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Study of B →p p ππ STUDY of B →p p ππ CHU K. et al.

  • Belle Collaboration
  • National Taiwan University
  • KEK and Graduate University for Advanced Studies (Sokendai)
  • High Energy Accelerator Research Organization (KEK)
  • University of Tokyo
  • Faculty of Sciences, King Abdulaziz University
  • University of Tabuk
  • Brookhaven National Laboratory
  • Budker Institute of Nuclear Physics (SB RAS)
  • Novosibirsk State University
  • Moscow Institute of Physics and Technology
  • Deutsches Elektronen-Synchrotron (DESY)
  • King Abdulaziz City for Science and Technology
  • Indian Institute of Technology Bhubaneswar
  • University of Sydney
  • Indian Institute of Technology Madras
  • Georg August Universität Göttingen
  • University of Mississippi
  • Indian Institute of Science Education and Research Mohali
  • Indian Institute of Technology Guwahati
  • Jožef Stefan Institute
  • Wayne State University
  • Henryk Niewodniczanski Institute of Nuclear Physics Polish Academy of Sciences
  • University of Maribor
  • INFN Sezione di Napoli
  • Università di Napoli Federico II
  • Humanoid Technologies Lab (H2T)
  • Charles University
  • Max-Planck-Institut für Physik
  • National Central University
  • Hanyang University
  • P.N. Lebedev Physical Institute of the Russian Academy of Sciences
  • Korea Institute of Science and Technology Information
  • Gyeongsang National University
  • Sungkyunkwan University
  • Indian Institute of Technology Hyderabad
  • Laboratoire de l'Accélérateur Linéaire
  • Fudan University
  • Pacific Northwest National Laboratory
  • Panjab University
  • Virginia Polytechnic Institute and State University
  • Univ. of Ljubljana
  • University of Hawaii
  • Niigata University
  • Nara Women's University
  • Nagoya University
  • Osaka Prefecture University
  • Indiana University Bloomington
  • Kyungpook National University
  • Kennesaw State University
  • Chonnam National University
  • Kitasato University
  • Soongsil University
  • Univ. of Cincinnati
  • Yonsei University
  • Institute of High Energy Physics Chinese Academy of Science
  • University of Munich
  • Tata Institute of Fundamental Research, Mumbai
  • INFN Sez. di Torino
  • Osaka University
  • University of Pittsburgh
  • Nippon Dental University
  • National Research Nuclear University MEPhI
  • Luther College, Decorah
  • Forschungszentrum Jülich (FZJ)
  • EPFL
  • Biodonostia Health Research Institute-CIBERNED-UPV-EHU
  • Basque Foundation for Science
  • Österreichische Akademie der Wissenschaften
  • Yamagata University
  • School of Physics
  • Tokyo Metropolitan University
  • Riken
  • Showa Pharmaceutical University
  • Japan Atomic Energy Agency
  • Duke University
  • National United University Taiwan
  • Korea University
  • University of Florida
  • University of Science and Technology of China

Publikation: Beitrag in FachzeitschriftArtikelBegutachtung

4 Zitate (Scopus)

Abstract

Using a data sample of 772×106 BB pairs collected on the Ï'(4S) resonance with the Belle detector at the KEKB asymmetric energy e+e-collider, we report the observation of B0→ppπ+π- A nd the first observation of B+→ppπ+π0. We measure a decay branching fraction of (0.83±0.17±0.17)×10-6 in B0→ppπ+π-for Mπ+π-<1.22 GeV/c2 with a significance of 5.5 standard deviations. The contribution from B0→ppK0 is excluded. We measure a decay branching fraction of (4.58±1.17±0.67)×10-6 for B+→ppπ+π0 with Mπ+π0<1.3 GeV/c2 with a significance of 5.4 standard deviations. We study the difference of the Mpp distributions in B0→ppπ+π- A nd B+→ppπ+π0.

OriginalspracheEnglisch
Aufsatznummer052012
FachzeitschriftPhysical Review D
Jahrgang101
Ausgabenummer5
DOIs
PublikationsstatusVeröffentlicht - 1 März 2020

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