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Conference paper

Tvorba eta mezona u nn sudarima

J. Haidenbauer ; Institut für Kernphysik, Forschungszentrum Jülich GmbH, D-52425 Jülich, Germany
V. Baru ; Institut für Kernphysik, Forschungszentrum Jülich GmbH, D-52425 Jülich, Germany; Institute of Theoretical and Experimental Physics, 117259, B.Cheremushkinskaya 25, Moscow, Russia
A. M. Gasparyan ; Institut für Kernphysik, Forschungszentrum Jülich GmbH, D-52425 Jülich, Germany; Institute of Theoretical and Experimental Physics, 117259, B.Cheremushkinskaya 25, Moscow, Russia
C. Hanhart ; Institut für Kernphysik, Forschungszentrum Jülich GmbH, D-52425 Jülich, Germany
J. Speth ; Institut für Kernphysik, Forschungszentrum Jülich GmbH, D-52425 Jülich, Germany


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Abstract

Predstavljamo model za računanje tvorbe η mezona blizu praga u sudarima nukleon-nukleon. Tvorba η mezona opisuje se elementarnim procesima ponovnog raspršenja putem MN→ ηN, sa M = π, ρ, η i σ. Odnosne amplitude uzimaju se od višekanalnog modela izmjene mezona u sustavu πN koji je razvila grupa u Jülichu. Učinci međudjelovanja u konačnom stanju kao i u početnom stanju uzeti su u obzir mikroskopski.

Keywords

Hrčak ID:

305605

URI

https://hrcak.srce.hr/305605

Publication date:

1.3.2004.

Article data in other languages: english

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