Naslov
Low-energy antikaon-nucleon/nuclei interaction studies by AMADEUS

Autori
Piscicchia, K. ; Cargnelli, M. ; Curceanu, C. ; Del Grande, R. ; Fabbietti, L. ; Guaraldo, C. ; Marton, J. ; Moskal, P. ; Scordo, A. ; Silarski, M. ; Sirghi, D. ; Skurzok, M. ; Tucaković, Ivana ; Vazquez Doce, O. ; Wycech, S. ; Widmann, E. ; Zmeskal, J.

Izvornik
Acta physica Polonica B (0587-4254) 48 (2017), 10; 1875-1880

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

Ključne riječi
Chiral dynamics ; Bound state ; K^- absorption

Sažetak
The AMADEUS experiment deals with the investigation of the low energy kaon–nuclei hadronic interaction at the DAΦNE collider at LNF-INFN, which is fundamental to solve longstanding questions in the nonperturbative strangeness QCD sector. AMADEUS step 0 consisted in the reanalysis of the 2004/2005 KLOE data, exploiting K^− absorptions in H, ^4He, ^9Be and ^{; ; ; 12}; ; ; C, leading to the first invariant mass spectroscopy study with very low-momentum (100 MeV) in-flight K^− captures. With AMADEUS step 1, a dedicated pure carbon target was implemented in the central region of the KLOE detector, providing a high statistic sample of pure at-rest K^− nuclear interaction. The results obtained in the analyses of the hyperon–pion correlated events, searching for the resonant shapes of Y states, will be described.

Izvorni jezik
Engleski

Znanstvena područja
Fizika

POVEZANOST RADA