  • Blinov, VE
  • Bukin, AD
  • Buzykaev, AR
  • Druzhinin, VP
  • Golubev, VB
  • Onuchin, AP
  • Serednyakov, SI
  • Skovpen, YI
  • Solodov, EP
  • Todyshev, KY
  • Bondioli, M
  • Curry, S
  • Eschrich, I
  • Kirkby, D
  • Lankford, AJ
  • Lund, P
  • Mandelkern, M
  • Martin, EC
  • Stoker, DP
  • Abachi, S
  • Buchanan, C
  • Atmacan, H
  • Gary, JW
  • Liu, F
  • Long, O
  • Vitug, GM
  • Yasin, Z
  • Zhang, L
  • Sharma, V
  • Campagnari, C
  • Hong, TM
  • Kovalskyi, D
  • Mazur, MA
  • Richman, JD
  • Beck, TW
  • Eisner, AM
  • Flacco, CJ
  • Heusch, CA
  • Kroseberg, J
  • Lockman, WS
  • Martinez, AJ
  • Schalk, T
  • Schumm, BA
  • Seiden, A
  • Wilson, MG
  • Winstrom, LO
  • Cheng, CH
  • Doll, DA
  • Echenard, B
  • Fang, F
  • Hitlin, DG
  • Narsky, I
  • Piatenko, T
  • Porter, FC
  • Andreassen, R
  • Mancinelli, G
  • Meadows, BT
  • Mishra, K
  • et al.
Abstract

A Dalitz plot analysis of approximately 13000 Ds+ decays to π+π-π+ has been performed. The analysis uses a 384 fb-1 data sample recorded by the BABAR detector at the PEP-II asymmetric-energy e+e- storage ring running at center of mass energies near 10.6 GeV. Amplitudes and phases of the intermediate resonances which contribute to this final state are measured. A high precision measurement of the ratio of branching fractions is performed: B(Ds+→π+π-π+)/B(Ds+→K+K-π+)=0.199±0.004±0. 009. Using a model-independent partial wave analysis, the amplitude and phase of the S wave have been measured. © 2009 The American Physical Society.

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