Measurement of CP Observables in B±→D(⁎)K± and B±→D(⁎)π± Decays
R. Aaij,B. Adeva,M. Adinolfi,Z. Ajaltouni,S. Akar, J. Albrecht,F. Alessio,M. Alexander, A. Alfonso Albero,S. Ali,G. Alkhazov,P. Alvarez Cartelle,A. A. Alves, S. Amato,S. Amerio,Y. Amhis,L. An,L. Anderlini,G. Andreassi,M. Andreotti,J. E. Andrews,R. B. Appleby,F. Archilli,P. d'Argent, J. ArnauRomeu,A. Artamonov,M. Artuso,E. Aslanides,G. Auriemma,M. Baalouch,I. Babuschkin,S. Bachmann,J. J. Back,A. Badalov,C. Baesso,S. Baker,V. Balagura,W. Baldini,A. Baranov,R. J. Barlow,C. Barschel,S. Barsuk,W. Barter,F. Baryshnikov,V. Batozskaya,V. Battista,A. Bay,L. Beaucourt,J. Beddow,F. Bedeschi,I. Bediaga,A. Beiter,L. J. Bel,N. Beliy,V. Bellee,N. Belloli,K. Belous,I. Belyaev,E. Ben-Haim,G. Bencivenni,S. Benson,S. Beranek,A. Berezhnoy,R. Bernet,D. Berninghoff,E. Bertholet,A. Bertolin,C. Betancourt,F. Betti,M. -O. Bettler,M. Van Beuzekom, Ia. Bezshyiko, S. Bifani,P. Billoir,A. Birnkraut,A. Bitadze,A. Bizzeti,M. Bjorn,T. Blake,F. Blanc,J. Blouw,S. Blusk,V. Bocci,T. Boettcher,A. Bondar,N. Bondar,W. Bonivento,I. Bordyuzhin,A. Borgheresi,S. Borghi,M. Borisyak,M. Borsato,F. Bossu,M. Boubdir,T. J. V. Bowcock, E. Bowen,C. Bozzi,S. Braun,T. Britton,J. Brodzicka,D. Brundu, E. Buchanan,C. Burr,A. Bursche,J. Buytaert,W. Byczynski,S. Cadeddu,H. Cai,R. Calabrese,R. Calladine,M. Calvi,M. Calvo Gomez,A. Camboni,P. Campana,D. H. Campora Perez,L. Capriotti, A. Carbone,G. Carboni,R. Cardinale, A. Cardini,P. Carniti,L. Carson,K. Carvalho Akiba,G. Casse,L. Cassina, L. Castillo Garcia,M. Cattaneo,G. Cavallero, R. Cenci,D. Chamont,M. Charles, Ph. Charpentier,G. Chatzikonstantinidis,M. Chefdeville,S. Chen,S. F. Cheung,S. -G. Chitic,V. Chobanova,M. Chrzaszcz,A. Chubykin,P. Ciambrone,X. Cid Vidal,G. Ciezarek,P. E. L. Clarke,M. Clemencic,H. V. Cliff,J. Closier,J. Cogan,E. Cogneras,V. Cogoni,L. Cojocariu,P. Collins,T. Colombo,A. Comerma-Montells,A. Contu,A. Cook,G. Coombs,S. Coquereau,G. Corti,M. Corvo,C. M. Costa Sobral, B. Couturier, A. Cowan,D. C. Craik,A. Crocombe,M. Cruz Torres,R. Currie,C. D'Ambrosio,F. Da Cunha Marinho,E. Dall'Occo,J. Dalseno,A. Davis,O. De Aguiar Francisco,S. De Capua, M. De Cian,J. M. De Miranda,L. De Paula,M. De Serio, P. De Simone, C. T. Dean,D. Decamp,L. Del Buono,H. -P. Dembinski,M. Demmer,A. Dendek,D. Derkach,O. Deschamps,F. Dettori,B. Dey,A. Di Canto,P. Di Nezza,H. Dijkstra,F. Dordei,M. Dorigo,A. Dosil Suarez,L. Douglas,A. Dovbnya,K. Dreimanis,L. Dufour,G. Dujany, P. Durante, R. Dzhelyadin,M. Dziewiecki,A. Dziurda,A. Dzyuba,S. Easo,M. Ebert,U. Egede,V. Egorychev,S. Eidelman,S. Eisenhardt,U. Eitschberger,R. Ekelhof,L. Eklund,S. Ely,S. Esen,H. M. Evans,T. Evans,A. Falabella,N. Farley,S. Farry,R. Fay,D. Fazzini,L. Federici,D. Ferguson,G. Fernandez,P. Fernandez Declara, A. Fernandez Prieto,F. Ferrari,F. Ferreira Rodrigues,M. Ferro-Luzzi,S. Filippov,R. A. Fini,M. Fiore,M. Fiorini,M. Firlej,C. Fitzpatrick,T. Fiutowski,F. Fleuret,K. Fohl,M. Fontana,F. Fontanelli,D. C. Forshaw,R. Forty,V. Franco Lima,M. Frank,C. Frei,J. Fu,W. Funk,E. Furfaro,C. 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Hutchcroft,P. Ibis,M. Idzik,P. Ilten,R. Jacobsson, J. Jalocha,E. Jans,A. Jawahery,F. Jiang,M. John,D. Johnson,C. R. Jones,C. Joram,B. Jost,N. Jurik,S. Kandybei,M. Karacson,J. M. Kariuki,S. Karodia,N. Kazeev,M. Kecke,M. Kelsey,M. Kenzie,T. Ketel,E. Khairullin,B. Khanji,C. Khurewathanakul,T. Kirn,S. Klaver,K. Klimaszewski,T. Klimkovich,S. Koliiev,M. Kolpin,I. Komarov,R. Kopecna,P. Koppenburg,A. Kosmyntseva,S. Kotriakhova,M. Kozeiha,L. Kravchuk,M. Kreps, P. Krokovny,F. Kruse,W. Krzemien,W. Kucewicz, M. Kucharczyk,V. Kudryavtsev, A. K. Kuonen,K. Kurek,T. Kvaratskheliya,D. Lacarrere,G. Lafferty,A. Lai,G. Lanfranchi,C. Langenbruch, T. Latham,C. Lazzeroni, R. Legac,A. Leflat,J. Lefrancois,R. Lefevre,F. Lemaitre,E. Lemos Cid,O. Leroy,T. Lesiak,B. Leverington,P. -R. Li, T. Li,Y. Li,Z. Li,T. Likhomanenko,R. Lindner,F. Lionetto,V. Lisovskyi,X. Liu,D. Loh,A. Loi,I. Longstaff,J. H. Lopes,D. Lucchesi, M. Lucio Martinez,H. Luo,A. Lupato,E. Luppi,O. Lupton,A. Lusiani,X. Lyu,F. Machefert,F. Maciuc,V. Macko,P. Mackowiak,S. Maddrell-Mander,O. Maev, K. Maguire, D. Maisuzenko,M. W. Majewski,S. Malde,A. Malinin,T. Maltsev,G. Manca,G. Mancinelli,P. Manning,D. Marangotto,J. Maratas,J. F. Marchand,U. Marconi,C. Marin Benito, M. Marinangeli, P. Marino,J. Marks,G. Martellotti,M. Martin,M. Martinelli,D. Martinez Santos,F. Martinez Vidal,D. Martins Tostes,L. M. Massacrier,A. Massafferri,R. Matev,A. Mathad,Z. Mathe,C. Matteuzzi,A. Mauri,E. Maurice,B. Maurin,A. Mazurov,M. McCann,A. McNab,R. McNulty,J. V. Mead,B. Meadows,C. Meaux, F. Meier,N. Meinert,D. Melnychuk,M. Merk,A. Merli,E. Michielin,D. A. Milanes,E. Millard,M. -N. Minard,L. Minzoni,D. S. Mitzel, A. Mogini,J. Molina Rodriguez, T. Mombaecher,I. A. Monroy,S. Monteil,M. Morandin,M. J. Morello,O. Morgunova,J. Moron, A. B. Morris,R. Mountain,F. Muheim,M. Mulder, D. Mueller, J. Mueller, K. Mueller,V. Mueller, P. Naik, T. Nakada,R. Nandakumar, A. Nandi,I. Nasteva,M. Needham, N. Neri,S. Neubert,N. Neufeld,M. Neuner,T. D. Nguyen,C. Nguyen-Mau,S. 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C. dos Reis,C. Remon Alepuz,V. Renaudin,S. Ricciardi,S. Richards,M. Rihl,K. Rinnert,V. Rives Molina,P. Robbe,A. Robert,A. B. Rodrigues,E. Rodrigues,J. A. Rodriguez Lopez,P. Rodriguez Perez,A. Rogozhnikov,S. Roiser,A. Rollings,V. Romanovskiy,A. Romero Vidal,J. W. Ronayne,M. Rotondo,M. S. Rudolph,T. Ruf,P. Ruiz Valls,J. Ruiz Vidal,J. J. Saborido Silva,E. Sadykhov,N. Sagidova,B. Saitta,V. Salustino Guimaraes,C. Sanchez Mayordomo,B. Sanmartin Sedes,R. Santacesaria,C. Santamarina Rios,M. Santimaria,E. Santovetti,G. Sarpis,A. Sarti,C. Satriano,A. Satta,D. M. Saunders,D. Savrina,S. Schael,M. Schellenberg,M. Schiller,H. Schindler,M. Schlupp,M. Schmelling,T. Schmelzer, B. Schmidt,O. Schneider,A. Schopper,H. F. Schreiner,K. Schubert,M. Schubiger,M. -H. Schune,R. Schwemmer,B. Sciascia,A. Sciubba,A. Semennikov, E. S. Sepulveda,A. Sergi,N. Serra,J. Serrano,L. Sestini,P. Seyfert,M. Shapkin,I. Shapoval,Y. Shcheglov,T. Shears,L. Shekhtman,V. Shevchenko,B. G. Siddi,R. Silva Coutinho,L. Silva de Oliveira, G. Simi, S. Simone,M. Sirendi,N. Skidmore,T. Skwarnicki,E. Smith,I. T. Smith,J. Smith,M. Smith,L. Soares Lavra,M. D. Sokoloff,F. J. P. Soler,B. Souza De Paula,B. Spaan,P. Spradlin,S. Sridharan,F. Stagni,M. Stahl,S. Stahl,P. Stefko, S. Stefkova,O. Steinkamp,S. Stemmle,O. Stenyakin,M. Stepanova,H. Stevens,S. Stone,B. Storaci,S. Stracka,M. E. Stramaglia,M. Straticiuc,U. Straumann,L. Sun,W. Sutcliffe,K. Swientek,V. Syropoulos,M. Szczekowski,T. Szumlak,M. Szymanski,S. T'Jampens,A. Tayduganov,T. Tekampe,G. Tellarini,F. Teubert,E. Thomas,J. van Tilburg,M. J. Tilley,V. Tisserand,M. Tobin,S. Tolk,L. Tomassetti,D. Tonelli,F. Toriello,R. Tourinho Jadallah Aoude,E. Tournefier,M. Traill,M. T. Tran,M. Tresch,A. Trisovic,A. Tsaregorodtsev,P. Tsopelas,A. Tully, N. Tuning,A. Ukleja,A. Usachov,A. Ustyuzhanin,U. Uwer,C. Vacca,A. Vagner,V. Vagnoni,A. Valassi,S. Valat,G. Valenti,R. Vazquez Gomez,P. Vazquez Regueiro,S. Vecchi,M. van Veghel,J. J. Velthuis,M. Veltri,G. Veneziano,A. Venkateswaran,T. A. Verlage,M. Vernet,M. Vesterinen,J. V. Viana Barbosa,B. Viaud,D. Vieira,M. Vieites Diaz,H. Viemann,X. Vilasis-Cardona,M. Vitti,V. Volkov,A. Vollhardt,B. Voneki,A. Vorobyev,V. Vorobyev,C. Voss,J. A. de Vries,C. Vazquez Sierra,R. Waldi,C. Wallace,R. Wallace,J. Walsh,J. Wang,D. R. Ward,H. M. Wark,N. K. Watson,D. Websdale,A. Weiden,M. Whitehead,J. Wicht,G. Wilkinson,M. Wilkinson,M. Williams,M. P. Williams,T. Williams,F. F. Wilson,J. Wimberley,M. Winn,J. Wishahi,W. Wislicki,M. Witek,G. Wormser,S. A. Wotton,K. Wraight,K. Wyllie,Y. Xie,Z. Xu,Z. Yang,Y. Yao,H. Yin,J. Yu,X. Yuan,O. Yushchenko,K. A. Zarebski,M. Zavertyaev,L. Zhang,Y. Zhang,A. Zhelezov,Y. Zheng,X. Zhu,V. Zhukov,J. B. Zonneveld,S. Zucchelli
Physics letters B（2018）
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摘要
Measurements of CP observables in B-+/- -> D(*)K-+/- and B-+/- -> D(*)pi(+/-) decays are presented, where D(*) indicates a neutral Dor D* meson that is an admixture of D(*)(0) and (D) over bar(*)(0) states. Decays of the D* meson to the D pi(0)and D gamma final states are partially reconstructed without inclusion of the neutral pion or photon, resulting in distinctive shapes in the Bcandidate invariant mass distribution. Decays of the D meson are fully reconstructed in the K-+/-pi(-/+), K+K- and pi(+)pi(-) final states. The analysis uses a sample of charged Bmesons produced in ppcollisions collected by the LHCb experiment, corresponding to an integrated luminosity of 2.0, 1.0 and 2.0fb- 1taken at centre- of- mass energies of root s = 7, 8 and 13 TeV, respectively. The study of B-perpendicular to -> D*K-perpendicular to and B-perpendicular to -> D*pi(perpendicular to) decays using a partial reconstruction method is the first of its kind, while the measurement of B-+/- -> DK +/- and B-+/- -> D pi(+/-) decays is an update of previous LHCb measurements. The B-+/- -> DK +/- results are the most precise to date. (c) 2017 The Author. Published by Elsevier B. V.
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