arXiv:nucl-th/0608072·v2·Nuclear Theory
K^- ^3He and K^+K^- interactions in the pd -> ^3He K^+K^- reaction
V. Yu. Grishina🇷🇺 · M. Buescher🇩🇪 · L. A. Kondratyuk🇷🇺
Abstract
We investigate the K^- ^3He and K^+ K^- interactions in the reaction pd -> ^3He K^+ K^- near threshold and compare our model calculations with data from the MOMO experiment at COSY-Juelich. A large attractive effective K^- p amplitude would give a significant K^- ^3He final-state interaction effect which is not supported by the experimental data. We also estimate upper limits for the a_0(980) and f_0(980) contributions to the produced K^+ K^- pairs.
Comments: 5 pages, 2 figures, accepted for publication in PRC