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Analysis of the eta meson production mechanism via the p(pol)p-->ppeta reaction
R. Czyzykiewicz, H. -H. Adam, A. Budzanowski +23
Polarisation observables constitute a powerful tool for establishing the production mechanism of the eta meson and for infering the presence of higher partial waves in the final sy…
Production of eta and eta-prime mesons via the quasi-free proton-neutron interaction
P. Moskal, H. -H. Adam, A. Budzanowski +24
A comparison of the close-to-threshold total cross sections for the eta-prime meson production in both the pp --> pp eta-prime and pn --> pn eta-prime reactions should provide insi…
Associated strangeness production in pp collisions near threshold
P. Winter, H. -H. Adam, A. Budzanowski +23
Motivated by the ongoing discussion concerning the nature of the scalar resonances f0(980) and a0(980), the COSY-11 collaboration has taken exclusive data on the pp->ppK+K- reactio…
Analysing power A(y) in the reaction p(pol.)p --> pp eta near threshold
P. Winter, H. H. Adam, A. Budzanowski +23
A first measurement of the analysing power in the reaction p(pol)p --> pp eta near the production threshold has been performed at the internal facility COSY-11 at the COoler SYnchr…
Upper limit for the cross section of the overlapping scalar resonances f0(980) and a0(980) produced in proton-proton collisions in the range of the reaction threshold
P. Moskal, H. -H. Adam, A. Budzanowski +26
Utilizing a missing mass technique we investigate the pp --> ppX reaction scanning beam energies in the range permitting to create a mass close to that of the f0(980) and a0(980) s…
Experimental study of pp eta dynamics in the pp --> ppeta reaction
P. Moskal, H. -H. Adam, A. Budzanowski +24
A high statistics measurement of the pp --> ppeta reaction at an excess energy of Q = 15.5 MeV has been performed at the internal beam facility COSY-11. The stochastically cooled p…