Search for CP violation through an amplitude analysis of D0 → K+K−π+π− decays-Reference-Cited by-同舟云学术

Search for CP violation through an amplitude analysis of D0 → K+K−π+π− decays

Published:2019-02 Issue:2 Volume:2019 Page:
ISSN:1029-8479
Container-title:Journal of High Energy Physics
language:en
Short-container-title:J. High Energ. Phys.

Author:

,Aaij R.,Abellán Beteta C.,Adeva B.,Adinolfi M.,Aidala C. A.,Ajaltouni Z.,Akar S.,Albicocco P.,Albrecht J.,Alessio F.,Alexander M.,Alfonso Albero A.,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.,Archilli F.,Arnau Romeu J.,Artamonov A.,Artuso M.,Arzymatov K.,Aslanides E.,Atzeni M.,Audurier B.,Bachmann S.,Back J. J.,Baker S.,Balagura V.,Baldini W.,Baranov A.,Barlow R. J.,Barrand G. C.,Barsuk S.,Barter W.,Bartolini M.,Baryshnikov F.,Batozskaya V.,Batsukh B.,Battig A.,Battista V.,Bay A.,Beddow J.,Bedeschi F.,Bediaga I.,Beiter A.,Bel L. J.,Belin S.,Beliy N.,Bellee V.,Belloli N.,Belous K.,Belyaev I.,Bencivenni G.,Ben-Haim E.,Benson S.,Beranek S.,Berezhnoy A.,Bernet R.,Berninghoff D.,Bertholet E.,Bertolin A.,Betancourt C.,Betti F.,Bettler M. O.,Bezshyiko Ia.,Bhasin S.,Bhom J.,Bifani S.,Billoir P.,Birnkraut A.,Bizzeti A.,Bjørn M.,Blago M. P.,Blake T.,Blanc F.,Blusk S.,Bobulska D.,Bocci V.,Boente Garcia O.,Boettcher T.,Bondar A.,Bondar N.,Borghi S.,Borisyak M.,Borsato M.,Bossu F.,Boubdir M.,Bowcock T. J. V.,Bozzi C.,Braun S.,Brodski M.,Brodzicka J.,Brossa Gonzalo A.,Brundu D.,Buchanan E.,Buonaura A.,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.,Chekalina V.,Chen C.,Chen S.,Chitic S.-G.,Chobanova V.,Chrzaszcz M.,Chubykin A.,Ciambrone P.,Cid Vidal X.,Ciezarek G.,Cindolo F.,Clarke P. E. L.,Clemencic M.,Cliff H. V.,Closier J.,Coco V.,Coelho J. A. B.,Cogan J.,Cogneras E.,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.,Da Cunha Marinho F.,Da Silva C. L.,Dall’Occo E.,Dalseno J.,D’Ambrosio C.,Danilina A.,d’Argent P.,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.,de Vries J. A.,Dean C. T.,Decamp D.,Del Buono L.,Delaney B.,Dembinski H.-P.,Demmer M.,Dendek A.,Derkach D.,Deschamps O.,Desse F.,Dettori F.,Dey B.,Di Canto A.,Di Nezza P.,Didenko S.,Dijkstra H.,Dordei F.,Dorigo M.,dos Reis A. C.,Dosil Suárez A.,Douglas L.,Dovbnya A.,Dreimanis K.,Dufour L.,Dujany G.,Durante P.,Durham J. 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R.,Pajero T.,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.,Petrucci S.,Petruzzo M.,Pietrzyk B.,Pietrzyk G.,Pikies M.,Pili M.,Pinci D.,Pinzino J.,Pisani F.,Piucci A.,Placinta V.,Playfer S.,Plews J.,Plo Casasus M.,Polci F.,Poli Lener M.,Poluektov A.,Polukhina N.,Polyakov I.,Polycarpo E.,Pomery G. J.,Ponce S.,Popov A.,Popov D.,Poslavskii S.,Price E.,Prisciandaro J.,Prouve C.,Pugatch V.,Puig Navarro A.,Pullen H.,Punzi G.,Qian W.,Qin J.,Quagliani R.,Quintana B.,Raab N. V.,Rachwal B.,Rademacker J. H.,Rama M.,Ramos Pernas M.,Rangel M. S.,Ratnikov F.,Raven G.,Ravonel Salzgeber M.,Reboud M.,Redi F.,Reichert S.,Reiss F.,Remon Alepuz C.,Ren Z.,Renaudin V.,Ricciardi S.,Richards S.,Rinnert K.,Robbe P.,Robert A.,Rodrigues A. B.,Rodrigues E.,Rodriguez Lopez J. A.,Roehrken M.,Roiser S.,Rollings A.,Romanovskiy V.,Romero Vidal A.,Rotondo M.,Rudolph M. S.,Ruf T.,Ruiz Vidal J.,Saborido Silva J. J.,Sagidova N.,Saitta B.,Salustino Guimaraes V.,Sanchez Gras C.,Sanchez Mayordomo C.,Sanmartin Sedes B.,Santacesaria R.,Santamarina Rios C.,Santimaria M.,Santovetti E.,Sarpis G.,Sarti A.,Satriano C.,Satta A.,Saur 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.^ORCID,Schulte S.,Schune M. H.,Schwemmer R.,Sciascia B.,Sciubba A.,Semennikov A.,Sepulveda E. S.,Sergi A.,Serra N.,Serrano J.,Sestini L.,Seuthe A.,Seyfert P.,Shapkin M.,Shcheglov Y.,Shears T.,Shekhtman L.,Shevchenko V.,Shmanin E.,Siddi B. G.,Silva Coutinho R.,Silva de Oliveira L.,Simi G.,Simone S.,Skiba I.,Skidmore N.,Skwarnicki T.,Slater M. W.,Smeaton J. G.,Smith E.,Smith I. T.,Smith M.,Soares M.,Soares Lavra l.,Sokoloff M. D.,Soler F. J. 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V.,Vieira D.,Vieites Diaz M.,Viemann H.,Vilasis-Cardona X.,Vitkovskiy A.,Vitti M.,Volkov V.,Vollhardt A.,Vom Bruch D.,Voneki B.,Vorobyev A.,Vorobyev V.,Voropaev N.,Waldi R.,Walsh J.,Wang J.,Wang M.,Wang Y.,Wang Z.,Ward D. R.,Wark H. M.,Watson N. K.,Websdale D.,Weiden A.,Weisser C.,Whitehead M.,Wicht J.,Wilkinson G.,Wilkinson M.,Williams I.,Williams M.,Williams M. R. J.,Williams T.,Wilson F. F.,Winn M.,Wislicki W.,Witek M.,Wormser G.,Wotton S. A.,Wyllie K.,Xiao D.,Xie Y.,Xu A.,Xu M.,Xu Q.,Xu Z.,Xu Z.,Yang Z.,Yang Z.,Yao Y.,Yeomans L. E.,Yin H.,Yu J.,Yuan X.,Yushchenko O.,Zarebski K. A.,Zavertyaev M.,Zhang D.,Zhang L.,Zhang W. C.,Zhang Y.,Zhelezov A.,Zheng Y.,Zhu X.,Zhukov V.,Zonneveld J. B.,Zucchelli S.

Abstract

Abstract A search for CP violation in the Cabibbo-suppressed D 0 → K + K −π+π− decay mode is performed using an amplitude analysis. The measurement uses a sample of pp collisions recorded by the LHCb experiment during 2011 and 2012, corresponding to an integrated luminosity of 3.0 fb−1. The D 0 mesons are reconstructed from semileptonic b-hadron decays into D 0 μ − X final states. The selected sample contains more than 160 000 signal decays, allowing the most precise amplitude modelling of this D 0 decay to date. The obtained amplitude model is used to perform the search for CP violation. The result is compatible with CP symmetry, with a sensitivity ranging from 1% to 15% depending on the amplitude considered.

Publisher

Springer Science and Business Media LLC

Subject

Nuclear and High Energy Physics

Link

https://link.springer.com/content/pdf/10.1007/JHEP02(2019)126.pdf

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