Measurement of CP asymmetry in D0 → K−K+ and D0 → π−π+ decays

@article{Aaij2014MeasurementOC,
  title={Measurement of CP asymmetry in D0 → K−K+ and D0 → π−π+ decays},
  author={R. Aaij and B. Adeva and M. Adinolfi and A. Affolder and Z. Ajaltouni and J. Albrecht and Federico Alessio and M. Alexander and S. Ali and G. Alkhazov and P. Cartelle and A. A. Alves and S. Amato and S. Amerio and Y. Amhis and L. An and L. Anderlini and J. Anderson and R. Andreassen and M. Andreotti and J. E. Andrews and R. Appleby and O. Guti{\'e}rrez and F. Archilli and A. Artamonov and M. Artuso and E. Aslanides and G. Auriemma and M. Baalouch and S. Bachmann and J. J. Back and A. Badalov and V. Balagura and W. Baldini and R. Barlow and C. Barschel and S. Barsuk and W. Barter and V. Batozskaya and T. Bauer and A. Bay and L. Beaucourt and J. Beddow and F. Bedeschi and I. Bediaga and S. Belogurov and K. Belous and I. Belyaev and E. Benhaim and G. Bencivenni and S. Benson and J. Benton and A. Berezhnoy and R. Bernet and M. Bettler and M. Beuzekom and A. Bie{\~n} and S. Bifani and T. Bird and A. Bizzeti and P. Bj{\o}rnstad and T. Blake and F. Blanc and J. Blouw and S. Blusk and V. Bocci and A. Bondar and N. Bondar and W. Bonivento and S. Borghi and A. Borgia and M. Borsato and T. Bowcock and E. Bowen and C. Bozzi and T. Brambach and J. Brand and J. Bressieux and D. Brett and M. Britsch and T. Britton and J. Brodzicka and N. H. Brook and H. Brown and A. Bursche and G. Busetto and J. Buytaert and S. Cadeddu and R. Calabrese and M. Calvi and M. Gomez and A. Camboni and P. Campana and D. Perez and A. Carbone and G. Carboni and R. Cardinale and A. Cardini and H. Carranza-Mejia and L. Carson and K. C. Akiba and G. Casse and L. Cassina and L. Garcia and M. Cattaneo and Ch. Cauet and R. Cenci and M. Charles and P. Charpentier and S. Chen and S. Cheung and N. Chiapolini and M. Chrzaszcz and K. Ciba and X. Vidal and G. Ciezarek and P. Clarke and M. Clemencic and H. Cliff and J. Closier and V. Coco and J. Cogan and E. Cogneras and P. Collins and A. Comerma-Montells and A. Contu and A. Cook and M. Coombes and S. Coquereau and G. Corti and M. Corvo and I. Counts and B. Couturier and G. Cowan and D. Craik and M. Torres and S. Cunliffe and R. Currie and C. D'Ambrosio and J. Dalseno and P. David and A. Davis and K. Bruyn and S. Capua and M. Cian and J. Miranda and L. Paula and W. Silva and P. Simone and D. Decamp and M. Deckenhoff and L. Buono and N. Déléage and D. Derkach and O. Deschamps and F. Dettori and A. Canto and H. Dijkstra and S. Donleavy and F. Dordei and M. Dorigo and A. Su'arez and D. Dossett and A. Dovbnya and G. Dujany and F. Dupertuis and P. Durante and R. Dzhelyadin and A. Dziurda and A. Dzyuba and S. Easo and U. Egede and V. Egorychev and S. Eidelman and S. Eisenhardt and U. Eitschberger and R. Ekelhof and L. Eklund and I. Rifai and C. Elsasser and S. Ely and S. Esen and T. Evans and A. Falabella and C. F{\"a}rber and C. Farinelli and N. Farley and S. Farry and D. Ferguson and V. Albor and F. Rodrigues and M. Ferro-Luzzi and S. Filippov and M. Fiore and M. Fiorini and M. Firlej and C. Fitzpatrick and T. Fiutowski and M. Fontana and F. Fontanelli and R. Forty and O. Francisco and M. Frank and C. Frei and M. Frosini and J. Fu and E. Furfaro and A. G. Torreira and D. Galli and S. Gallorini and S. Gambetta and M. Gandelman and P. Gandini and Y. Gao and J. Garofoli and J. G. Tico and L. Garrido and C. Gaspar and R. Gauld and L. Gavardi and E. Gersabeck and M. Gersabeck and T. Gershon and P. Ghez and A. Gianelle and S. Giani and V. Gibson and L. Giubega and V. Gligorov and C. G{\"o}bel and D. Golubkov and A. Golutvin and A. Gomes and H. Gordon and C. Gotti and M. G. G'andara and R. Diaz and L. Cardoso and E. Grauges and G. Graziani and A. Grecu and E. Greening and S. Gregson and P. Griffith and L. Grillo and O. Gr{\"u}nberg and B. Gui and E. Gushchin and Y. Guz and T. Gys and C. Hadjivasiliou and G. Haefeli and C. Haen and S. Haines and S. Hall and B. Hamilton and T. Hampson and X. Han and S. Hansmann-Menzemer and N. Harnew and S. Harnew and J. Harrison and T. Hartmann and J. He and T. Head and V. Heijne and K. Hennessy and P. Henrard and L. Henry and J. Morata and E. Herwijnen and M. Hess and A. Hicheur and D. Hill and M. Hoballah and P. H. Hopchev and W. Hulsbergen and P. Hunt and N. Hussain and D. Hutchcroft and D. Hynds and M. Idzik and P. Ilten and R. Jacobsson and A. J{\"a}ger and J. Jałocha and E. Jans and P. Jaton and A. Jawahery and M. Jeżabek and F. Jing and M. John and D. Johnson and C. R. Jones and C. Joram and B. Jost and N. Jurik and M. Kaballo and S. Kandybei and W. Kanso and M. Karacson and T. Karbach and M. Kelsey and I. Kenyon and T. Ketel and B. Khanji and C. Khurewathanakul and S. Klaver and O. Kochebina and M. Kolpin and I. Komarov and R. Koopman and P. Koppenburg and M. Korolev and A. Kozlinskiy and L. Kravchuk and K. Kreplin and M. Kreps and G. Krocker and P. Krokovny and F. Kruse and M. Kucharczyk and V. Kudryavtsev and K. Kurek and T. Kvaratskheliya and V. Thi and D. Lacarr{\`e}re and G. Lafferty and A. Lai and D. Lambert and R. Lambert and E. Lanciotti and G. Lanfranchi and C. Langenbruch and B. Langhans and T. Latham and C. Lazzeroni and R. Gac and J. Leerdam and J. Lees and R. Lefevre and A. Leflat and J. Lefrançois and S. Leo and O. Leroy and T. Lesiak and B. Leverington and Y. Li and M. Liles and R. Lindner and C. Linn and F. Lionetto and B. Liu and G. Liu and S. Lohn and I. Longstaff and J. R. Lopes and N. Lopez-march and P. Lowdon and H. Lu and D. Lucchesi and H. Luo and A. Lupato and E. Luppi and O. Lupton and F. Machefert and I. V. Machikhiliyan and F. Maciuc and O. Maev and S. Malde and G. Manca and G. Mancinelli and M. Manzali and J. Maratas and J. Marchand and U. Marconi and C. Benito and P. Marino and R. M{\"a}rki and J. Marks and G. Martellotti and A. Martens and A. S'anchez and M. Martinelli and D. Santos and F. Vidal and D. Tostes and A. Massafferri and R. Matev and Z. Mathe and C. Matteuzzi and A. Mazurov and M. McCann and J. McCarthy and A. Mcnab and R. McNulty and B. McSkelly and B. Meadows and F. Meier and M. Meissner and M. Merk and D. Milanes and M. Minard and N. Moggi and J. Rodriguez and S. Monteil and D. Moran and M. Morandin and P. Morawski and A. Mord{\`a} and M. J. Morello and J. Moroń and A. Morris and R. Mountain and F. Muheim and K. Mueller and R. Muresan and M. Mussini and B. Muster and P. Naik and T. Nakada and R. Nandakumar and I. Nasteva and M. Needham and N. Neri and S. Neubert and N. Neufeld and M. Neuner and A. Nguyen and T. D. Nguyen and C. Nguyen-Mau and M. Nicol and V. Niess and R. Niet and N. Nikitin and T. Nikodem and A. Novoselov and A. Oblakowska-Mucha and V. Obraztsov and S. Oggero and S. Ogilvy and O. Okhrimenko and R. Oldeman and G. Onderwater and M. Orlandea and J. Goicochea and P. Owen and A. Oyanguren and B. Pal and A. Palano and F. Palombo and M. Palutan and J. Panman and A. Papanestis and M. Pappagallo and C. Parkes and C. Parkinson and G. Passaleva and G. Patel and M. Patel and C. Patrignani and A. Alvarez and A. Pearce and A. Pellegrino and M. P. Altarelli and S. Perazzini and E. Trigo and P. Perret and M. Perrin-terrin and L. Pescatore and E. Pesen and K. Petridis and A. Petrolini and E. P. Olloqui and B. Pietrzyk and T. Pilař and D. Pinci and A. Pistone and S. Playfer and M. P. Casasus and F. Polci and A. Poluektov and E. Polycarpo and A. Popov and D. Popov and B. Popovici and C. Potterat and A. Powell and J. Prisciandaro and A. Pritchard and C. Prouve and V. Pugatch and A. Navarro and G. Punzi and W. Qian and B. Rachwal and J. H. Rademacker and B. Rakotomiaramanana and M. Rama},
  journal={Journal of High Energy Physics},
  year={2014},
  volume={2014},
  pages={1-25}
}
  • R. Aaij, B. Adeva, +497 authors M. Rama
  • Published 2014
  • Physics
  • Journal of High Energy Physics
  • A bstractTime-integrated CP asymmetries in D0 decays to the final states K−K+ and π−π+ are measured using proton-proton collisions corresponding to 3fb−1 of integrated luminosity collected at centre-of-mass energies of 7 TeV and 8 TeV. The D0 mesons are produced in semileptonic b-hadron decays, where the charge of the accompanying muon is used to determine the initial flavour of the charm meson. The difference in CP asymmetries between the two final states is measured to be ΔACP=ACPK−K+−ACP… CONTINUE READING
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