Journal
PHYSICS LETTERS B
Volume 774, Issue -, Pages 64-77Publisher
ELSEVIER
DOI: 10.1016/j.physletb.2017.09.009
Keywords
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Funding
- Worldwide LHC Computing Grid (WLCG) collaboration
- A. I. Alikhanyan National Science Laboratory (Yerevan Physics Institute) Foundation (ANSL)
- State Committee of Science and World Federation of Scientists (WFS), Armenia
- Austrian Academy of Sciences and Nationalstiftung fur Forschung, Technologie und Entwicklung, Austria
- Ministry of Communications and High Technologies, National Nuclear Research Center, Azerbaijan
- Conselho Nacional de Desenvolvimento Cientifico e Tecnologico (CNPq)
- Universidade Federal do Rio Grande do Sul (UFRGS)
- Financiadora de Estudos e Projetos (Finep)
- Fundacao de Amparo a Pesquisa do Estado de Sao Paulo (FAPESP), Brazil
- Ministry of Science & Technology of China (MSTC)
- National Natural Science Foundation of China (NSFC)
- Ministry of Education of China (MOEC), China
- Ministry of Science, Education and Sports, Croatia
- Croatian Science Foundation, Croatia
- Ministry of Education, Youth and Sports of the Czech Republic, Czech Republic
- Danish Council for Independent Research Natural Sciences
- Carlsberg Foundation
- Danish National Research Foundation (DNRF), Denmark
- Helsinki Institute of Physics (HIP), Finland
- Commissariat a l'Energie Atomique (CEA)
- Institut National de Physique Nucleaire et de Physique des Particules (IN2P3)
- Centre National de la Recherche Scientifique (CNRS), France
- Bundesministerium fur Bildung, Wissenschaft, Forschung und Technologie (BMBF)
- GSI Helmholtzzentrum fur Schwerionenforschung GmbH, Germany
- General Secretariat for Research and Technology
- Ministry of Education, Research and Religions, Greece
- National Research, Development and Innovation Office, Hungary
- Department of Atomic Energy Government of India (DAE)
- Council of Scientific and Industrial Research (CSIR), New Delhi, India
- Indonesian Institute of Science, Indonesia
- Centro Fermi-Museo Storico della Fisica e Centro Studi e Ricerche Enrico Fermi
- Istituto Nazionale di Fisica Nucleare (INFN), Italy
- Institute for Innovative Science and Technology, Nagasaki Institute of Applied Science (IIST)
- Japan Society for the Promotion of Science (JSPS) KAKENHI
- Japanese Ministry of Education, Culture, Sports, Science and Technology (MEXT), Japan
- Consejo Nacional de Ciencia y Tecnologia (CONACYT), through Fondo de Cooperacion Internacional en Ciencia y Tecnologia (FONCICYT)
- Direccion General de Asuntos del Personal Academico (DGAPA), Mexico
- Nederlandse Organisatie voor Wetenschappelijk Onderzoek (NWO), Netherlands
- Research Council of Norway, Norway
- Commission on Science and Technology for Sustainable Development in the South (COMSATS), Pakistan
- Pontificia Universidad Catolica del Peru, Peru
- Ministry of Science and Higher Education and National Science Centre, Poland
- Korea Institute of Science and Technology Information
- National Research Foundation of Korea (NRF), Republic of Korea
- Ministry of Education and Scientific Research, Institute of Atomic Physics and Romanian National Agency for Science, Technology and Innovation, Romania
- Joint Institute for Nuclear Research (JINR)
- Ministry of Education and Science of the Russian Federation
- National Research Centre Kurchatov Institute, Russia
- Ministry of Education, Science, Research and Sport of the Slovak Republic, Slovakia
- National Research Foundation of South Africa, South Africa
- Centro de Aplicaciones Tecnologicas y Desarrollo Nuclear (CEADEN)
- Cubaenergia, Cuba
- Ministerio de Ciencia e Innovacion
- Centro de Investigaciones Energeticas, Medioambientales y Tecnologicas (CIEMAT), Spain
- Swedish Research Council (VR)
- Knut & Alice Wallenberg Foundation (KAW), Sweden
- European Organization for Nuclear Research, Switzerland
- National Science and Technology Development Agency (NSDTA)
- Suranaree University of Technology (SUT)
- Office of the Higher Education Commission under NRU project of Thailand, Thailand
- Turkish Atomic Energy Agency (TAEK), Turkey
- National Academy of Sciences of Ukraine, Ukraine
- Science and Technology Facilities Council (STFC), United Kingdom
- National Science Foundation of the United States of America (NSF)
- United States Department of Energy, Office of Nuclear Physics (DOE NP), United States of America
- Science and Technology Facilities Council [ST/M00158X/1, ST/J000108/1, 1657698, ST/L005751/1, 1796881, 2017 STFC Nuclear Physics CG, ST/P004598/1, 2014 STFC Nuclear Physics CG, 1843572, ST/M001601/1, ST/M00340X/1, ST/N00261X/1, ST/M001598/1, ST/P005438/1, 1523365, ALICE, ST/L005670/1] Funding Source: researchfish
- STFC [ST/M001601/1, 1657698, ALICE, 2014 STFC Nuclear Physics CG, ST/M00158X/1, ST/M00340X/1, ST/P005438/1, ST/M001598/1, ST/L005670/1, ST/L005751/1, ST/N00261X/1, 1796881, ST/P004598/1, 1843572, 2017 STFC Nuclear Physics CG, ST/J000108/1] Funding Source: UKRI
- Grants-in-Aid for Scientific Research [17H01122] Funding Source: KAKEN
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We present the first ever measurements of femtoscopic correlations between the K-S(0) and K-+/- particles. The analysis was performed on the data from Pb-Pb collisions at root S-NN = 2.76 TeV measured by the ALICE experiment. The observed femtoscopic correlations are consistent with final-state interactions proceeding via the a(0)(980) resonance. The extracted kaon source radius and correlation strength parameters for (KSK-)-K-0 are found to be equal within the experimental uncertainties to those for (KSK+)-K-0. Comparing the results of the present study with those from published identical-kaon femtoscopic studies by ALICE, mass and coupling parameters for the a(0) resonance are tested. Our results are also compatible with the interpretation of the a(0) having a tetraquark structure instead of that of a diquark. (c) 2017 The Author. Published by Elsevier B.V.
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