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Measurement of the neutral D meson mixing parameters in a time-dependent amplitude analysis of the D0 →π+π-π0 decay

  • Author(s): Lees, JP
  • Poireau, V
  • Tisserand, V
  • Grauges, E
  • Palano, A
  • Eigen, G
  • Brown, DN
  • Kolomensky, YG
  • Koch, H
  • Schroeder, T
  • Hearty, C
  • Mattison, TS
  • McKenna, JA
  • So, RY
  • Blinov, VE
  • Buzykaev, AR
  • Druzhinin, VP
  • Golubev, VB
  • Kravchenko, EA
  • Onuchin, AP
  • Serednyakov, SI
  • Skovpen, YI
  • Solodov, EP
  • Todyshev, KY
  • Lankford, AJ
  • Gary, JW
  • Long, O
  • Eisner, AM
  • Lockman, WS
  • Panduro Vazquez, W
  • Chao, DS
  • Cheng, CH
  • Echenard, B
  • Flood, KT
  • Hitlin, DG
  • Kim, J
  • Miyashita, TS
  • Ongmongkolkul, P
  • Porter, FC
  • Röhrken, M
  • Huard, Z
  • Meadows, BT
  • Pushpawela, BG
  • Sokoloff, MD
  • Sun, L
  • Smith, JG
  • Wagner, SR
  • Bernard, D
  • Verderi, M
  • Bettoni, D
  • Bozzi, C
  • Calabrese, R
  • Cibinetto, G
  • Fioravanti, E
  • Garzia, I
  • Luppi, E
  • Santoro, V
  • Calcaterra, A
  • De Sangro, R
  • Finocchiaro, G
  • Martellotti, S
  • Patteri, P
  • Peruzzi, IM
  • Piccolo, M
  • Zallo, A
  • Passaggio, S
  • Patrignani, C
  • Bhuyan, B
  • Mallik, U
  • Chen, C
  • Cochran, J
  • Prell, S
  • Ahmed, H
  • Gritsan, AV
  • Arnaud, N
  • Davier, M
  • Le Diberder, F
  • Lutz, AM
  • Wormser, G
  • Lange, DJ
  • Wright, DM
  • Coleman, JP
  • et al.
Abstract

© 2016 American Physical Society. We perform the first measurement on the D0-D0 mixing parameters using a time-dependent amplitude analysis of the decay D0→π+π-π0. The data were recorded with the BABAR detector at center-of-mass energies at and near the υ(4S) resonance, and correspond to an integrated luminosity of approximately 468.1 fb-1. The neutral D meson candidates are selected from D∗(2010)+→D0πs+ decays where the flavor at the production is identified by the charge of the low-momentum pion, πs+. The measured mixing parameters are x=(1.5±1.2±0.6)% and y=(0.2±0.9±0.5)%, where the quoted uncertainties are statistical and systematic, respectively.

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