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Search for CP violation in D0→π-π+π0decays with the energy test

  • 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
  • Baesso, C
  • 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
  • Brett, D
  • Britsch, M
  • Britton, T
  • Brodzicka, J
  • Brook, NH
  • Brown, H
  • Bursche, A
  • 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
  • Castillo Garcia, L
  • et al.

Published Web Location

http://doi.org/10.1016/j.physletb.2014.11.043
No data is associated with this publication.
Abstract

A search for time-integrated CP violation in the Cabibbo-suppressed decay D →π π π is performed using for the first time an unbinned model-independent technique known as the energy test. Using proton-proton collision data, corresponding to an integrated luminosity of 2.0fb collected by the LHCb detector at a centre-of-mass energy of s=8TeV, the world's best sensitivity to CP violation in this decay is obtained. The data are found to be consistent with the hypothesis of CP symmetry with a p-value of (2.6±0.5)%. 0 - + 0 -1

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