@article{e6c1415bd44643c09e902607a1a9b97a,
title = "Measurement of CP asymmetries in D(s)+→ηπ+ and D(s)+→η′π+ decays",
abstract = "Searches for CP violation in the decays D(s)+→ηπ+ and D(s)+→η′π+ are performed using pp collision data corresponding to 6 fb−1 of integrated luminosity collected by the LHCb experiment. The calibration channels D(s)+→ϕπ+ are used to remove production and detection asymmetries. The resulting CP-violating asymmetries areACP=(D+→ηπ+)=(0.34±0.66±0.16±0.05)\%,ACP=(Ds+→ηπ+)=(0.32±0.51±0.12)\%,ACP=(D+→η′π+)=(0.49±0.18±0.06±0.05)\%,ACP=(Ds+→η′π+)=(0.01±0.12±0.08)\%, where the first uncertainty is statistical, the second is systematic and the third, relevant for the D+ channels, is due to the uncertainty on ACP= (D+→ ϕπ+). These measurements, currently the most precise for three of the four channels considered, are consistent with the absence of CP violation. A combination of these results with previous LHCb measurements is presented. [Figure not available: see fulltext.].",
author = "R. Aaij and A.S.W. Abdelmotteleb and \{Abellan Beteta\}, C. and F. Abudin{\'e}n and T. Ackernley and B. Adeva and M. Adinolfi and H. Afsharnia and C. Agapopoulou and C.A. Aidala and S. Aiola and Z. Ajaltouni and S. Akar and K. Akiba and J. Albrecht and F. Alessio and M. Alexander and \{Alfonso Albero\}, A. and Z. Aliouche and \{Alvarez Cartelle\}, P. and S. Amato and J.L. Amey and Y. Amhis and L. An and L. Anderlini and M. Andersson and A. Andreianov and M. Andreotti and D. Ao and F. Archilli and A. Artamonov and M. Artuso and K. Arzymatov and E. Aslanides and M. Atzeni and B. Audurier and S. Bachmann and M. Bachmayer and J.J. Back and A. Bailly-reyre and \{Baladron Rodriguez\}, P. and V. Balagura and W. Baldini and \{Baptista de Souza Leite\}, J. and M. Barbetti and R.J. Barlow and S. Barsuk and W. Barter and M. Bartolini and F. Baryshnikov and J.M. Basels and G. Bassi and B. Batsukh and A. Battig and A. Bay and A. Beck and M. Becker and F. Bedeschi and I.B. Bediaga and A. Beiter and V. Belavin and S. Belin and V. Bellee and K. Belous and I. Belov and I. Belyaev and G. Bencivenni and E. Ben-Haim and A. Berezhnoy and R. Bernet and D. Berninghoff and H.C. Bernstein and C. Bertella and A. Bertolin and C. Betancourt and F. Betti and Ia. Bezshyiko and S. Bhasin and J. Bhom and L. Bian and M.S. Bieker and N.V. Biesuz and S. Bifani and P. Billoir and A. Biolchini and M. Birch and F.C.R. Bishop and A. Bitadze and A. Bizzeti and M. Bj{\o}rn and M.P. Blago and T. Blake and F. Blanc and S. Blusk and D. Bobulska and J.A. Boelhauve and \{Boente Garcia\}, O. and T. Boettcher and A. Boldyrev and N. Bondar and S. Borghi and M. Borisyak and M. Borsato and J.T. Borsuk and S.A. Bouchiba and T.J.V. Bowcock and A. Boyer and C. Bozzi and M.J. Bradley and S. Braun and \{Brea Rodriguez\}, A. and J. Brodzicka and \{Brossa Gonzalo\}, A. and D. Brundu and A. Buonaura and L. Buonincontri and A.T. Burke and C. Burr and A. Bursche and A. Butkevich and J.S. Butter and J. Buytaert and W. Byczynski and S. Cadeddu and H. Cai and R. Calabrese and L. Calefice and S. Cali and R. Calladine and M. Calvi and \{Calvo Gomez\}, M. and \{Camargo Magalhaes\}, P. and P. Campana and \{Campoverde Quezada\}, A.F. and S. Capelli and L. Capriotti and A. Carbone and G. Carboni and R. Cardinale and A. Cardini and I. Carli and P. Carniti and L. Carus and \{Casais Vidal\}, A. and R. Caspary and G. Casse and M. Cattaneo and G. Cavallero and V. Cavallini and S. Celani and J. Cerasoli and D. Cervenkov and A.J. Chadwick and M.G. Chapman and M. Charles and Ph. Charpentier and \{Chavez Barajas\}, C.A. and M. Chefdeville and C. Chen and S. Chen and A. Chernov and V. Chobanova and S. Cholak and M. Chrzaszcz and A. Chubykin and V. Chulikov and P. Ciambrone and M.F. Cicala and \{Cid Vidal\}, X. and G. Ciezarek and P.E.L. Clarke and M. Clemencic and H.V. Cliff and J. Closier and J.L. Cobbledick and V. Coco and J.A.B. Coelho and J. Cogan and E. Cogneras and L. Cojocariu and P. Collins and T. Colombo and L. Congedo and A. Contu and N. Cooke and G. Coombs and I. Corredoira and G. Corti and \{Costa Sobral\}, C.M. and B. Couturier and D.C. Craik and J. Crkovsk{\'a} and \{Cruz Torres\}, M. and R. Currie and \{Da Silva\}, C.L. and S. Dadabaev and L. Dai and E. Dall{\textquoteright}Occo and J. Dalseno and C. D{\textquoteright}Ambrosio and A. Danilina and P. d{\textquoteright}Argent and J.E. Davies and A. Davis and \{De Aguiar Francisco\}, O. and \{de Boer\}, J. and \{De Bruyn\}, K. and \{De Capua\}, S. and \{De Cian\}, M. and \{De Freitas Carneiro Da Graca\}, U. and \{De Lucia\}, E. and \{De Miranda\}, J.M. and \{De Paula\}, L. and \{De Serio\}, M. and \{De Simone\}, D. and \{De Simone\}, P. and \{De Vellis\}, F. and \{de Vries\}, J.A. and C.T. Dean and F. Debernardis and D. Decamp and V. Dedu and \{Del Buono\}, L. and B. Delaney and H.-P. Dembinski and V. Denysenko and O. Deschamps and F. Dettori and B. Dey and \{Di Cicco\}, A. and \{Di Nezza\}, P. and S. Didenko and \{Dieste Maronas\}, L. and H. Dijkstra and S. Ding and V. Dobishuk and C. Dong and A.M. Donohoe and F. Dordei and \{dos Reis\}, A.C. and L. Douglas and A.G. Downes and M.W. Dudek and L. Dufour and V. Duk and P. Durante and J.M. Durham and D. Dutta and A. Dziurda and A. Dzyuba and S. Easo and U. Egede and V. Egorychev and S. Eidelman and S. Eisenhardt and S. Ek-In and L. Eklund and S. Ely and A. Ene and E. Epple and S. Escher and J. Eschle and S. Esen and T. Evans and L.N. Falcao and Y. Fan and B. Fang and S. Farry and D. Fazzini and M. Feo and \{Fernandez Prieto\}, A. and A.D. Fernez and F. Ferrari and \{Ferreira Lopes\}, L. and \{Ferreira Rodrigues\}, F. and \{Ferreres Sole\}, S. and M. Ferrillo and M. Ferro-Luzzi and S. Filippov and R.A. Fini and M. Fiorini and M. Firlej and K.M. Fischer and D.S. Fitzgerald and C. Fitzpatrick and T. Fiutowski and F. Fleuret and M. Fontana and F. Fontanelli and R. Forty and D. Foulds-Holt and \{Franco Lima\}, V. and \{Franco Sevilla\}, M. and M. Frank and E. Franzoso and G. Frau and C. Frei and D.A. Friday and J. Fu and Q. Fuehring and E. Gabriel and G. Galati and \{Gallas Torreira\}, A. and D. Galli and S. Gambetta and Y. Gan and M. Gandelman and P. Gandini and Y. Gao and M. Garau and \{Garcia Martin\}, L.M. and \{Garcia Moreno\}, P. and \{Garc{\'i}a Pardi{\~n}as\}, J. and \{Garcia Plana\}, B. and \{Garcia Rosales\}, F.A. and L. Garrido and C. Gaspar and R.E. Geertsema and D. Gerick and L.L. Gerken and E. Gersabeck and M. Gersabeck and T. Gershon and D. Gerstel and L. Giambastiani and V. Gibson and H.K. Giemza and A.L. Gilman and M. Giovannetti and A. Giovent{\`u} and \{Gironella Gironell\}, P. and C. Giugliano and K. Gizdov and E.L. Gkougkousis and V.V. Gligorov and C. G{\"o}bel and E. Golobardes and D. Golubkov and A. Golutvin and A. Gomes and \{Gomez Fernandez\}, S. and \{Goncalves Abrantes\}, F. and M. Goncerz and G. Gong and I.V. Gorelov and C. Gotti and J.P. Grabowski and T. Grammatico and \{Granado Cardoso\}, L.A. and E. Graug{\'e}s and E. Graverini and G. Graziani and A.T. Grecu and L.M. Greeven and N.A. Grieser and L. Grillo and S. Gromov and \{Gruberg Cazon\}, B.R. and C. Gu and M. Guarise and M. Guittiere and P.A. G{\"u}nther and E. Gushchin and A. Guth and Y. Guz and T. Gys and T. Hadavizadeh and G. Haefeli and C. Haen and J. Haimberger and S.C. Haines and T. Halewood-leagas and M.M. Halvorsen and P.M. Hamilton and J. Hammerich and Q. Han and X. Han and E.B. Hansen and S. Hansmann-Menzemer and N. Harnew and T. Harrison and C. Hasse and M. Hatch and J. He and M. Hecker and K. Heijhoff and K. Heinicke and R.D.L. Henderson and A.M. Hennequin and K. Hennessy and L. Henry and J. Heuel and A. Hicheur and D. Hill and M. Hilton and S.E. Hollitt and R. Hou and Y. Hou and J. Hu and J. Hu and W. Hu and X. Hu and W. Huang and X. Huang and W. Hulsbergen and R.J. Hunter and M. Hushchyn and D. Hutchcroft and D. Hynds and P. Ibis and M. Idzik and D. Ilin and P. Ilten and A. Inglessi and A. Ishteev and K. Ivshin and R. Jacobsson and H. Jage and S. Jakobsen and E. Jans and B.K. Jashal and A. Jawahery and V. Jevtic and X. Jiang and M. John and D. Johnson and C.R. Jones and T.P. Jones and B. Jost and N. Jurik and S. Kandybei and Y. Kang and M. Karacson and D. Karpenkov and M. Karpov and J.W. Kautz and F. Keizer and D.M. Keller and M. Kenzie and T. Ketel and B. Khanji and A. Kharisova and S. Kholodenko and T. Kirn and V.S. Kirsebom and O. Kitouni and S. Klaver and N. Kleijne and K. Klimaszewski and M.R. Kmiec and S. Koliiev and A. Kondybayeva and A. Konoplyannikov and P. Kopciewicz and R. Kopecna and P. Koppenburg and M. Korolev and I. Kostiuk and O. Kot and S. Kotriakhova and A. Kozachuk and P. Kravchenko and L. Kravchuk and R.D. Krawczyk and M. Kreps and S. Kretzschmar and P. Krokovny and W. Krupa and W. Krzemien and J. Kubat and W. Kucewicz and M. Kucharczyk and V. Kudryavtsev and H.S. Kuindersma and G.J. Kunde and T. Kvaratskheliya and D. Lacarrere and G. Lafferty and A. Lai and A. Lampis and D. Lancierini and J.J. Lane and R. Lane and G. Lanfranchi and C. Langenbruch and J. Langer and O. Lantwin and T. Latham and F. Lazzari and M. Lazzaroni and \{Le Gac\}, R. and S.H. Lee and R. Lef{\`e}vre and A. Leflat and S. Legotin and O. Leroy and T. Lesiak and B. Leverington and H. Li and P. Li and S. Li and Y. Li and Z. Li and X. Liang and T. Lin and R. Lindner and V. Lisovskyi and R. Litvinov and G. Liu and H. Liu and Q. Liu and S. Liu and \{Lobo Salvia\}, A. and A. Loi and R. Lollini and \{Lomba Castro\}, J. and I. Longstaff and J.H. Lopes and \{L{\'o}pez Soli{\~n}o\}, S. and G.H. Lovell and Y. Lu and C. Lucarelli and D. Lucchesi and S. Luchuk and \{Lucio Martinez\}, M. and V. Lukashenko and Y. Luo and A. Lupato and E. Luppi and O. Lupton and A. Lusiani and X.-R. Lyu and L. Ma and R. Ma and S. Maccolini and F. Machefert and F. Maciuc and V. Macko and P. Mackowiak and S. Maddrell-Mander and \{Madhan Mohan\}, L.R. and A. Maevskiy and D. Maisuzenko and M.W. Majewski and J.J. Malczewski and S. Malde and B. Malecki and A. Malinin and T. Maltsev and H. Malygina and G. Manca and G. Mancinelli and D. Manuzzi and C.A. Manzari and D. Marangotto and J.M. Maratas and J.F. Marchand and U. Marconi and S. Mariani and \{Marin Benito\}, C. and M. Marinangeli and J. Marks and A.M. Marshall and P.J. Marshall and G. Martelli and G. Martellotti and L. Martinazzoli and M. Martinelli and \{Martinez Santos\}, D. and \{Martinez Vidal\}, F. and A. Massafferri and M. Materok and R. Matev and A. Mathad and V. Matiunin and C. Matteuzzi and K.R. Mattioli and A. Mauri and E. Maurice and J. Mauricio and M. Mazurek and M. McCann and L. Mcconnell and T.H. McGrath and N.T. McHugh and A. McNab and R. McNulty and J.V. Mead and B. Meadows and G. Meier and D. Melnychuk and S. Meloni and M. Merk and A. Merli and \{Meyer Garcia\}, L. and M. Mikhasenko and D.A. Milanes and E. Millard and M. Milovanovic and M.-N. Minard and A. Minotti and S.E. Mitchell and B. Mitreska and D.S. Mitzel and A. M{\"o}dden and R.A. Mohammed and R.D. Moise and S. Mokhnenko and T. Momb{\"a}cher and I.A. Monroy and S. Monteil and M. Morandin and G. Morello and M.J. Morello and J. Moron and A.B. Morris and A.G. Morris and R. Mountain and H. Mu and F. Muheim and M. Mulder and K. M{\"u}ller and C.H. Murphy and D. Murray and R. Murta and P. Muzzetto and P. Naik and T. Nakada and R. Nandakumar and T. Nanut and I. Nasteva and M. Needham and N. Neri and S. Neubert and N. Neufeld and P. Neustroev and R. Newcombe and E.M. Niel and S. Nieswand and N. Nikitin and N.S. Nolte and C. Normand and C. Nunez and A. Oblakowska-Mucha and V. Obraztsov and T. Oeser and D.P. O{\textquoteright}Hanlon and S. Okamura and R. Oldeman and F. Oliva and M.E. Olivares and C.J.G. Onderwater and R.H. O{\textquoteright}Neil and \{Otalora Goicochea\}, J.M. and T. Ovsiannikova and P. Owen and A. Oyanguren and O. Ozcelik and K.O. Padeken and B. Pagare and P.R. Pais and T. Pajero and A. Palano and M. Palutan and Y. Pan and G. Panshin and A. Papanestis and M. Pappagallo and L.L. Pappalardo and C. Pappenheimer and W. Parker and C. Parkes and B. Passalacqua and G. Passaleva and A. Pastore and M. Patel and C. Patrignani and C.J. Pawley and A. Pearce and A. Pellegrino and \{Pepe Altarelli\}, M. and S. Perazzini and D. Pereima and \{Pereiro Castro\}, A. and P. Perret and M. Petric and K. Petridis and A. Petrolini and A. Petrov and S. Petrucci and M. Petruzzo and H. Pham and A. Philippov and R. Piandani and L. Pica and M. Piccini and B. Pietrzyk and G. Pietrzyk and M. Pili and D. Pinci and F. Pisani and M. Pizzichemi and V. Placinta and J. Plews and \{Plo Casasus\}, M. and F. Polci and \{Poli Lener\}, M. and M. Poliakova and A. Poluektov and N. Polukhina and I. Polyakov and E. Polycarpo and S. Ponce and D. Popov and S. Popov and S. Poslavskii and K. Prasanth and L. Promberger and C. Prouve and V. Pugatch and V. Puill and G. Punzi and H.R. Qi and W. Qian and N. Qin and R. Quagliani and N.V. Raab and \{Rabadan Trejo\}, R.I. and B. Rachwal and J.H. Rademacker and R. Rajagopalan and M. Rama and \{Ramos Pernas\}, M. and M.S. Rangel and F. Ratnikov and G. Raven and M. Reboud and F. Redi and F. Reiss and \{Remon Alepuz\}, C. and Z. Ren and V. Renaudin and P.K. Resmi and R. Ribatti and A.M. Ricci and S. Ricciardi and K. Rinnert and P. Robbe and G. Robertson and A.B. Rodrigues and E. Rodrigues and \{Rodriguez Lopez\}, J.A. and \{Rodriguez Rodriguez\}, E. and A. Rollings and P. Roloff and V. Romanovskiy and \{Romero Lamas\}, M. and \{Romero Vidal\}, A. and J.D. Roth and M. Rotondo and M.S. Rudolph and T. Ruf and \{Ruiz Fernandez\}, R.A. and \{Ruiz Vidal\}, J. and A. Ryzhikov and J. Ryzka and \{Saborido Silva\}, J.J. and N. Sagidova and N. Sahoo and B. Saitta and M. Salomoni and \{Sanchez Gras\}, C. and R. Santacesaria and \{Santamarina Rios\}, C. and M. Santimaria and E. Santovetti and D. Saranin and G. Sarpis and M. Sarpis and A. Sarti and C. Satriano and A. Satta and M. Saur and D. Savrina and H. Sazak and \{Scantlebury Smead\}, L.G. and A. Scarabotto and S. Schael and S. Scherl and M. Schiller and H. Schindler and M. Schmelling and B. Schmidt and S. Schmitt and O. Schneider and A. Schopper and M. Schubiger and S. Schulte and M.H. Schune and R. Schwemmer and B. Sciascia and A. Sciuccati and S. Sellam and A. Semennikov and \{Senghi Soares\}, M. and A. Sergi and N. Serra and L. Sestini and A. Seuthe and Y. Shang and D.M. Shangase and M. Shapkin and I. Shchemerov and L. Shchutska and T. Shears and L. Shekhtman and Z. Shen and S. Sheng and V. Shevchenko and E.B. Shields and Y. Shimizu and E. Shmanin and J.D. Shupperd and B.G. Siddi and \{Silva Coutinho\}, R. and G. Simi and S. Simone and M. Singla and N. Skidmore and R. Skuza and T. Skwarnicki and M.W. Slater and I. Slazyk and J.C. Smallwood and J.G. Smeaton and E. Smith and M. Smith and A. Snoch and \{Soares Lavra\}, L. and M.D. Sokoloff and F.J.P. Soler and A. Solomin and A. Solovev and I. Solovyev and \{Souza De Almeida\}, F.L. and \{Souza De Paula\}, B. and B. Spaan and \{Spadaro Norella\}, E. and E. Spiridenkov and P. Spradlin and F. Stagni and M. Stahl and S. Stahl and S. Stanislaus and O. Steinkamp and O. Stenyakin and H. Stevens and S. Stone and S. Stracka and D. Strekalina and F. Suljik and J. Sun and L. Sun and Y. Sun and P. Svihra and P.N. Swallow and K. Swientek and A. Szabelski and T. Szumlak and M. Szymanski and S. Taneja and A.R. Tanner and M.D. Tat and A. Terentev and F. Teubert and E. Thomas and D.J.D. Thompson and K.A. Thomson and H. Tilquin and V. Tisserand and S. T{\textquoteright}Jampens and M. Tobin and L. Tomassetti and X. Tong and \{Torres Machado\}, D. and D.Y. Tou and E. Trifonova and S.M. Trilov and C. Trippl and G. Tuci and A. Tully and N. Tuning and A. Ukleja and D.J. Unverzagt and E. Ursov and A. Usachov and A. Ustyuzhanin and U. Uwer and A. Vagner and V. Vagnoni and A. Valassi and G. Valenti and \{Valls Canudas\}, N. and \{van Beuzekom\}, M. and \{Van Dijk\}, M. and \{Van Hecke\}, H. and \{van Herwijnen\}, E. and \{van Veghel\}, M. and \{Vazquez Gomez\}, R. and \{Vazquez Regueiro\}, P. and \{V{\'a}zquez Sierra\}, C. and S. Vecchi and J.J. Velthuis and M. Veltri and A. Venkateswaran and M. Veronesi and M. Vesterinen and D. Vieira and \{Vieites Diaz\}, M. and H. Viemann and X. Vilasis-Cardona and \{Vilella Figueras\}, E. and A. Villa and P. Vincent and F.C. Volle and \{vom Bruch\}, D. and A. Vorobyev and V. Vorobyev and N. Voropaev and K. Vos and R. Waldi and J. Walsh and C. Wang and J. Wang and J. Wang and J. Wang and J. Wang and M. Wang and R. Wang and Y. Wang and Z. Wang and Z. Wang and Z. Wang and J.A. Ward and N.K. Watson and D. Websdale and C. Weisser and B.D.C. Westhenry and D.J. White and M. Whitehead and A.R. Wiederhold and D. Wiedner and G. Wilkinson and M.K. Wilkinson and I. Williams and M. Williams and M.R.J. Williams and F.F. Wilson and W. Wislicki and M. Witek and L. Witola and G. Wormser and S.A. Wotton and H. Wu and K. Wyllie and Z. Xiang and D. Xiao and Y. Xie and A. Xu and J. Xu and L. Xu and M. Xu and Q. Xu and Z. Xu and Z. Xu and D. Yang and S. Yang and Y. Yang and Z. Yang and Z. Yang and Y. Yao and L.E. Yeomans and H. Yin and J. Yu and X. Yuan and E. Zaffaroni and M. Zavertyaev and M. Zdybal and O. Zenaiev and M. Zeng and D. Zhang and L. Zhang and S. Zhang and S. Zhang and Y. Zhang and Y. Zhang and A. Zharkova and A. Zhelezov and Y. Zheng and T. Zhou and X. Zhou and Y. Zhou and V. Zhovkovska and X. Zhu and X. Zhu and Z. Zhu and V. Zhukov and Q. Zou and S. Zucchelli and D. Zuliani and G. Zunica and \{The LHCb Collaboration\}",
year = "2023",
month = apr,
day = "1",
doi = "10.1007/JHEP04(2023)081",
language = "English",
volume = "2023",
journal = "Journal of High Energy Physics",
issn = "1126-6708",
publisher = "Springer Verlag",
number = "4",
}