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Yano-Koonin-Podgoretskii parametrisation of the Hanbury Brown-Twiss correlator

  1. TitleYano-Koonin-Podgoretskii parametrisation of the Hanbury Brown-Twiss correlator
    Author infoY.-F. Wu ... [et al.]
    Author Wu Y.- F. (25%)
    Co-authors Heinz Ulrich (25%)
    Tomášik Boris 1972- (25%)
    Wiedemann Urs Achim (25%)
    Source document The European Physical Journal C : Particles and Fields. Vol. 1, no. 3-4 (1998), pp. 599-617. - Berlin : Springer-Verlag, 1998
    Keywords heavy ion collisions   fyzika - physics  
    LanguageEnglish
    CountryUnited States of America
    systematics 53
    AnnotationThe Yano-Koonin-Podgoretskii (YKP) parametrisation of Hanbury Brown-Twiss (HBT) two-particle correlation functions opens new strategies for extracting the emission duration and testing the longitudinal expansion in heavy-ion collisions. Based on the recently derived model-independent expressions, we present a detailed parameter study of the EXP parameters for a finite, hydrodynamically expanding source model of heavy-ion collisions. For the class of models studied here, we show that the three YKP radius parameters have an interpretation as longitudinal extension, transverse extension and emission duration of the source in the YKP frame. This frame is specified by the fourth fit parameter, the Yano-Koonin velocity which describes to a good approximation the velocity of the fluid element with highest emissivity and allows to test for the longitudinal expansion of the source. Deviations from this interpretation of the YKP parameters are discussed quantitatively.
    URLLink do databázy WoS
    Public work category ADC
    No. of Archival Copy40003
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    Catal.org.BB301 - Univerzitná knižnica Univerzity Mateja Bela v Banskej Bystrici
    Databasexpca - PUBLIKAČNÁ ČINNOSŤ
    ReferencesPERIODIKÁ-Súborný záznam periodika
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Number of the records: 1  

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