Abstract
The AMADEUS collaboration is providing unique experimental information on the low-energy strong interaction between K− and nucleons exploiting the low momentum K− (pK ∼ 127 MeV/c) produced at the DAΦNE collider and using the KLOE detector as active target. The absorption of the K− in light nuclei (H, 4He, 9Be and 12C) are investigated and hyperon-pion/hyperon-nucleons, emitted in the final state, are reconstructed. In the present work the results obtained from the study of Λπ−, Ap and At correlated production will be presented.
Highlights
The antikaon-nucleon (KN) strong interaction potential is attractive in nuclear medium due to the existence of the A(1405) and the £(1385) (I=1) resonances in the energy region below the KN threshold
In phenomenological potential models [3, 4, 5, 6, 7] the A(1405) is interpreted as a pure KN bound state with a Binding Energy (BE) of about 27 MeV, in chiral models [8, 9, 10, 11, 12] two states emerge in the neighborhood of the A(1405) mass, the higher mass state is coupled to the KN channel leading to a weaker attraction
In K - induced reactions the non-resonant £ n production contribution has to be considered in order to extract information of the resonance properties
Summary
R. D el G rande1,2, M. B azzi1, A. M. Bragadireanu3, D. Bosnar4, M. Cargnelli5, A. C lozza1, C. Curceanu1, L. D e P aolis1,6, L. Fabbietti7,8, F. G hio9 10, C. G uaraldo1, M. Iliescu1, M. Iwasaki11, P. Levi Sandri1, J. M arton5, M. M iliucci1, P. M oskal12, S. Okada11, K. Piscicchia2,1, A. R am os13, A. Scordo1, M. Silarski12, D. L. Sirghi1,3, F. Sirghi1,3, M. Skurzok1,12, A. Spallone1, O. Vazquez D oce7,8, E. W idm ann5, S. W ycech14, J. Zmeskal5
Sign-in/Register to view highlights & summary Sign-in/Register to access full text options 
Free) 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
