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Spectral representation for u- and t-channel exchange processes in a partial-wave decomposition

  1. TitleSpectral representation for u- and t-channel exchange processes in a partial-wave decomposition
    Author infoMatthias F. M. Lutz, Evgeni E. Kolomeitsev, C. L. Korpa
    Author Lutz Matthias F. M. (34%)
    Co-authors Kolomeitsev Evgeni E. 1970- (33%) UMBFP06 - Katedra fyziky
    Korpa C. L. (33%)
    Source document Physical Review D : covering particles, fields, gravitation, and cosmology. Vol. 92, no. 1 (2015), pp. 016003-1-016003-18. - Maryland : American Physical Society, 2015
    Keywords čiastočné vlny   fyzika - physics   partial wave  
    LanguageEnglish
    CountryUnited States of America
    systematics 53
    AnnotationWe study the analytic structure of partial-wave amplitudes derived from u- and t-channel exchange processes. The latter plays a crucial role in dispersion-theory approaches to coupled-channel systems that model final state interactions in QCD. A general spectral representation is established that is valid in the presence of anomalous thresholds, decaying particles or overlapping left-hand and right-hand cut structures as it occurs frequently in hadron physics. The results are illustrated at hand of ten specific processes
    Public work category ADC
    No. of Archival Copy33414
    Catal.org.BB301 - Univerzitná knižnica Univerzity Mateja Bela v Banskej Bystrici
    Databasexpca - PUBLIKAČNÁ ČINNOSŤ
    ReferencesPERIODIKÁ-Súborný záznam periodika
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