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Search for $C P$ violation with kinematic asymmetries in the $D^{0} \to K^{+} K^{-} π^{+} π^{-}$ decay

J. B. Kim³⁸, E. Won^38,*, I. Adachi^17,13, H. Aihara⁸⁵, S. Al Said^79,35, D. M. Asner³, H. Atmacan⁷⁵, V. Aulchenko^4,64, T. Aushev⁵⁴ et al. (The Belle Collaboration)

T. Aushev⁵⁴, V. Babu⁸⁰, I. Badhrees^79,34, S. Bahinipati²¹, A. M. Bakich⁷⁸, V. Bansal⁶⁶, P. Behera²⁴, C. Beleño¹², B. Bhuyan²², T. Bilka⁵, J. Biswal³¹, A. Bobrov^4,64, A. Bozek⁶², M. Bračko^48,31, L. Cao³², D. Červenkov⁵, P. Chang⁶¹, V. Chekelian⁴⁹, A. Chen⁵⁹, B. G. Cheon¹⁵, K. Chilikin⁴², K. Cho³⁷, S.-K. Choi¹⁴, Y. Choi⁷⁷, D. Cinabro⁸⁹, S. Cunliffe⁷, N. Dash²¹, S. Di Carlo⁴⁰, Z. Doležal⁵, T. V. Dong^17,13, S. Eidelman^4,64,42, D. Epifanov^4,64, J. E. Fast⁶⁶, T. Ferber⁷, A. Frey¹², B. G. Fulsom⁶⁶, R. Garg⁶⁷, V. Gaur⁸⁸, N. Gabyshev^4,64, A. Garmash^4,64, M. Gelb³², A. Giri²³, P. Goldenzweig³², D. Greenwald⁸¹, Y. Guan^25,17, J. Haba^17,13, T. Hara^17,13, K. Hayasaka⁶³, H. Hayashii⁵⁸, W.-S. Hou⁶¹, T. Iijima^56,55, K. Inami⁵⁵, G. Inguglia⁷, A. Ishikawa⁸³, R. Itoh^17,13, M. Iwasaki⁶⁵, Y. Iwasaki¹⁷, S. Jia², Y. Jin⁸⁵, D. Joffe³³, G. Karyan⁷, T. Kawasaki³⁶, H. Kichimi¹⁷, C. Kiesling⁴⁹, D. Y. Kim⁷⁴, H. J. Kim³⁹, S. H. Kim¹⁵, K. Kinoshita⁶, P. Kodyš⁵, S. Korpar^48,31, D. Kotchetkov¹⁶, P. Križan^43,31, R. Kroeger⁵¹, P. Krokovny^4,64, R. Kulasiri³³, A. Kuzmin^4,64, Y.-J. Kwon⁹¹, Y.-T. Lai¹⁷, K. Lalwani⁴⁶, J. S. Lange¹⁰, I. S. Lee¹⁵, J. K. Lee⁷², J. Y. Lee⁷², S. C. Lee³⁹, C. H. Li⁵⁰, L. K. Li²⁶, Y. B. Li⁶⁸, L. Li Gioi⁴⁹, J. Libby²⁴, Z. Liptak¹⁶, D. Liventsev^88,17, P.-C. Lu⁶¹, M. Lubej³¹, T. Luo⁹, J. MacNaughton⁵², M. Masuda⁸⁴, T. Matsuda⁵², D. Matvienko^4,64,42, M. Merola^28,57, K. Miyabayashi⁵⁸, R. Mizuk^42,53,54, G. B. Mohanty⁸⁰, H. K. Moon³⁸, T. Mori⁵⁵, M. Mrvar³¹, R. Mussa²⁹, E. Nakano⁶⁵, M. Nakao^17,13, K. J. Nath²², M. Nayak^89,17, N. K. Nisar⁶⁹, S. Nishida^17,13, S. Ogawa⁸², G. Pakhlova^42,54, B. Pal³, S. Pardi²⁸, H. Park³⁹, S. Paul⁸¹, T. K. Pedlar⁴⁵, R. Pestotnik³¹, L. E. Piilonen⁸⁸, V. Popov^42,54, K. Prasanth⁸⁰, E. Prencipe¹⁹, A. Rabusov⁸¹, P. K. Resmi²⁴, M. Ritter⁴⁴, A. Rostomyan⁷, G. Russo²⁸, Y. Sakai^17,13, M. Salehi^47,44, S. Sandilya⁶, L. Santelj¹⁷, T. Sanuki⁸³, V. Savinov⁶⁹, O. Schneider⁴¹, G. Schnell^1,20, C. Schwanda²⁷, Y. Seino⁶³, K. Senyo⁹⁰, O. Seon⁵⁵, C. P. Shen², T.-A. Shibata⁸⁶, J.-G. Shiu⁶¹, E. Solovieva^42,54, M. Starič³¹, J. F. Strube⁶⁶, M. Sumihama¹¹, T. Sumiyoshi⁸⁷, W. Sutcliffe³², M. Takizawa^73,18,70, K. Tanida³⁰, Y. Tao⁸, F. Tenchini⁷, M. Uchida⁸⁶, T. Uglov^42,54, Y. Unno¹⁵, S. Uno^17,13, P. Urquijo⁵⁰, R. Van Tonder³², G. Varner¹⁶, B. Wang⁶, C. H. Wang⁶⁰, M.-Z. Wang⁶¹, P. Wang²⁶, X. L. Wang⁹, E. Widmann⁷⁶, H. Yamamoto⁸³, S. B. Yang³⁸, H. Ye⁷, C. Z. Yuan²⁶, Y. Yusa⁶³, Z. P. Zhang⁷¹, V. Zhilich^4,64, V. Zhukova⁴², and V. Zhulanov^4,64 (The Belle Collaboration)

¹University of the Basque Country UPV/EHU, 48080 Bilbao
²Beihang University, Beijing 100191
³Brookhaven National Laboratory, Upton, New York 11973
⁴Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090
⁵Faculty of Mathematics and Physics, Charles University, 121 16 Prague
⁶University of Cincinnati, Cincinnati, Ohio 45221
⁷Deutsches Elektronen–Synchrotron, 22607 Hamburg
⁸University of Florida, Gainesville, Florida 32611
⁹Key Laboratory of Nuclear Physics and Ion-beam Application (MOE) and Institute of Modern Physics, Fudan University, Shanghai 200443
¹⁰Justus-Liebig-Universität Gießen, 35392 Gießen
¹¹Gifu University, Gifu 501-1193
¹²II. Physikalisches Institut, Georg-August-Universität Göttingen, 37073 Göttingen
¹³SOKENDAI (The Graduate University for Advanced Studies), Hayama 240-0193
¹⁴Gyeongsang National University, Chinju 660-701
¹⁵Hanyang University, Seoul 133-791
¹⁶University of Hawaii, Honolulu, Hawaii 96822
¹⁷High Energy Accelerator Research Organization (KEK), Tsukuba 305-0801
¹⁸J-PARC Branch, KEK Theory Center, High Energy Accelerator Research Organization (KEK), Tsukuba 305-0801
¹⁹Forschungszentrum Jülich, 52425 Jülich
²⁰IKERBASQUE, Basque Foundation for Science, 48013 Bilbao
²¹Indian Institute of Technology Bhubaneswar, Satya Nagar 751007
²²Indian Institute of Technology Guwahati, Assam 781039
²³Indian Institute of Technology Hyderabad, Telangana 502285
²⁴Indian Institute of Technology Madras, Chennai 600036
²⁵Indiana University, Bloomington, Indiana 47408
²⁶Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049
²⁷Institute of High Energy Physics, Vienna 1050
²⁸INFN—Sezione di Napoli, 80126 Napoli
²⁹INFN—Sezione di Torino, 10125 Torino
³⁰Advanced Science Research Center, Japan Atomic Energy Agency, Naka 319-1195
³¹J. Stefan Institute, 1000 Ljubljana
³²Institut für Experimentelle Teilchenphysik, Karlsruher Institut für Technologie, 76131 Karlsruhe
³³Kennesaw State University, Kennesaw, Georgia 30144
³⁴King Abdulaziz City for Science and Technology, Riyadh 11442
³⁵Department of Physics, Faculty of Science, King Abdulaziz University, Jeddah 21589
³⁶Kitasato University, Sagamihara 252-0373
³⁷Korea Institute of Science and Technology Information, Daejeon 305-806
³⁸Korea University, Seoul 136-713
³⁹Kyungpook National University, Daegu 702-701
⁴⁰LAL, University Paris-Sud, CNRS/IN2P3, Université Paris-Saclay, Orsay
⁴¹École Polytechnique Fédérale de Lausanne (EPFL), Lausanne 1015
⁴²P.N. Lebedev Physical Institute of the Russian Academy of Sciences, Moscow 119991
⁴³Faculty of Mathematics and Physics, University of Ljubljana, 1000 Ljubljana
⁴⁴Ludwig Maximilians University, 80539 Munich
⁴⁵Luther College, Decorah, Iowa 52101
⁴⁶Malaviya National Institute of Technology Jaipur, Jaipur 302017
⁴⁷University of Malaya, 50603 Kuala Lumpur
⁴⁸University of Maribor, 2000 Maribor
⁴⁹Max-Planck-Institut für Physik, 80805 München
⁵⁰School of Physics, University of Melbourne, Victoria 3010
⁵¹University of Mississippi, University, Mississippi 38677
⁵²University of Miyazaki, Miyazaki 889-2192
⁵³Moscow Physical Engineering Institute, Moscow 115409
⁵⁴Moscow Institute of Physics and Technology, Moscow Region 141700
⁵⁵Graduate School of Science, Nagoya University, Nagoya 464-8602
⁵⁶Kobayashi-Maskawa Institute, Nagoya University, Nagoya 464-8602
⁵⁷Università di Napoli Federico II, 80055 Napoli
⁵⁸Nara Women’s University, Nara 630-8506
⁵⁹National Central University, Chung-li 32054
⁶⁰National United University, Miao Li 36003
⁶¹Department of Physics, National Taiwan University, Taipei 10617
⁶²H. Niewodniczanski Institute of Nuclear Physics, Krakow 31-342
⁶³Niigata University, Niigata 950-2181
⁶⁴Novosibirsk State University, Novosibirsk 630090
⁶⁵Osaka City University, Osaka 558-8585
⁶⁶Pacific Northwest National Laboratory, Richland, Washington 99352
⁶⁷Panjab University, Chandigarh 160014
⁶⁸Peking University, Beijing 100871
⁶⁹University of Pittsburgh, Pittsburgh, Pennsylvania 15260
⁷⁰Theoretical Research Division, Nishina Center, RIKEN, Saitama 351-0198
⁷¹University of Science and Technology of China, Hefei 230026
⁷²Seoul National University, Seoul 151-742
⁷³Showa Pharmaceutical University, Tokyo 194-8543
⁷⁴Soongsil University, Seoul 156-743
⁷⁵University of South Carolina, Columbia, South Carolina 29208
⁷⁶Stefan Meyer Institute for Subatomic Physics, Vienna 1090
⁷⁷Sungkyunkwan University, Suwon 440-746
⁷⁸School of Physics, University of Sydney, New South Wales 2006
⁷⁹Department of Physics, Faculty of Science, University of Tabuk, Tabuk 71451
⁸⁰Tata Institute of Fundamental Research, Mumbai 400005
⁸¹Department of Physics, Technische Universität München, 85748 Garching
⁸²Toho University, Funabashi 274-8510
⁸³Department of Physics, Tohoku University, Sendai 980-8578
⁸⁴Earthquake Research Institute, University of Tokyo, Tokyo 113-0032
⁸⁵Department of Physics, University of Tokyo, Tokyo 113-0033
⁸⁶Tokyo Institute of Technology, Tokyo 152-8550
⁸⁷Tokyo Metropolitan University, Tokyo 192-0397
⁸⁸Virginia Polytechnic Institute and State University, Blacksburg, Virginia 24061
⁸⁹Wayne State University, Detroit, Michigan 48202
⁹⁰Yamagata University, Yamagata 990-8560
⁹¹Yonsei University, Seoul 120-749

^*Corresponding author. eunil@hep.korea.ac.kr

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Phys. Rev. D 99, 011104(R) – Published 29 January, 2019

DOI: https://doi.org/10.1103/PhysRevD.99.011104

Abstract

We search for $C P$ violation in the singly-Cabibbo-suppressed decay $D^{0} \to K^{+} K^{-} π^{+} π^{-}$ using data corresponding to an integrated luminosity of $988 {fb}^{- 1}$ collected by the Belle detector at the KEKB $e^{+} e^{-}$ collider. We measure a set of five kinematically dependent $C P$ asymmetries, of which four asymmetries are measured for the first time. The set of asymmetry measurements can be sensitive to $C P$ violation via interference between the different partial-wave contributions to the decay and performed on other pseudoscalar decays. We find no evidence of $C P$ violation.

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References (23)

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Phys. Rev. D 99, 011104(R)– Published 29 January, 2019

Vol. 99, Iss. 1 — 1 January 2019

Received 15 October 2018

DOI: https://doi.org/10.1103/PhysRevD.99.011104

Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. Funded by SCOAP³.

Published by the American Physical Society

Physical Review D

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Search for $C P$ violation with kinematic asymmetries in the $D^{0} \to K^{+} K^{-} π^{+} π^{-}$ decay

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Search for CP violation with kinematic asymmetries in the D0→K+K−π+π− decay

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Search for $C P$ violation with kinematic asymmetries in the $D^{0} \to K^{+} K^{-} π^{+} π^{-}$ decay