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Comment on "Mass and K Lambda Coupling of the N*(1535)"


Ceci, Saša; Švarc, Alfred; Zauner, Branimir
Comment on "Mass and K Lambda Coupling of the N*(1535)" // Physical Review Letters, 102 (2009), 20; 209101-1 doi:10.1103/PhysRevLett.102.209101 (podatak o recenziji nije dostupan, komentar, znanstveni)


Naslov
Comment on "Mass and K Lambda Coupling of the N*(1535)"

Autori
Ceci, Saša ; Švarc, Alfred ; Zauner, Branimir

Izvornik
Physical Review Letters (0031-9007) 102 (2009), 20; 209101-1

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, komentar, znanstveni

Ključne riječi
Baryon resonances; hadronic decays

Sažetak
It is argued in [1] that when the strong coupling to the K Lambda channel is considered, Breit-Wigner mass of the lightest orbital excitation of the nucleon N(1535) shifts to a lower value. The new value turned out to be smaller than the mass of the lightest radial excitation N(1440), which effectively solved the long-standing problem of conventional constituent quark models. In this Comment we show that it is not the Breit-Wigner mass of N(1535) that is decreased, but its bare mass. [1] B. C. Liu and B. S. Zou, Phys. Rev. Lett. 96, 042002 (2006).

Izvorni jezik
Engleski

Znanstvena područja
Fizika



POVEZANOST RADA


Projekt / tema
098-0000000-3195 - Hadronska fizika između eksperimenata i QCD modela (Alfred Švarc, )

Ustanove
Institut "Ruđer Bošković", Zagreb

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus
  • MEDLINE


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