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Pi N -> eta N data demand the existence of N(1710) P11 resonance reducing the 1700 MeV continuum ambiguity


Ceci, Saša; Švarc, Alfred; Zauner, Branimir
pi N -> eta N data demand the existence of N(1710) P11 resonance reducing the 1700 MeV continuum ambiguity // Physical Review Letters, 97 (2006), 062002/1-4 (međunarodna recenzija, članak, znanstveni)


Naslov
Pi N -> eta N data demand the existence of N(1710) P11 resonance reducing the 1700 MeV continuum ambiguity

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

Izvornik
Physical Review Letters (0031-9007) 97 (2006); 062002/1-4

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

Ključne riječi
Nucleon resonances; P11(1710); continuum ambiguity

Sažetak
In spite of prolonged polemics, the agreement on the existence of N(1710) P11 resonance has not until now been reached, and the Particle Data Group declares it as a 3-star resonance only. We show that the proper inclusion of inelastic channels in the coupled-channel formalism indisputably demands the existence of N(1710) P11 state, and that it presumably stays "hidden" within the continuum ambiguity of any typical single channel partial wave analyses. Consequently, its Particle Data Group confidence rating should be raised to a 4-star resonance.

Izvorni jezik
Engleski

Znanstvena područja
Fizika



POVEZANOST RADA


Projekt / tema
0098009

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