First measurement of the CP-violating phase $$ {\phi}_s^{d\overline{d}} $$ in B0 s → (K+π−)(K−π+) decays

Author:

,Aaij R.,Adeva B.,Adinolfi M.,Ajaltouni Z.,Akar S.,Albrecht J.,Alessio F.,Alexander M.,Alfonso Albero A.,Ali S.,Alkhazov G.,Alvarez Cartelle P.,Alves A. A.,Amato S.,Amerio S.,Amhis Y.,An L.,Anderlini L.,Andreassi G.,Andreotti M.,Andrews J. E.,Appleby R. B.,Archilli F.,d’Argent P.,Arnau Romeu J.,Artamonov A.,Artuso M.,Aslanides E.,Atzeni M.,Auriemma G.,Baalouch M.,Babuschkin I.,Bachmann S.,Back J. J.,Badalov A.,Baesso C.,Baker S.,Balagura V.,Baldini W.,Baranov A.,Barlow R. J.,Barschel C.,Barsuk S.,Barter W.,Baryshnikov F.,Batozskaya V.,Battista V.,Bay A.,Beaucourt L.,Beddow J.,Bedeschi F.,Bediaga I.,Beiter A.,Bel L. J.,Beliy N.,Bellee V.,Belloli N.,Belous K.,Belyaev I.,Ben-Haim E.,Bencivenni G.,Benson S.,Beranek S.,Berezhnoy A.,Bernet R.,Berninghoff D.,Bertholet E.,Bertolin A.,Betancourt C.,Betti F.,Bettler M. O.,van Beuzekom M.,Bezshyiko Ia.,Bifani S.,Billoir P.,Birnkraut A.,Bizzeti A.,Bjørn M.,Blake T.,Blanc F.,Blusk S.,Bocci V.,Boettcher T.,Bondar A.,Bondar N.,Bordyuzhin I.,Borghi S.,Borisyak M.,Borsato M.,Bossu F.,Boubdir M.,Bowcock T. J. V.,Bowen E.,Bozzi C.,Braun S.,Brodzicka J.,Brundu D.,Buchanan E.,Burr C.,Bursche A.,Buytaert J.,Byczynski W.,Cadeddu S.,Cai H.,Calabrese R.,Calladine R.,Calvi M.,Calvo Gomez M.,Camboni A.,Campana P.,Campora Perez D. H.,Capriotti L.,Carbone A.,Carboni G.,Cardinale R.,Cardini A.,Carniti P.,Carson L.,Carvalho Akiba K.,Casse G.,Cassina L.,Cattaneo M.,Cavallero G.,Cenci R.,Chamont D.,Chapman M. G.,Charles M.,Charpentier Ph.,Chatzikonstantinidis G.,Chefdeville M.,Chen S.,Cheung S. F.,Chitic S.-G.,Chobanova V.,Chrzaszcz M.,Chubykin A.,Ciambrone P.,Cid Vidal X.,Ciezarek G.,Clarke P. E. L.,Clemencic M.,Cliff H. V.,Closier J.,Coco V.,Cogan J.,Cogneras E.,Cogoni V.,Cojocariu L.,Collins P.,Colombo T.,Comerma-Montells A.,Contu A.,Coombs G.,Coquereau S.,Corti G.,Corvo M.,Costa Sobral C. M.,Couturier B.,Cowan G. A.,Craik D. C.,Crocombe A.,Cruz Torres M.,Currie R.,D’Ambrosio C.,Da Cunha Marinho F.,Da Silva C. L.,Dall’Occo E.,Dalseno J.,Davis A.,De Aguiar Francisco O.,De Bruyn K.,De Capua S.,De Cian M.,De Miranda J. M.,De Paula L.,De Serio M.,De Simone P.,Dean C. T.,Decamp D.,Del Buono L.,Dembinski H.-P.,Demmer M.,Dendek A.,Derkach D.,Deschamps O.,Dettori F.,Dey B.,Di Canto A.,Di Nezza P.,Dijkstra H.,Dordei F.,Dorigo M.,Dosil Suárez A.,Douglas L.,Dovbnya A.,Dreimanis K.,Dufour L.,Dujany G.,Durante P.,Durham J. M.,Dutta D.,Dzhelyadin R.,Dziewiecki M.,Dziurda A.,Dzyuba A.,Easo S.,Egede U.,Egorychev V.,Eidelman S.,Eisenhardt S.,Eitschberger U.,Ekelhof R.,Eklund L.,Ely S.,Esen S.,Evans H. M.,Evans T.,Falabella A.,Farley N.,Farry S.,Fazzini D.,Federici L.,Ferguson D.,Fernandez G.,Fernandez Declara P.,Fernandez Prieto A.,Ferrari F.,Ferreira Lopes L.,Ferreira Rodrigues F.,Ferro-Luzzi M.,Filippov S.,Fini R. A.,Fiorini M.,Firlej M.,Fitzpatrick C.,Fiutowski T.,Fleuret F.,Fontana M.,Fontanelli F.,Forty R.,Franco Lima V.,Frank M.,Frei C.,Fu J.,Funk W.,Furfaro E.,Färber C.,Gabriel E.,Gallas Torreira A.,Galli D.,Gallorini S.,Gambetta S.,Gandelman M.,Gandini P.,Gao Y.,Garcia Martin L. M.,García Pardiñas J.,Garra Tico J.,Garrido L.,Gascon D.,Gaspar C.,Gavardi L.,Gazzoni G.,Gerick D.,Gersabeck E.,Gersabeck M.,Gershon T.,Ghez Ph.,Gianì S.,Gibson V.,Girard O. G.,Giubega L.,Gizdov K.,Gligorov V. V.,Golubkov D.,Golutvin A.,Gomes A.,Gorelov I. V.,Gotti C.,Govorkova E.,Grabowski J. P.,Graciani Diaz R.,Granado Cardoso L. A.,Graugés E.,Graverini E.,Graziani G.,Grecu A.,Greim R.,Griffith P.,Grillo L.,Gruber L.,Gruberg Cazon B. R.,Grünberg O.,Gushchin E.,Guz Yu.,Gys T.,Göbel C.,Hadavizadeh T.,Hadjivasiliou C.,Haefeli G.,Haen C.,Haines S. C.,Hamilton B.,Han X.,Hancock T. H.,Hansmann-Menzemer S.,Harnew N.,Harnew S. T.,Hasse C.,Hatch M.,He J.,Hecker M.,Heinicke K.,Heister A.,Hennessy K.,Henrard P.,Henry L.,van Herwijnen E.,Heß M.,Hicheur A.,Hill D.,Hopchev P. H.,Hu W.,Huang W.,Huard Z. C.,Hulsbergen W.,Humair T.,Hushchyn M.,Hutchcroft D.,Ibis P.,Idzik M.,Ilten P.,Jacobsson R.,Jalocha J.,Jans E.,Jawahery A.,Jiang F.,John M.,Johnson D.,Jones C. R.,Joram C.,Jost B.,Jurik N.,Kandybei S.,Karacson M.,Kariuki J. M.,Karodia S.,Kazeev N.,Kecke M.,Keizer F.,Kelsey M.,Kenzie M.,Ketel T.,Khairullin E.,Khanji B.,Khurewathanakul C.,Kim K. E.,Kirn T.,Klaver S.,Klimaszewski K.,Klimkovich T.,Koliiev S.,Kolpin M.,Kopecna R.,Koppenburg P.,Kosmyntseva A.,Kotriakhova S.,Kozeiha M.,Kravchuk L.,Kreps M.,Kress F.,Krokovny P.,Krzemien W.,Kucewicz W.,Kucharczyk M.,Kudryavtsev V.,Kuonen A. K.,Kvaratskheliya T.,Lacarrere D.,Lafferty G.,Lai A.,Lanfranchi G.,Langenbruch C.,Latham T.,Lazzeroni C.,Le Gac R.,Leflat A.,Lefrançois J.,Lefèvre R.,Lemaitre F.,Lemos Cid E.,Leroy O.,Lesiak T.,Leverington B.,Li P.-R.,Li T.,Li Y.,Li Z.,Liang X.,Likhomanenko T.,Lindner R.,Lionetto F.,Lisovskyi V.,Liu X.,Loh D.,Loi A.,Longstaff I.,Lopes J. H.,Lucchesi D.,Lucio Martinez M.,Luo H.,Lupato A.,Luppi E.,Lupton O.,Lusiani A.,Lyu X.,Machefert F.,Maciuc F.,Macko V.,Mackowiak P.,Maddrell-Mander S.,Maev O.,Maguire K.,Maisuzenko D.,Majewski M. W.,Malde S.,Malecki B.,Malinin A.,Maltsev T.,Manca G.,Mancinelli G.,Marangotto D.,Maratas J.,Marchand J. F.,Marconi U.,Marin Benito C.,Marinangeli M.,Marino P.,Marks J.,Martellotti G.,Martin M.,Martinelli M.,Martinez Santos D.,Martinez Vidal F.,Massafferri A.,Matev R.,Mathad A.,Mathe Z.,Matteuzzi C.,Mauri A.,Maurice E.,Maurin B.,Mazurov A.,McCann M.,McNab A.,McNulty R.,Mead J. V.,Meadows B.,Meaux C.,Meier F.,Meinert N.,Melnychuk D.,Merk M.,Merli A.,Michielin E.,Milanes D. A.,Millard E.,Minard M.-N.,Minzoni L.,Mitzel D. S.,Mogini A.,Molina Rodriguez J.,Mombächer T.,Monroy I. A.,Monteil S.,Morandin M.,Morello M. J.,Morgunova O.,Moron J.,Morris A. B.,Mountain R.,Muheim F.,Mulder M.,Müller D.,Müller J.,Müller K.,Müller V.,Naik P.,Nakada T.,Nandakumar R.,Nandi A.,Nasteva I.,Needham M.,Neri N.,Neubert S.,Neufeld N.,Neuner M.,Nguyen T. D.,Nguyen-Mau C.,Nieswand S.,Niet R.,Nikitin N.,Nikodem T.,Nogay A.,O’Hanlon D. P.,Oblakowska-Mucha A.,Obraztsov V.,Ogilvy S.,Oldeman R.,Onderwater C. J. G.,Ossowska A.,Otalora Goicochea J. M.,Owen P.,Oyanguren A.,Pais P. R.,Palano A.,Palutan M.,Panshin G.,Papanestis A.,Pappagallo M.,Pappalardo L. L.,Parker W.,Parkes C.,Passaleva G.,Pastore A.,Patel M.,Patrignani C.,Pearce A.,Pellegrino A.,Penso G.,Pepe Altarelli M.,Perazzini S.,Pereima D.,Perret P.,Pescatore L.,Petridis K.,Petrolini A.,Petrov A.,Petruzzo M.,Picatoste Olloqui E.,Pietrzyk B.,Pietrzyk G.,Pikies M.,Pinci D.,Pisani F.,Pistone A.,Piucci A.,Placinta V.,Playfer S.,Plo Casasus M.,Polci F.,Poli Lener M.,Poluektov A.,Polyakov I.,Polycarpo E.,Pomery G. J.,Ponce S.,Popov A.,Popov D.,Poslavskii S.,Potterat C.,Price E.,Prisciandaro J.,Prouve C.,Pugatch V.,Puig Navarro A.,Pullen H.,Punzi G.,Qian W.,Qin J.,Quagliani R.,Quintana B.,Rachwal B.,Rademacker J. H.,Rama M.,Ramos Pernas M.,Rangel M. S.,Raniuk I.,Ratnikov F.,Raven G.,Ravonel Salzgeber M.,Reboud M.,Redi F.,Reichert S.,dos Reis A. C.,Remon Alepuz C.,Renaudin V.,Ricciardi S.,Richards S.,Rihl M.,Rinnert K.,Robbe P.,Robert A.,Rodrigues A. B.,Rodrigues E.,Rodriguez Lopez J. A.,Rogozhnikov A.,Roiser S.,Rollings A.,Romanovskiy V.,Romero Vidal A.,Rotondo M.,Rudolph M. S.,Ruf T.,Ruiz Valls P.,Ruiz Vidal J.,Saborido Silva J. J.,Sadykhov E.,Sagidova N.,Saitta B.,Salustino Guimaraes V.,Sanchez Mayordomo C.,Sanmartin Sedes B.,Santacesaria R.,Santamarina Rios C.,Santimaria M.,Santovetti E.,Sarpis G.,Sarti A.,Satriano C.,Satta A.,Saunders D. M.,Savrina D.,Schael S.,Schellenberg M.,Schiller M.,Schindler H.,Schmelling M.,Schmelzer T.,Schmidt B.,Schneider O.,Schopper A.,Schreiner H. F.,Schubiger M.,Schune M. H.,Schwemmer R.,Sciascia B.,Sciubba A.,Semennikov A.,Sepulveda E. S.,Sergi A.,Serra N.,Serrano J.,Sestini L.,Seyfert P.,Shapkin M.,Shapoval I.,Shcheglov Y.,Shears T.,Shekhtman L.,Shevchenko V.,Siddi B. G.,Silva Coutinho R.,Silva de Oliveira L.,Simi G.,Simone S.,Sirendi M.,Skidmore N.,Skwarnicki T.,Smith I. T.,Smith J.,Smith M.,Soares Lavra l.,Sokoloff M. D.,Soler F. J. P.,Souza De Paula B.,Spaan B.,Spradlin P.,Sridharan S.,Stagni F.,Stahl M.,Stahl S.,Stefko P.,Stefkova S.,Steinkamp O.,Stemmle S.,Stenyakin O.,Stepanova M.,Stevens H.,Stone S.,Storaci B.,Stracka S.,Stramaglia M. E.,Straticiuc M.,Straumann U.,Strokov S.,Sun J.,Sun L.,Swientek K.,Syropoulos V.,Szumlak T.,Szymanski M.,T’Jampens S.,Tayduganov A.,Tekampe T.,Tellarini G.,Teubert F.,Thomas E.,van Tilburg J.,Tilley M. J.,Tisserand V.,Tobin M.,Tolk S.,Tomassetti L.,Tonelli D.,Tourinho Jadallah Aoude R.,Tournefier E.,Traill M.,Tran M. T.,Tresch M.,Trisovic A.,Tsaregorodtsev A.,Tsopelas P.,Tully A.,Tuning N.,Ukleja A.,Usachov A.,Ustyuzhanin A.,Uwer U.,Vacca C.,Vagner A.,Vagnoni V.,Valassi A.,Valat S.,Valenti G.,Vazquez Gomez R.,Vazquez Regueiro P.,Vecchi S.,van Veghel M.,Velthuis J. J.,Veltri M.,Veneziano G.,Venkateswaran A.,Verlage T. A.,Vernet M.,Vesterinen M.,Viana Barbosa J. V.,Vieira D.,Vieites Diaz M.,Viemann H.,Vilasis-Cardona X.,Vitti M.,Volkov V.,Vollhardt A.,Voneki B.,Vorobyev A.,Vorobyev V.,Voß C.,de Vries J. A.,Vázquez Sierra C.,Waldi R.,Walsh J.,Wang J.,Wang Y.,Ward D. R.,Wark H. M.,Watson N. K.,Websdale D.,Weiden A.,Weisser C.,Whitehead M.,Wicht J.,Wilkinson G.,Wilkinson M.,Williams M.,Williams M.,Williams T.,Wilson F. F.,Wimberley J.,Winn M.,Wishahi J.,Wislicki W.,Witek M.,Wormser G.,Wotton S. A.,Wyllie K.,Xie Y.,Xu M.,Xu Q.,Xu Z.,Xu Z.,Yang Z.,Yang Z.,Yao Y.,Yin H.,Yu J.,Yuan X.,Yushchenko O.,Zarebski K. A.,Zavertyaev M.,Zhang L.,Zhang Y.,Zhelezov A.,Zheng Y.,Zhu X.,Zhukov V.,Zonneveld J. B.,Zucchelli S.

Abstract

Abstract A flavour-tagged decay-time-dependent amplitude analysis of B s 0  → (K + π )(K π +) decays is presented in the K ± π mass range from 750 to 1600MeV/c 2. The analysis uses pp collision data collected with the LHCb detector at centre-of-mass energies of 7 and 8 TeV, corresponding to an integrated luminosity of 3.0 fb−1. Several quasi-two-body decay modes are considered, corresponding to K ± π combinations with spin 0, 1 and 2, which are dominated by the K 0 * (800)0 and K 0 * (1430)0, the K *(892)0 and the K 2 * (1430)0 resonances, respectively. The longitudinal polarisation fraction for the $$ {B}_s^0\to {K}^{\ast }(892){}^{\circ}{\overline{K}}^{\ast }{(892)}^0 $$ B s 0 K 892 ° K ¯ 892 0 decay is measured as f L = 0.208 ± 0.032 ± 0.046, where the first uncertainty is statistical and the second is systematic. The first measurement of the mixing-induced CP-violating phase, $$ {\phi}_s^{d\overline{d}} $$ ϕ s d d ¯ , in $$ b\to d\overline{d}s $$ b d d ¯ s transitions is performed, yielding a value of $$ {\phi}_s^{d\overline{d}}=-0.10\pm 0.13\left(\mathrm{stat}\right)\pm 0.14 $$ ϕ s d d ¯ = 0.10 ± 0.13 stat ± 0.14 (syst) rad.

Publisher

Springer Science and Business Media LLC

Subject

Nuclear and High Energy Physics

Reference44 articles.

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