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  • Letter
  • Open Access

Search for the decay Bs0→η′η

N. K. Nisar3, V. Savinov72, I. Adachi19,15, H. Aihara90, S. Al Said83,39, D. M. Asner3, H. Atmacan7, T. Aushev21, R. Ayad83 et al. (The Belle Collaboration)

R. Ayad83, V. Babu8, S. Bahinipati25, P. Behera28, J. Bennett53, M. Bessner18, V. Bhardwaj24, B. Bhuyan26, T. Bilka5, J. Biswal36, G. Bonvicini95, A. Bozek63, M. Bračko50,36, T. E. Browder18, M. Campajola33,58, D. Červenkov5, M.-C. Chang10, V. Chekelian51, A. Chen60, B. G. Cheon17, K. Chilikin45, H. E. Cho17, K. Cho41, S.-K. Choi16, Y. Choi81, S. Choudhury27, D. Cinabro95, S. Cunliffe8, S. Das49, N. Dash28, G. De Nardo33,58, R. Dhamija27, F. Di Capua33,58, Z. Doležal5, T. V. Dong11, S. Dubey18, S. Eidelman4,67,45, D. Epifanov4,67, T. Ferber8, D. Ferlewicz52, A. Frey14, B. G. Fulsom69, R. Garg70, V. Gaur94, N. Gabyshev4,67, A. Garmash4,67, A. Giri27, P. Goldenzweig37, Y. Guan7, K. Gudkova4,67, C. Hadjivasiliou69, S. Halder84, T. Hara19,15, O. Hartbrich18, K. Hayasaka65, H. Hayashii59, M. T. Hedges18, C.-L. Hsu82, T. Iijima57,56, K. Inami56, A. Ishikawa19,15, R. Itoh19,15, M. Iwasaki68, Y. Iwasaki19, W. W. Jacobs29, S. Jia11, Y. Jin90, C. W. Joo38, K. K. Joo6, J. Kahn37, A. B. Kaliyar84, K. H. Kang43, G. Karyan8, T. Kawasaki40, H. Kichimi19, C. Kiesling51, C. H. Kim17, D. Y. Kim80, S. H. Kim77, Y.-K. Kim97, K. Kinoshita7, P. Kodyš5, T. Konno40, A. Korobov4,67, S. Korpar50,36, E. Kovalenko4,67, P. Križan46,36, R. Kroeger53, P. Krokovny4,67, T. Kuhr47, M. Kumar49, R. Kumar73, K. Kumara95, A. Kuzmin4,67, Y.-J. Kwon97, K. Lalwani49, J. S. Lange12, S. C. Lee43, Y. B. Li71, L. Li Gioi51, J. Libby28, K. Lieret47, D. Liventsev95,19, C. MacQueen52, M. Masuda89,74, T. Matsuda54, D. Matvienko4,67,45, M. Merola33,58, F. Metzner37, R. Mizuk45,21, G. B. Mohanty84, S. Mohanty84,93, M. Nakao19,15, A. Natochii18, L. Nayak27, M. Nayak86, S. Nishida19,15, K. Nishimura18, S. Ogawa87, H. Ono64,65, Y. Onuki90, P. Oskin45, P. Pakhlov45,55, G. Pakhlova21,45, T. Pang72, S. Pardi33, H. Park43, S.-H. Park19, S. Patra24, S. Paul85,51, T. K. Pedlar48, R. Pestotnik36, L. E. Piilonen94, T. Podobnik46,36, E. Prencipe22, M. T. Prim2, M. Röhrken8, A. Rostomyan8, N. Rout28, G. Russo58, D. Sahoo84, S. Sandilya27, A. Sangal7, L. Santelj46,36, T. Sanuki88, G. Schnell1,23, J. Schueler18, C. Schwanda31, Y. Seino65, K. Senyo96, M. E. Sevior52, M. Shapkin32, C. Sharma49, C. P. Shen11, J.-G. Shiu62, B. Shwartz4,67, F. Simon51, E. Solovieva45, S. Stanič66, M. Starič36, Z. S. Stottler94, M. Sumihama13, T. Sumiyoshi92, M. Takizawa78,20,75, U. Tamponi34, K. Tanida35, F. Tenchini8, K. Trabelsi44, M. Uchida91, T. Uglov45,21, Y. Unno17, S. Uno19,15, P. Urquijo52, R. Van Tonder2, G. Varner18, A. Vossen9, E. Waheed19, C. H. Wang61, M.-Z. Wang62, P. Wang30, X. L. Wang11, S. Watanuki44, E. Won42, X. Xu79, B. D. Yabsley82, W. Yan76, S. B. Yang42, H. Ye8, Z. P. Zhang76, V. Zhilich4,67, and V. Zhukova45 (The Belle Collaboration)

  • 1Department of Physics, University of the Basque Country UPV/EHU, 48080 Bilbao, Spain
  • 2University of Bonn, 53115 Bonn, Germany
  • 3Brookhaven National Laboratory, Upton, New York 11973, USA
  • 4Budker Institute of Nuclear Physics SB RAS, Novosibirsk 630090, Russia
  • 5Faculty of Mathematics and Physics, Charles University, 121 16 Prague, Czech Republic
  • 6Chonnam National University, Gwangju 61186, South Korea
  • 7University of Cincinnati, Cincinnati, Ohio 45221, USA
  • 8Deutsches Elektronen–Synchrotron, 22607 Hamburg, Germany
  • 9Duke University, Durham, North Carolina 27708, USA
  • 10Department of Physics, Fu Jen Catholic University, Taipei 24205, Republic of China
  • 11Key Laboratory of Nuclear Physics and Ion-beam Application (MOE) and Institute of Modern Physics, Fudan University, Shanghai 200443, Republic of China
  • 12Justus-Liebig-Universität Gießen, 35392 Gießen, Germany
  • 13Gifu University, Gifu 501-1193, Japan
  • 14II. Physikalisches Institut, Georg-August-Universität Göttingen, 37073 Göttingen, Germany
  • 15SOKENDAI (The Graduate University for Advanced Studies), Hayama 240-0193, Japan
  • 16Gyeongsang National University, Jinju 52828, South Korea
  • 17Department of Physics and Institute of Natural Sciences, Hanyang University, Seoul 04763, South Korea
  • 18University of Hawaii, Honolulu, Hawaii 96822, USA
  • 19High Energy Accelerator Research Organization (KEK), Tsukuba 305-0801, Japan
  • 20J-PARC Branch, KEK Theory Center, High Energy Accelerator Research Organization (KEK), Tsukuba 305-0801, Japan
  • 21Higher School of Economics (HSE), Moscow 101000, Russia
  • 22Forschungszentrum Jülich, 52425 Jülich, Germany
  • 23IKERBASQUE, Basque Foundation for Science, 48013 Bilbao, Spain
  • 24Indian Institute of Science Education and Research Mohali, SAS Nagar 140306, India
  • 25Indian Institute of Technology Bhubaneswar, Satya Nagar 751007, India
  • 26Indian Institute of Technology Guwahati, Assam 781039, India
  • 27Indian Institute of Technology Hyderabad, Telangana 502285, India
  • 28Indian Institute of Technology Madras, Chennai 600036, India
  • 29Indiana University, Bloomington, Indiana 47408, USA
  • 30Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, Republic of China
  • 31Institute of High Energy Physics, Vienna 1050, Austria
  • 32Institute for High Energy Physics, Protvino 142281, Russia
  • 33INFN—Sezione di Napoli, 80126 Napoli, Italy
  • 34INFN—Sezione di Torino, 10125 Torino, Italy
  • 35Advanced Science Research Center, Japan Atomic Energy Agency, Naka 319-1195, Japan
  • 36J. Stefan Institute, 1000 Ljubljana, Slovenia
  • 37Institut für Experimentelle Teilchenphysik, Karlsruher Institut für Technologie, 76131 Karlsruhe, Germany
  • 38Kavli Institute for the Physics and Mathematics of the Universe (WPI), University of Tokyo, Kashiwa 277-8583, Japan
  • 39Department of Physics, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia
  • 40Kitasato University, Sagamihara 252-0373, Japan
  • 41Korea Institute of Science and Technology Information, Daejeon 34141, South Korea
  • 42Korea University, Seoul 02841, South Korea
  • 43Kyungpook National University, Daegu 41566, South Korea
  • 44Université Paris-Saclay, CNRS/IN2P3, IJCLab, 91405 Orsay, France
  • 45P.N. Lebedev Physical Institute of the Russian Academy of Sciences, Moscow 119991, Russia
  • 46Faculty of Mathematics and Physics, University of Ljubljana, 1000 Ljubljana, Slovenia
  • 47Ludwig Maximilians University, 80539 Munich, Germany
  • 48Luther College, Decorah, Iowa 52101, USA
  • 49Malaviya National Institute of Technology Jaipur, Jaipur 302017, India
  • 50University of Maribor, 2000 Maribor, Slovenia
  • 51Max-Planck-Institut für Physik, 80805 München, Germany
  • 52School of Physics, University of Melbourne, Victoria 3010, Australia
  • 53University of Mississippi, University, Mississippi 38677, USA
  • 54University of Miyazaki, Miyazaki 889-2192, Japan
  • 55Moscow Physical Engineering Institute, Moscow 115409, Russia
  • 56Graduate School of Science, Nagoya University, Nagoya 464-8602, Japan
  • 57Kobayashi-Maskawa Institute, Nagoya University, Nagoya 464-8602, Japan
  • 58Università di Napoli Federico II, 80126 Napoli, Italy
  • 59Nara Women’s University, Nara 630-8506, Japan
  • 60National Central University, Chung-li 32054, Taiwan
  • 61National United University, Miao Li 36003, Taiwan
  • 62Department of Physics, National Taiwan University, Taipei 10617, Taiwan
  • 63H. Niewodniczanski Institute of Nuclear Physics, Krakow 31-342, Poland
  • 64Nippon Dental University, Niigata 951-8580, Japan
  • 65Niigata University, Niigata 950-2181, Japan
  • 66University of Nova Gorica, 5000 Nova Gorica, Slovenia
  • 67Novosibirsk State University, Novosibirsk 630090, Russia
  • 68Osaka City University, Osaka 558-8585, Japan
  • 69Pacific Northwest National Laboratory, Richland, Washington 99352, USA
  • 70Panjab University, Chandigarh 160014, India
  • 71Peking University, Beijing 100871, Republic of China
  • 72University of Pittsburgh, Pittsburgh, Pennsylvania 15260, USA
  • 73Punjab Agricultural University, Ludhiana 141004, India
  • 74Research Center for Nuclear Physics, Osaka University, Osaka 567-0047, Japan
  • 75Meson Science Laboratory, Cluster for Pioneering Research, RIKEN, Saitama 351-0198, Japan
  • 76Department of Modern Physics and State Key Laboratory of Particle Detection and Electronics, University of Science and Technology of China, Hefei 230026, Republic of China
  • 77Seoul National University, Seoul 08826, South Korea
  • 78Showa Pharmaceutical University, Tokyo 194-8543, Japan
  • 79Soochow University, Suzhou 215006, China
  • 80Soongsil University, Seoul 06978, South Korea
  • 81Sungkyunkwan University, Suwon 16419, South Korea
  • 82School of Physics, University of Sydney, New South Wales 2006, Australia
  • 83Department of Physics, Faculty of Science, University of Tabuk, Tabuk 71451, Saudi Arabia
  • 84Tata Institute of Fundamental Research, Mumbai 400005, India
  • 85Department of Physics, Technische Universität München, 85748 Garching, Germany
  • 86School of Physics and Astronomy, Tel Aviv University, Tel Aviv 69978, Israel
  • 87Toho University, Funabashi 274-8510, Japan
  • 88Department of Physics, Tohoku University, Sendai 980-8578, Japan
  • 89Earthquake Research Institute, University of Tokyo, Tokyo 113-0032, Japan
  • 90Department of Physics, University of Tokyo, Tokyo 113-0033, Japan
  • 91Tokyo Institute of Technology, Tokyo 152-8550, Japan
  • 92Tokyo Metropolitan University, Tokyo 192-0397, Japan
  • 93Utkal University, Bhubaneswar 751004, India
  • 94Virginia Polytechnic Institute and State University, Blacksburg, Virginia 24061, USA
  • 95Wayne State University, Detroit, Michigan 48202, USA
  • 96Yamagata University, Yamagata 990-8560, Japan
  • 97Yonsei University, Seoul 03722, South Korea

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Phys. Rev. D 104, L031101 – Published 16 August, 2021

DOI: https://doi.org/10.1103/PhysRevD.104.L031101

Abstract

We report the results of the first search for the decay Bs0→η′η using 121.4  fb−1 of data collected at the ϒ(5S) resonance with the Belle detector at the KEKB asymmetric-energy e+e− collider. We observe no significant signal and set a 90% confidence-level upper limit of 6.5×10−5 on the branching fraction of this decay.

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Phys. Rev. D 104, L031101– Published 16 August, 2021
  • Received 20 June 2021
  • Accepted 23 July 2021
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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.

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