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Search for CP violation using T-odd correlations in D0→ K+K-π+π-decays

  • Author(s): Aaij, R
  • Adeva, B
  • Adinolfi, M
  • Affolder, A
  • Ajaltouni, Z
  • Akar, S
  • Albrecht, J
  • Alessio, F
  • Alexander, M
  • Ali, S
  • Alkhazov, G
  • Alvarez Cartelle, P
  • Alves, AA
  • Amato, S
  • Amerio, S
  • Amhis, Y
  • An, L
  • Anderlini, L
  • Anderson, J
  • Andreassen, R
  • Andreotti, M
  • Andrews, JE
  • Appleby, RB
  • Aquines Gutierrez, O
  • Archilli, F
  • Artamonov, A
  • Artuso, M
  • Aslanides, E
  • Auriemma, G
  • Baalouch, M
  • Bachmann, S
  • Back, JJ
  • Badalov, A
  • Baldini, W
  • Barlow, RJ
  • Barschel, C
  • Barsuk, S
  • Barter, W
  • Batozskaya, V
  • Battista, V
  • Bay, A
  • Beaucourt, L
  • Beddow, J
  • Bedeschi, F
  • Bediaga, I
  • Belogurov, S
  • Belous, K
  • Belyaev, I
  • Ben-Haim, E
  • Bencivenni, G
  • Benson, S
  • Benton, J
  • Berezhnoy, A
  • Bernet, R
  • Bettler, MO
  • van Beuzekom, M
  • Bien, A
  • Bifani, S
  • Bird, T
  • Bizzeti, A
  • Bjørnstad, PM
  • Blake, T
  • Blanc, F
  • Blouw, J
  • Blusk, S
  • Bocci, V
  • Bondar, A
  • Bondar, N
  • Bonivento, W
  • Borghi, S
  • Borgia, A
  • Borsato, M
  • Bowcock, TJV
  • Bowen, E
  • Bozzi, C
  • Brambach, T
  • Bressieux, J
  • Brett, D
  • Britsch, M
  • Britton, T
  • Brodzicka, J
  • Brook, NH
  • Brown, H
  • Bursche, A
  • Busetto, G
  • Buytaert, J
  • Cadeddu, S
  • Calabrese, R
  • Calvi, M
  • Calvo Gomez, M
  • Campana, P
  • Campora Perez, D
  • Carbone, A
  • Carboni, G
  • Cardinale, R
  • Cardini, A
  • Carson, L
  • Carvalho Akiba, K
  • Casse, G
  • Cassina, L
  • et al.

Published Web Location

https://doi.org/10.1007/JHEP10(2014)005Creative Commons 'BY' version 4.0 license
Abstract

A search for CP violation using T-odd correlations is performed using the four-body D0→ K+K-π+π−decay, selected from semileptonic B decays. The data sample corresponds to integrated luminosities of 1.0 fb-1and 2.0 fb-1recorded at the centre-of-mass energies of 7TeV and 8TeV, respectively. The CP-violating asymmetry (Formula presented.) is measured to be (0.18 ± 0.29 (stat) ± 0.04 (syst))%. Searches for CP violation in different regions of phase space of the four-body decay, and as a function of the D0decay time, are also presented. No significant deviation from the CP conservation hypothesis is found.

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