LOW ENERGY ANTIKAON-NUCLEON/NUCLEI INTERACTION STUDIES BY AMADEUS

被引:3
|
作者
Piscicchia, K. [1 ,2 ,3 ]
Cargnelli, M. [4 ]
Curceanu, C. [3 ]
Del Grande, R. [3 ]
Fabbietti, L. [5 ,6 ]
Guaraldo, C. [3 ]
Marton, J. [4 ]
Moskal, P. [7 ]
Scordo, A. [3 ]
Silarski, M. [7 ]
Sirghi, D. [3 ,8 ]
Skurzok, M. [7 ]
Tucakovic, I. [9 ]
Doce, O. Vazquez [5 ,6 ]
Wycech, S. [10 ]
Widmann, E. [4 ]
Zmeskal, J. [4 ]
机构
[1] Museo Stor Fis, Ctr Fermi, Rome, Italy
[2] Ctr Studi & Ric Enrico Fermi, Rome, Italy
[3] INFN, Lab Nazl Frascati, Rome, Italy
[4] Stefan Meyer Inst Subatomare Phys, Vienna, Austria
[5] Excellence Cluster Origin & Struct Universe, D-85748 Garching, Germany
[6] Tech Univ Munich, Phys Dept E12, D-85748 Garching, Germany
[7] Jagiellonian Univ, M Smoluchowski Inst Phys, Krakow, Poland
[8] Horia Hulubei Natl Inst Phys & Nucl Engn, IFIN HH, Magurele, Romania
[9] Rudjer Boskovic Inst, Zagreb, Croatia
[10] Natl Ctr Nucl Res, Warsaw, Poland
基金
奥地利科学基金会;
关键词
CHIRAL DYNAMICS; SEARCH; KAON;
D O I
10.5506/APhysPolBSupp.11.609
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
The AMADEUS experiment at the DA Phi NE collider of LNF-INFN deals with the investigation of the at-rest, or low-momentum, K- interactions in light nuclear targets, with the aim to constrain the low energy QCD models in the strangeness sector. The 0 step of the experiment consisted in the reanalysis of the 2004/2005 KLOE data, exploiting K- absorptions in H, He-4, Be-9 and C-12, leading to the first invariant mass spectroscopic study with very low momentum (about 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 first measurement of the non-resonant transition amplitude vertical bar A(K-n -> A pi-)vertical bar at root s = 33 MeV below the (K) over barN threshold is presented, in relation with the Lambda(1405) properties studies.
引用
收藏
页码:609 / 616
页数:8
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