Accessing the deuteron source with pion-deuteron femtoscopy in Pb-Pb collisions at <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mrow> <mml:msqrt> <mml:msub> <mml:mi>s</mml:mi> <mml:mrow> <mml:mi>N</mml:mi> <mml:mi>N</mml:mi> </mml:m

Femtoscopy of nonidentical particle pairs has been instrumental for precision measurements of both two-particle sources and the final-state interactions in high-energy elementary and heavy-ion collisions. The majority of measurements assessing the source properties are based on identical particle pairs, providing direct access to the characteristics of the single-particle source. The work in this paper demonstrates, via femtoscopy measurements of charged pion-deuteron pairs in Pb-Pb collisions at <a:math xmlns:a="http://www.w3.org/1998/Math/MathML"> <a:mrow> <a:msqrt> <a:msub> <a:mi>s</a:mi> <a:mi>NN</a:mi> </a:msub> </a:msqrt> <a:mo>=</a:mo> <a:mn>5.02</a:mn> </a:mrow> </a:math> TeV, the feasibility of accessing the characteristics of the single-particle femtoscopic source by using particle pairs with large mass differences such as pions and deuterons. The first experimental results of the measurement of deuteron source sizes in ultrarelativistic heavy-ion collisions are presented. The results show good agreement with the trend derived from other charged hadrons such as pions, kaons, and protons as a function of transverse mass, indicating similar source properties.

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Journal
Physical review. C
Published
2025-10-31
DOI
https://doi.org/10.1103/mrp4-z4hh
Primary Topic
High-Energy Particle Collisions Research
Type
article
Field-Weighted Citation Impact
0.00

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article

Accessing the deuteron source with pion-deuteron femtoscopy in Pb-Pb collisions at <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mrow> <mml:msqrt> <mml:msub> <mml:mi>s</mml:mi> <mml:mrow> <mml:mi>N</mml:mi> <mml:mi>N</mml:mi> </mml:m

Karl J. Friston
Physical review. C
High-Energy Particle Collisions Research
article

Accessing the deuteron source with pion-deuteron femtoscopy in Pb-Pb collisions at <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mrow> <mml:msqrt> <mml:msub> <mml:mi>s</mml:mi> <mml:mrow> <mml:mi>N</mml:mi> <mml:mi>N</mml:mi> </mml:m

Karl J. Friston
article en

Abstract

Femtoscopy of nonidentical particle pairs has been instrumental for precision measurements of both two-particle sources and the final-state interactions in high-energy elementary and heavy-ion collisions. The majority of measurements assessing the source properties are based on identical particle pairs, providing direct access to the characteristics of the single-particle source. The work in this paper demonstrates, via femtoscopy measurements of charged pion-deuteron pairs in Pb-Pb collisions at <a:math xmlns:a="http://www.w3.org/1998/Math/MathML"> <a:mrow> <a:msqrt> <a:msub> <a:mi>s</a:mi> <a:mi>NN</a:mi> </a:msub> </a:msqrt> <a:mo>=</a:mo> <a:mn>5.02</a:mn> </a:mrow> </a:math> TeV, the feasibility of accessing the characteristics of the single-particle femtoscopic source by using particle pairs with large mass differences such as pions and deuterons. The first experimental results of the measurement of deuteron source sizes in ultrarelativistic heavy-ion collisions are presented. The results show good agreement with the trend derived from other charged hadrons such as pions, kaons, and protons as a function of transverse mass, indicating similar source properties.

Physical review. CVol. 112(6)
Université Claude Bernard Lyon 1 (FR), University of Foggia (IT), Warsaw University of Technology (PL), University of Messina (IT), Hiroshima University (JP), Goethe University Frankfurt (DE), Creighton University (US), Università degli Studi del Piemonte Orientale “Amedeo Avogadro” (IT), University of Copenhagen (DK), University of Science and Technology of China (CN), Jagiellonian University (PL), Variable Energy Cyclotron Centre (IN), Oak Ridge National Laboratory (US), Centre National de la Recherche Scientifique (FR), Universidade Federal do Rio Grande do Sul (BR), A. Alikhanyan National Laboratory (AM), Gangneung–Wonju National University (KR), University of Bonn (DE), Gauhati University (IN), University of Jammu (IN), University of Tsukuba (JP), University of Kansas (US), University of Liverpool (GB), Lawrence Berkeley National Laboratory (US), National Academy of Sciences of Ukraine (UA), California Polytechnic State University (US), Bose Institute (IN), Saha Institute of Nuclear Physics (IN), Indian Institute of Technology Bombay (IN), National Institute of Science Education and Research (IN), Chungbuk National University (KR), GSI Helmholtz Centre for Heavy Ion Research (DE), Aligarh Muslim University (IN), Saga University (JP), University of Zagreb (HR), Universidade Estadual de Campinas (UNICAMP) (BR), Technical University of Košice (SK), University of Oslo (NO), Wayne State University (US), Lund University (SE), Nagasaki Institute of Applied Science (JP), Inha University (KR), University of the Witwatersrand (ZA), Utrecht University (NL), Yonsei University (KR), Universidad Autónoma de Sinaloa (MX), Université Clermont Auvergne (FR), Homi Bhabha National Institute (IN), National and Kapodistrian University of Athens (GR), University of Pavol Jozef Šafárik (SK), Slovak Academy of Sciences (SK), University of Derby (GB), Heidelberg University (DE), University of Münster (DE), Fudan University (CN), University of Pavia (IT), Commissariat à l'Énergie Atomique et aux Énergies Alternatives (FR), Université Paris-Saclay (FR), Helsinki Institute of Physics (FI), University of South-Eastern Norway (NO), Frankfurt Institute for Advanced Studies (DE), Daresbury Laboratory (GB), Sejong University (KR), Institut Pluridisciplinaire Hubert Curien (FR), China University of Geosciences (CN), Yale University (US), Central China Normal University (CN), Yıldız Technical University (TR), Horia Hulubei National Institute for R and D in Physics and Nuclear Engineering (RO), National Institute for Subatomic Physics (NL), China Institute of Atomic Energy (CN), National Centre for Nuclear Research (PL), Institut de Physique (FR), Istituto Nazionale di Fisica Nucleare, Sezione di Torino (IT), Laboratoire de Physique de Clermont Auvergne (FR), Istituto Nazionale di Fisica Nucleare, Sezione di Padova (IT), Institute of Nuclear Physics, Polish Academy of Sciences (PL), Laboratoire de Physique Subatomique et des Technologies Associées (FR), Istituto Nazionale di Fisica Nucleare, Sezione di Pavia (IT), Istituto Nazionale di Fisica Nucleare, Sezione di Bari (IT), Istituto Nazionale di Fisica Nucleare, Sezione di Catania (IT), FZU ‒ Institute of Physics of the Academy of Sciences of the Czech Republic (CZ), HUN-REN Wigner Research Centre for Physics (HU), IMT Atlantique (FR), CEA Paris-Saclay (FR), Istituto Nazionale di Fisica Nucleare, Sezione di Cagliari (IT), National Nuclear Research Center (AZ), Institut National de Physique Nucléaire et de Physique des Particules (FR), Laboratoire de Physique des 2 Infinis Irène Joliot-Curie (FR), South Great Plain Regional Innovation Agency (HU), Laboratoire de Physique Subatomique et de Cosmologie (FR), Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di Frascati (IT), Hospital Universitário da Universidade de São Paulo (BR), Institute of Space Science - INFLPR Subsidiary (RO), Istituto Nazionale di Fisica Nucleare, Sezione di Bologna (IT), Czech Academy of Sciences, Nuclear Physics Institute (CZ), Istituto di Cibernetica “Eduardo Caianiello” (IT), Istituto Nazionale di Fisica Nucleare, Sezione di Trieste (IT), Stefan Meyer Institute for Subatomic Physics (AT), Bogolyubov Institute for Theoretical Physics (UA), Institut de Recherche sur les Lois Fondamentales de l'Univers (FR), Centro de Aplicaciones Tecnológicas y Desarrollo Nuclear (CU), National Research and Innovation Agency (ID), University of Bergen (NO), University of Houston (US), Czech Technical University in Prague (CZ), Pusan National University (KR), Panjab University (IN), The Ohio State University (US), Universitatea Națională de Știință și Tehnologie Politehnica București (RO), Technical University of Munich (DE), Indian Institute of Technology Indore (IN), Pontificia Universidad Católica del Perú (PE), European Organization for Nuclear Research (CH), Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (MX), AGH University of Krakow (PL), Polytechnic University of Bari (IT), Université de Strasbourg (FR), Universidade Federal do ABC (BR), Benemérita Universidad Autónoma de Puebla (MX), Chicago State University (US), Comenius University Bratislava (SK), The University of Tokyo (JP), University of Tennessee at Knoxville (US), University of Birmingham (GB), University of Brescia (IT), Jeonbuk National University (KR), University of Tübingen (DE), Suranaree University of Technology (TH), Sungkyunkwan University (KR), The University of Texas at Austin (US), National Research Foundation (ZA), Korea Institute of Science & Technology Information (KR), Universidad Nacional Autónoma de México (MX), Université Grenoble Alpes (FR), University of Jyväskylä (FI), Nantes Université (FR), Nara Women's University (JP)
National Science Foundation, U.S. Department of Energy, Villum Fonden, CERN, Türkiye Enerji, Nükleer ve Maden Araştırma Kurumu, Badan Riset dan Inovasi Nasional, European Commission, National Research Foundation, Department of Science and Technology, Ministry of Science and Technology, India, Council of Scientific and Industrial Research, India, University Grants Commission, Deutsche Forschungsgemeinschaft, Ministry of Education, Culture, Sports, Science and Technology, Danmarks Grundforskningsfond, Fundação de Amparo à Pesquisa do Estado de São Paulo, National Natural Science Foundation of China, Österreichischen Akademie der Wissenschaften, Grantová Agentura České Republiky, Ministry of Education of the People's Republic of China, Bundesministerium für Bildung und Forschung, Austrian Science Fund, Consejo Nacional de Ciencia y Tecnología, Nederlandse Organisatie voor Wetenschappelijk Onderzoek, General Secretariat for Research and Technology, Conselho Nacional de Desenvolvimento Científico e Tecnológico, Korea Institute of Science and Technology, Korea Institute of Science and Technology Information, National Research Foundation of Korea, Knut och Alice Wallenbergs Stiftelse, National Science and Technology Development Agency, Suranaree University of Technology, Vetenskapsrådet, Hrvatska Zaklada za Znanost, Centre National de la Recherche Scientifique, Financiadora de Estudos e Projetos, Danmarks Frie Forskningsfond, Universidade Federal do Rio Grande do Sul, Norges Forskningsråd, Forskningsrådet om Hälsa, Arbetsliv och Välfärd, State Committee of Science, Fondo de Cooperación Internacional en Ciencia y Tecnología, Pontificia Universidad Católica del Perú, Istituto Nazionale di Fisica Nucleare, Centro de Aplicaciones Tecnológicas y Desarrollo Nuclear, Science and Technology Facilities Council, Japan Society for the Promotion of Science, Dirección General de Asuntos del Personal Académico, Universidad Nacional Autónoma de México, GSI Helmholtzzentrum für Schwerionenforschung, Institut National de Physique Nucléaire et de Physique des Particules, National Research, Development and Innovation Office, Nuclear Physics, FP7 International Cooperation
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