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The importance of the eta exchange in the pp->pp eta process up to Tlab = 4.5 GeV


Ceci, Saša; Švarc, Alfred; Zauner, Branimir
The importance of the eta exchange in the pp->pp eta process up to Tlab = 4.5 GeV // Physica Scripta, 73 (2006), 663-671 (međunarodna recenzija, članak, znanstveni)


Naslov
The importance of the eta exchange in the pp->pp eta process up to Tlab = 4.5 GeV

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

Izvornik
Physica Scripta (0031-8949) 73 (2006); 663-671

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

Ključne riječi
Meson production; Nucleon-nucleon interaction; Eta meson; Inelastic proton scattering

Sažetak
The new and improved treatment of eta meson exchange diagrams turns out to be essential in order to fully describe both total cross-sections and, in particular, the challenging pp invariant mass distributions. Contrary to other approaches, the eta meson contribution in our model is comparable with the leading pi meson exchange term, and using the phenomenological final state interaction we have no need to include other mesons, like rho and omega, in order to obtain good agreement with experiment.

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