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Three-pion Hanbury Brown-Twiss correlations in relativistic heavy-ion collisions from the STAR experiment

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    0101877 - UJF-V 20043063 RIV GB eng J - Journal Article
    Adams, J. - Chaloupka, Petr - Lednický, R. - Šumbera, Michal - Zborovský, Imrich
    Three-pion Hanbury Brown-Twiss correlations in relativistic heavy-ion collisions from the STAR experiment.
    [Tří pionové Hanbury Brown-Twiss korelace v relativistických srážkách těžkých iontů z experimentu STAR.]
    Physical Review Letters. Roč. 91, č. 26 (2003), s. 262301. ISSN 0031-9007. E-ISSN 1079-7114
    R&D Projects: GA MŠMT ME 475
    Institutional research plan: CEZ:AV0Z1048901
    Keywords : interferometry
    Subject RIV: BF - Elementary Particles and High Energy Physics
    Impact factor: 7.035, year: 2003

    Data from the first physics run at the Relativistic Heavy-Ion Collider at Brookhaven National Laboratory, Au+Au collisions at roots(NN)=130 GeV, have been analyzed by the STAR Collaboration using three-pion correlations with charged pions to study whether pions are emitted independently at freeze-out. We have made a high-statistics measurement of the three-pion correlation function and calculated the normalized three-particle correlator to obtain a quantitative measurement of the degree of chaoticity of the pion source. It is found that the degree of chaoticity seems to increase with increasing particle multiplicity.

    Analýza dat z prvního fyzikálního spuštění relativistického kolideru těžkých iontů v Brookhaven národní laboratoři srážek Au+Au při energii 130 GeV v kolaboraci STAR za účelem studia tří pionových kolerací s nabitými piony pro zjištění nezávislé emise při zamrznutí.
    Permanent Link: http://hdl.handle.net/11104/0009262
     
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