Journal
PHYSICAL REVIEW D
Volume 106, Issue 5, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.106.052010
Keywords
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Funding
- Grid centres
- Worldwide LHC Computing Grid (WLCG)
- A. I. Alikhanyan National Science Laboratory (Yerevan Physics Institute) Foundation (ANSL), Armenia
- State Committee of Science and World Federation of Scientists (WFS), Armenia
- Austrian Academy of Sciences, Austrian Science Fund (FWF), Austria [M 2467-N36]
- 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), Brazil
- Financiadora de Estudos e Projetos (Finep), Brazil
- Fundacao de Amparo `a Pesquisa do Estado de Sao Paulo (FAPESP), Brazil
- Universidade Federal do Rio Grande do Sul (UFRGS), Brazil
- Ministry of Education of China (MOEC), China
- Ministry of Science and Technology of China (MSTC), China
- National Natural Science Foundation of China (NSFC), China
- Ministry of Science and Education and Croatian Science Foundation, Croatia
- Centro de Aplicaciones Tecnologicas y Desarrollo Nuclear (CEADEN), Cubaenergia, Cuba
- Ministry of Education, Youth and Sports of the Czech Republic, Czech Republic
- Danish Council for Independent Research | Natural Sciences, Denmark
- VILLUM FONDEN and Danish National Research Foundation (DNRF), Denmark
- Helsinki Institute of Physics (HIP), Finland
- Commissariat `a l'Energie Atomique (CEA), France
- Institut National de Physique Nucleaire et de Physique des Particules (IN2P3), France
- Centre National de la Recherche Scientifique (CNRS), France
- Bundesministerium fur Bildung und Forschung (BMBF), Germany
- 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), India
- Department of Science and Technology, Government of India (DST), India
- University Grants Commission, Government of India (UGC), India
- Council of Scientific and Industrial Research (CSIR), India
- Indonesian Institute of Science, Indonesia
- Istituto Nazionale di Fisica Nucleare (INFN), Italy
- Japanese Ministry of Education, Culture, Sports, Science and Technology (MEXT), Japan
- Japan Society for the Promotion of Science (JSPS) KAKENHI, Japan
- Consejo Nacional de Ciencia (CONACYT) y Tecnologia, through Fondo de Cooperacion Internacional en Ciencia y Tecnologia (FONCICYT), Mexico
- 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 Education and Science, National Science Centre and WUT ID-UB, Poland
- Korea Institute of Science and Technology Information and National Research Foundation of Korea (NRF), Republic of Korea
- Ministry of Education and Scientific Research, Institute of Atomic Physics, Romania
- Ministry of Research and Innovation and Institute of Atomic Physics and University Politehnica of Bucharest, Romania
- Joint Institute for Nuclear Research (JINR), Russia
- Ministry of Education and Science of the Russian Federation, Russia
- National Research Centre Kurchatov Institute, Russia
- Russian Science Foundation and Russian Foundation for Basic Research, Russia
- Ministry of Education, Science, Research and Sport of the Slovak Republic, Slovakia
- National Research Foundation of South Africa, South Africa
- Swedish Research Council (VR), Sweden
- Knut & Alice Wallenberg Foundation (KAW), Sweden
- European Organization for Nuclear Research, Switzerland
- Suranaree University of Technology (SUT), Thailand
- National Science and Technology Development Agency (NSDTA), Thailand
- Thailand Science Research and Innovation (TSRI), Thailand
- National Science, Research and Innovation Fund (NSRF), Thailand
- Turkish Energy, Nuclear and Mineral Research Agency (TENMAK), 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 of America
- United States Department of Energy, Office of Nuclear Physics (DOE NP), United States of America
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This study presents the first measurement of the interaction between charm hadrons and nucleons, revealing some unexpected phenomena.
This article presents the first measurement of the interaction between charm hadrons and nucleons. The two-particle momentum correlations of pD(-) and (p) over barD(+) pairs are measured by the ALICE Collaboration in high-multiplicity pp collisions at root s = 13 TeV. The data are compatible with the Coulomb-only interaction hypothesis within (1.1-1.5)sigma. The level of agreement slightly improves if an attractive nucleon (N)(D) over bar strong interaction is considered, in contrast to most model predictions which suggest an overall repulsive interaction. This measurement allows for the first time an estimation of the 68% confidence level interval for the isospin I = 0 inverse scattering length of the N (D) over bar state f(0,I=0)(-1) is an element of[-0.4, 0.9] fm(-1), assuming negligible interaction for the isospin I = 1 channel.
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