Search for pentaquark states in Z decays

Risultato della ricerca: Articlepeer review

68 Citazioni (Scopus)


Exotic hadrons made of five quarks (pentaquarks) are searched for in hadronic Z decays collected by the ALEPH detector at LEP. No significant signal is observed. At 95% C.L., upper limits are set on the production rates N of such particles and their charge-conjugate state per Z decay: N Θ(1535)+·BR(Θ(1535)+→pK S 0)<6.2×10-4, N Ε(1862)-·BR(Ε(1862)-→Ε -π-)<4.5×10-4, N Ε(1862)0·BR(Ε(1862)0→Ε -π+)<8.9×10-4, N Θc(3100)0·BR(Θc(3100) 0→D*-p)<6.3×10-4, N Θc(3100)0·BR(Θc(3100) 0→D-p)<31×10-4.
Lingua originaleEnglish
pagine (da-a)1-16
Numero di pagine16
Stato di pubblicazionePublished - 2004

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

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