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Measurement of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>C</mml:mi><mml:mi>P</mml:mi></mml:math> Violation in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msup><mml:mi>B</mml:mi><mml:mn>0</mml:mn></mml:msup><mml:mo stretchy="false">→</mml:mo><mml:msubsup><mml:mi>K</mml:mi><mml:mi>S</mml:mi><mml:mn>0</mml:mn></mml:msubsup><mml:msup><mml:mi>π</mml:mi><mml:mn>0</mml:mn></mml:msup></mml:math> Decays at Belle II

I. Adachi,K. Adamczyk,L. Aggarwal,H. Ahmed,H. Aihara,Н. Акопов,A. Aloisio,N. Anh Ky,D. M. Asner,H. Atmacan,T. Aushev,V. Aushev,M. Aversano,V. Babu,H. Bae,Seema Bahinipati,P. Bambade,Swagato Banerjee,M. Barrett,J. Baudot,M. Bauer,A. Baur,A. Beaubien,J. Becker,P. K. Behera,J. V. Bennett,Valerio Bertacchi,M. Bertemes,Emilie Bertholet,M. Bessner,S. Bettarini,B. Bhuyan,F. Bianchi,T. Bilka,Diptaparna Biswas,D. Bodrov,A. Bondar,J. Borah,A. Bożek,M. Bračko,P. Branchini,R. A. Briere,T. E. Browder,A. Budano,S. Bussino,M. Campajola,L. Cao,G. Casarosa,C. Cecchi,Jacopo Cerasoli,P. Chang,R. Cheaib,P. Cheema,V. Chekelian,Chunhui Chen,B. G. Cheon,K. Chilikin,K. Chirapatpimol,H. E. Cho,K. Cho,S.-J. Cho,S.-K. Choi,S. Choudhury,J. Cochran,L. Corona,L. Cremaldi,Souvik Das,F. Dattola,E. De La Cruz–Burelo,S. A. De La Motte,G. de Marino,M. De Nuccio,G. De Pietro,R. de Sangro,M. Destefanis,A. De Yta-Hernandez,R. Dhamija,A. Di Canto,F. Di Capua,J. Dingfelder,Zdeněk Doležal,I. Domínguez Jiménez,T. V. Dong,M. Dorigo,K. Dort,S. Dreyer,S. Dubey,G. Dujany,P. Ecker,M. Eliachevitch,P. Feichtinger,T. Ferber,D. Ferlewicz,T. Fillinger,C. Finck,G. Finocchiaro,A. Fodor,F. Forti,B. G. Fulsom,Alessandro Gabrielli,E. Ganiev,M. Garcia-Hernández,Rocky Bala Garg,A. Garmash,G. Gaudino,V. Gaur,A. Gaz,A. Gellrich,Diptimoy Ghosh,G. Giakoustidis,R. Giordano,A. Giri,A. Glazov,B. Gobbo,R. Godang,P. Goldenzweig,W. Gradl,Thomas Grammatico,S. Granderath,E. Graziani,D. Greenwald,Z. Gruberová,T. Gu,Y. H. Guan,K. Gudkova,S. Halder,Y. Han,K. Hara,T. Hara,K. Hayasaka,H. Hayashii,S. Hazra,C. Hearty,M. T. Hedges,Ivan Heredia-de la Cruz,M. Hernández Villanueva,A. D. Hershenhorn,T. Higuchi,Ewan Hill,M. Hoek,M. Hohmann,C.-L. Hsu,T. Humair,T. Iijima,K. Inami,N. Ipsita,A. Ishikawa,S. Ito,R. Itoh,M. Iwasaki,Paul Jackson,W. W. Jacobs,E.-J. Jang,Q. P. Ji,S. Jia,Y. Jin,A. Johnson,K. K. Joo,H. Junkerkalefeld,M. Kaleta,A. B. Kaliyar,J. Kandra,K. H. Kang,Shuaiyan Kang,Somnath Kar,G. Karyan,T. Kawasaki,F. Keil,C. Ketter,C. Kiesling,C. H. Kim,D. Y. Kim,K.-H. Kim,Y.-K. Kim,H. Kindo,Peter Kodyš,T. Koga,S. Kohani,K. Kojima,A. Korobov,S. Korpar,E. Kovalenko,R. Kowalewski,T. M. G. Kraetzschmar,P. Križan,P. Krokovny,T. Kuhr,Jitendra Kumar,Mintu Kumar,K. Kumara,Takuto Kunigo,A. Kuzmin,Y. J. Kwon,Stefano Lacaprara,Y.-T. Lai,Tyler Lam,J. S. Lange,M. Laurenza,R. Leboucher,F. Le Diberder,P. Leitl,D. Levit,C. Li,L. K. Li,J. Libby,Q. Y. Liu,Z. Q. Liu,D. Liventsev,S. Longo,T. Lueck,T. Luo,C. Lyu,Y. Ma,M. Maggiora,S. P. Maharana,R. Maiti,S. Maity,G. Mancinelli,R. Manfredi,E. Manoni,M. Mantovano,Daniela Di Marcantonio,S. Marcello,C. Mariñas,L. Martel,C. Martellini,T. Martinov,L. Massaccesi,M. Masuda,T. Matsuda,K. Matsuoka,D. Matvienko,S. K. Maurya,J. A. McKenna,R. Mehta,F. Meier,M. Merola,F. Metzner,Marco Milesi,C. Miller,M. Mirra,K. Miyabayashi,R. Mizuk,Gagan Bihari Mohanty,N. Molina-Gonzalez,S. Mondal,S. Moneta,H. G. Moser,M. Mrvar,R. Mussa,I. Nakamura,Y. Nakazawa,A. Narimani Charan,M. Naruki,A. Natochii,L. Nayak,M. Nayak,G. Nazaryan,N. K. Nisar,S. Nishida,H. Ono,Y. Onuki,P. Oskin,P. Pakhlov,G. Pakhlova,A. Paladino,E. Paoloni,S. Pardi,K. Parham,H. Park,S.-H. Park,A. Passeri,S. Patra,S. Paul,T. K. Pedlar,R. Peschke,R. Pestotnik,F. Pham,M. Piccolo,L. E. Piilonen,P. L.M. Podesta-Lerma,T. Podobnik,S. Pokharel,C. Praz,S. Prell,E. Prencipe,M. T. Prim,H. Purwar,Navid Rad,Petar Kevin Rados,G. Raeuber,S. Raiz,M. Reif,S. Reiter,M. Remnev,I. Ripp-Baudot,G. Rizzo,S. H. Robertson,M. Röhrken,J. M. Roney,A. Rostomyan,N. Rout,G. Russo,Deepak Kumar Sahoo,S. Sandilya,A. Sangal,L. Šantelj,Y. Sato,V. Savinov,B. Scavino,C. Schmitt,C. Schwanda,A. J. Schwartz,Y. Seino,A. Selce,K. Senyo,J. Serrano,M. E. Sevior,C. Sfienti,W. Shan,C. Sharma,X. Shi,T. Shillington,J. G. Shiu,D. Shtol,A. Sibidanov,F. Simon,J. B. Singh,J. Skorupa,R. Sobie,M. Sobotzik,A. Soffer,A. Sokolov,E. Solovieva,S. Spataro,B. Spruck,M. Starič,P. Stavroulakis,S. Stefkova,Z. S. Stottler,R. Stroili,M. Sumihama,K. Sumisawa,W. Sutcliffe,H. Svidras,M. Takahashi,M. Takizawa,U. Tamponi,S. Tanaka,K. Tanida,F. Tenchini,A. Thaller,O. Tittel,R. Tiwary,D. Tonelli,E. Torassa,K. Trabelsi,I. Tsaklidis,M. Uchida,I. Ueda,T. Uglov,K. Unger,Y. Unno,Kenta Uno,S. Uno,P. Urquijo,Y. Ushiroda,S. Vahsen,R. van Tonder,G. Varner,Kevin Varvell,A. Vinokurova,V. S. Vismaya,L. Vitale,B. Wach,M. Wakai,H. M. Wakeling,S. Wallner,E. Wang,M.-Z. Wang,Z. Wang,A. Warburton,M. Watanabe,S. Watanuki,M. Welsch,C. Wessel,E. Won,X. P. Xu,B. D. Yabsley,S. Yamada,W. B. Yan,S. B. Yang,J. H. Yin,Keisuke Yoshihara,Yuan Chao,Y. Yusa,L. Zani,Y. Zhang,V. Zhilich,Q. Zhou,V. Zhukova

Physics

Energy (signal processing)

Electron–positron annihilation

2023

We report a measurement of the $CP$-violating parameters $C$ and $S$ in ${B}^{0}\ensuremath{\rightarrow}{K}_{S}^{0}{\ensuremath{\pi}}^{0}$ decays at Belle II using a sample of $387\ifmmode\times\else\texttimes\fi{}{10}^{6}\text{ }\text{ }B\overline{B}$ events recorded in ${e}^{+}{e}^{\ensuremath{-}}$ collisions at a center-of-mass energy corresponding to the $\mathrm{\ensuremath{\Upsilon}}(4S)$ resonance. These parameters are determined by fitting the proper decay-time distribution of a sample of 415 signal events. We obtain $C=\ensuremath{-}0.0{4}_{\ensuremath{-}0.15}^{+0.14}\ifmmode\pm\else\textpm\fi{}0.05$ and $S=0.7{5}_{\ensuremath{-}0.23}^{+0.20}\ifmmode\pm\else\textpm\fi{}0.04$, where the first uncertainties are statistical and the second are systematic.

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“Measurement of <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>C</mml:mi><mml:mi>P</mml:mi></mml:math> Violation in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msup><mml:mi>B</mml:mi><mml:mn>0</mml:mn></mml:msup><mml:mo stretchy="false">→</mml:mo><mml:msubsup><mml:mi>K</mml:mi><mml:mi>S</mml:mi><mml:mn>0</mml:mn></mml:msubsup><mml:msup><mml:mi>π</mml:mi><mml:mn>0</mml:mn></mml:msup></mml:math> Decays at Belle II” is a paper by I. Adachi K. Adamczyk L. Aggarwal H. Ahmed H. Aihara Н. Акопов A. Aloisio N. Anh Ky D. M. Asner H. Atmacan T. Aushev V. Aushev M. Aversano V. Babu H. Bae Seema Bahinipati P. Bambade Swagato Banerjee M. Barrett J. Baudot M. Bauer A. Baur A. Beaubien J. Becker P. K. Behera J. V. Bennett Valerio Bertacchi M. Bertemes Emilie Bertholet M. Bessner S. Bettarini B. Bhuyan F. Bianchi T. Bilka Diptaparna Biswas D. Bodrov A. Bondar J. Borah A. Bożek M. Bračko P. Branchini R. A. Briere T. E. Browder A. Budano S. Bussino M. Campajola L. Cao G. Casarosa C. Cecchi Jacopo Cerasoli P. Chang R. Cheaib P. Cheema V. Chekelian Chunhui Chen B. G. Cheon K. Chilikin K. Chirapatpimol H. E. Cho K. Cho S.-J. Cho S.-K. Choi S. Choudhury J. Cochran L. Corona L. Cremaldi Souvik Das F. Dattola E. De La Cruz–Burelo S. A. De La Motte G. de Marino M. De Nuccio G. De Pietro R. de Sangro M. Destefanis A. De Yta-Hernandez R. Dhamija A. Di Canto F. Di Capua J. Dingfelder Zdeněk Doležal I. Domínguez Jiménez T. V. Dong M. Dorigo K. Dort S. Dreyer S. Dubey G. Dujany P. Ecker M. Eliachevitch P. Feichtinger T. Ferber D. Ferlewicz T. Fillinger C. Finck G. Finocchiaro A. Fodor F. Forti B. G. Fulsom Alessandro Gabrielli E. Ganiev M. Garcia-Hernández Rocky Bala Garg A. Garmash G. Gaudino V. Gaur A. Gaz A. Gellrich Diptimoy Ghosh G. Giakoustidis R. Giordano A. Giri A. Glazov B. Gobbo R. Godang P. Goldenzweig W. Gradl Thomas Grammatico S. Granderath E. Graziani D. Greenwald Z. Gruberová T. Gu Y. H. Guan K. Gudkova S. Halder Y. Han K. Hara T. Hara K. Hayasaka H. Hayashii S. Hazra C. Hearty M. T. Hedges Ivan Heredia-de la Cruz M. Hernández Villanueva A. D. Hershenhorn T. Higuchi Ewan Hill M. Hoek M. Hohmann C.-L. Hsu T. Humair T. Iijima K. Inami N. Ipsita A. Ishikawa S. Ito R. Itoh M. Iwasaki Paul Jackson W. W. Jacobs E.-J. Jang Q. P. Ji S. Jia Y. Jin A. Johnson K. K. Joo H. Junkerkalefeld M. Kaleta A. B. Kaliyar J. Kandra K. H. Kang Shuaiyan Kang Somnath Kar G. Karyan T. Kawasaki F. Keil C. Ketter C. Kiesling C. H. Kim D. Y. Kim K.-H. Kim Y.-K. Kim H. Kindo Peter Kodyš T. Koga S. Kohani K. Kojima A. Korobov S. Korpar E. Kovalenko R. Kowalewski T. M. G. Kraetzschmar P. Križan P. Krokovny T. Kuhr Jitendra Kumar Mintu Kumar K. Kumara Takuto Kunigo A. Kuzmin Y. J. Kwon Stefano Lacaprara Y.-T. Lai Tyler Lam J. S. Lange M. Laurenza R. Leboucher F. Le Diberder P. Leitl D. Levit C. Li L. K. Li J. Libby Q. Y. Liu Z. Q. Liu D. Liventsev S. Longo T. Lueck T. Luo C. Lyu Y. Ma M. Maggiora S. P. Maharana R. Maiti S. Maity G. Mancinelli R. Manfredi E. Manoni M. Mantovano Daniela Di Marcantonio S. Marcello C. Mariñas L. Martel C. Martellini T. Martinov L. Massaccesi M. Masuda T. Matsuda K. Matsuoka D. Matvienko S. K. Maurya J. A. McKenna R. Mehta F. Meier M. Merola F. Metzner Marco Milesi C. Miller M. Mirra K. Miyabayashi R. Mizuk Gagan Bihari Mohanty N. Molina-Gonzalez S. Mondal S. Moneta H. G. Moser M. Mrvar R. Mussa I. Nakamura Y. Nakazawa A. Narimani Charan M. Naruki A. Natochii L. Nayak M. Nayak G. Nazaryan N. K. Nisar S. Nishida H. Ono Y. Onuki P. Oskin P. Pakhlov G. Pakhlova A. Paladino E. Paoloni S. Pardi K. Parham H. Park S.-H. Park A. Passeri S. Patra S. Paul T. K. Pedlar R. Peschke R. Pestotnik F. Pham M. Piccolo L. E. Piilonen P. L.M. Podesta-Lerma T. Podobnik S. Pokharel C. Praz S. Prell E. Prencipe M. T. Prim H. Purwar Navid Rad Petar Kevin Rados G. Raeuber S. Raiz M. Reif S. Reiter M. Remnev I. Ripp-Baudot G. Rizzo S. H. Robertson M. Röhrken J. M. Roney A. Rostomyan N. Rout G. Russo Deepak Kumar Sahoo S. Sandilya A. Sangal L. Šantelj Y. Sato V. Savinov B. Scavino C. Schmitt C. Schwanda A. J. Schwartz Y. Seino A. Selce K. Senyo J. Serrano M. E. Sevior C. Sfienti W. Shan C. Sharma X. Shi T. Shillington J. G. Shiu D. Shtol A. Sibidanov F. Simon J. B. Singh J. Skorupa R. Sobie M. Sobotzik A. Soffer A. Sokolov E. Solovieva S. Spataro B. Spruck M. Starič P. Stavroulakis S. Stefkova Z. S. Stottler R. Stroili M. Sumihama K. Sumisawa W. Sutcliffe H. Svidras M. Takahashi M. Takizawa U. Tamponi S. Tanaka K. Tanida F. Tenchini A. Thaller O. Tittel R. Tiwary D. Tonelli E. Torassa K. Trabelsi I. Tsaklidis M. Uchida I. Ueda T. Uglov K. Unger Y. Unno Kenta Uno S. Uno P. Urquijo Y. Ushiroda S. Vahsen R. van Tonder G. Varner Kevin Varvell A. Vinokurova V. S. Vismaya L. Vitale B. Wach M. Wakai H. M. Wakeling S. Wallner E. Wang M.-Z. Wang Z. Wang A. Warburton M. Watanabe S. Watanuki M. Welsch C. Wessel E. Won X. P. Xu B. D. Yabsley S. Yamada W. B. Yan S. B. Yang J. H. Yin Keisuke Yoshihara Yuan Chao Y. Yusa L. Zani Y. Zhang V. Zhilich Q. Zhou V. Zhukova published in 2023. It has an Open Access status of “hybrid”. You can read and download a PDF Full Text of this paper here.