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Studies of B s 2 ∗ ( 5840 ) 0 and B s 1 ( 5830 ) 0 mesons including the observation of the B s 2 ∗ ( 5840 ) 0 → B 0 K S 0 decay in proton-proton collisions at s = 8 TeV

. 2018 ; 78 (11) : 939. [epub] 20181115

Status PubMed-not-MEDLINE Language English Country France Media print-electronic

Document type Journal Article

Measurements of B s 2 ∗ ( 5840 ) 0 and B s 1 ( 5830 ) 0 mesons are performed using a data sample of proton-proton collisions corresponding to an integrated luminosity of , collected with the CMS detector at the LHC at a centre-of-mass energy of 8 TeV . The analysis studies P-wave B s 0 meson decays into B ( ∗ ) + K - and B ( ∗ ) 0 K S 0 , where the B + and B 0 mesons are identified using the decays B + → J / ψ K + and B 0 → J / ψ K ∗ ( 892 ) 0 . The masses of the P-wave B s 0 meson states are measured and the natural width of the B s 2 ∗ ( 5840 ) 0 state is determined. The first measurement of the mass difference between the charged and neutral B ∗ mesons is also presented. The B s 2 ∗ ( 5840 ) 0 decay to B 0 K S 0 is observed, together with a measurement of its branching fraction relative to the B s 2 ∗ ( 5840 ) 0 → B + K - decay.

Academy of Scientific Research and Technology of the Arab Republic of Egypt Egyptian Network of High Energy Physics Cairo Egypt

Baylor University Waco USA

Beihang University Beijing China

Benemerita Universidad Autonoma de Puebla Puebla Mexico

Bhabha Atomic Research Centre Mumbai India

Bogazici University Istanbul Turkey

Boston University Boston USA

Brown University Providence USA

Brunel University Uxbridge United Kingdom

California Institute of Technology Pasadena USA

Carnegie Mellon University Pittsburgh USA

Catholic University of America Washington DC USA

Centre de Calcul de l'Institut National de Physique Nucleaire et de Physique des Particules CNRS IN2P3 Villeurbanne France

Centro Brasileiro de Pesquisas Fisicas Rio de Janeiro Brazil

Centro de Investigacion y de Estudios Avanzados del IPN Mexico City Mexico

Centro de Investigaciones Energéticas Medioambientales y Tecnológicas Madrid Spain

CERN European Organization for Nuclear Research Geneva Switzerland

Charles University Prague Czech Republic

Chonnam National University Institute for Universe and Elementary Particles Kwangju South Korea

Chulalongkorn University Faculty of Science Department of Physics Bangkok Thailand

Cornell University Ithaca USA

Çukurova University Physics Department Science and Art Faculty Adana Turkey

Department of Physics University of Helsinki Helsinki Finland

Deutsches Elektronen Synchrotron Hamburg Germany

Escuela Politecnica Nacional Quito Ecuador

ETH Zurich Institute for Particle Physics and Astrophysics Zurich Switzerland

Fermi National Accelerator Laboratory Batavia USA

Florida Institute of Technology Melbourne USA

Florida International University Miami USA

Florida State University Tallahassee USA

Georgian Technical University Tbilisi Georgia

Ghent University Ghent Belgium

Hanyang University Seoul South Korea

Helsinki Institute of Physics Helsinki Finland

Imperial College London United Kingdom

Indian Institute of Science Bangalore India

Indian Institute of Science Education and Research Pune India

Indian Institute of Technology Madras Madras India

INFN Laboratori Nazionali di Frascati Frascati Italy

INFN Sezione di Bari Università di Bari Politecnico di Bari Bari Italy

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Institut für Hochenergiephysik Wien Austria

Institute for High Energy Physics of National Research Centre 'Kurchatov Institute' Protvino Russia

Institute for Nuclear Problems Minsk Belarus

Institute for Nuclear Research and Nuclear Energy Bulgarian Academy of Sciences Sofia Bulgaria

Institute for Nuclear Research Moscow Russia

Institute for Research in Fundamental Sciences Tehran Iran

Institute for Scintillation Materials of National Academy of Science of Ukraine Kharkov Ukraine

Institute for Theoretical and Experimental Physics Moscow Russia

Institute of Experimental Physics Faculty of Physics University of Warsaw Warsaw Poland

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Institute of Nuclear and Particle Physics NCSR Demokritos Agia Paraskevi Greece

Institute of Nuclear Research ATOMKI Debrecen Hungary

Institute of Physics University of Debrecen Debrecen Hungary

Institute Rudjer Boskovic Zagreb Croatia

Instituto de Física de Cantabria CSIC Universidad de Cantabria Santander Spain

IRFU CEA Université Paris Saclay Gif sur Yvette France

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Johns Hopkins University Baltimore USA

Joint Institute for Nuclear Research Dubna Russia

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Korea University Seoul South Korea

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Laboratoire Leprince Ringuet Ecole polytechnique CNRS IN2P3 Université Paris Saclay Palaiseau France

Laboratório de Instrumentação e Física Experimental de Partículas Lisbon Portugal

Lappeenranta University of Technology Lappeenranta Finland

Lawrence Livermore National Laboratory Livermore USA

Massachusetts Institute of Technology Cambridge USA

Middle East Technical University Physics Department Ankara Turkey

Moscow Institute of Physics and Technology Moscow Russia

MTA ELTE Lendület CMS Particle and Nuclear Physics Group Eötvös Loránd University Budapest Hungary

National and Kapodistrian University of Athens Athens Greece

National Central University Chung Li Taiwan

National Centre for Nuclear Research Swierk Poland

National Centre for Particle Physics Universiti Malaya Kuala Lumpur Malaysia

National Centre for Physics Quaid 1 Azam University Islamabad Pakistan

National Institute of Chemical Physics and Biophysics Tallinn Estonia

National Institute of Science Education and Research HBNI Bhubaneswar India

National Research Nuclear University 'Moscow Engineering Physics Institute' Moscow Russia

National Research Tomsk Polytechnic University Tomsk Russia

National Scientific Center Kharkov Institute of Physics and Technology Kharkov Ukraine

National Taiwan University Taipei Taiwan

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Petersburg Nuclear Physics Institute Gatchina Russia

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RWTH Aachen University 3 Physikalisches Institut A Aachen Germany

RWTH Aachen University 3 Physikalisches Institut B Aachen Germany

Saha Institute of Nuclear Physics HBNI Kolkata India

Sejong University Seoul South Korea

Seoul National University South Seoul Korea

Skobeltsyn Institute of Nuclear Physics Lomonosov Moscow State University Moscow Russia

State Key Laboratory of Nuclear Physics and Technology Peking University Beijing China

State University of New York at Buffalo Buffalo USA

Sungkyunkwan University Suwon South Korea

Tata Institute of Fundamental Research A Mumbai India

Tata Institute of Fundamental Research B Mumbai India

Tbilisi State University Tbilisi Georgia

Texas A and M University College Station USA

Texas Tech University Lubbock USA

The Ohio State University Columbus USA

The University of Alabama Tuscaloosa USA

The University of Iowa Iowa City USA

The University of Kansas Lawrence USA

Tsinghua University Beijing China

Universidad Autónoma de Madrid Madrid Spain

Universidad Autónoma de San Luis Potosí San Luis Potosí Mexico

Universidad de Los Andes Bogota Colombia

Universidad de Oviedo Oviedo Spain

Universidad de Sonora Hermosillo Mexico

Universidad Iberoamericana Mexico City Mexico

Universidad San Francisco de Quito Quito Ecuador

Universidade do Estado do Rio de Janeiro Rio de Janeiro Brazil

Universidade Estadual Paulista Universidade Federal do ABC São Paulo Brazil

Universität Zürich Zurich Switzerland

Université Catholique de Louvain Louvain la Neuve Belgium

Université de Lyon Université Claude Bernard Lyon 1 CNRS IN2P3 Institut de Physique Nucléaire de Lyon Villeurbanne France

Université de Strasbourg CNRS IPHC UMR 7178 Strasbourg France

Université Libre de Bruxelles Brussels Belgium

Universiteit Antwerpen Antwerpen Belgium

University College Dublin Dublin Ireland

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University of Belgrade Faculty of Physics and Vinca Institute of Nuclear Sciences Belgrade Serbia

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