KKK three-body resonance is discussed based on the coupled-channel complex-scaling method. We introduce three channels KKK, ππK and πηK and determine the resonance energy and width using two-body KK, KK − ππ, KK − πη and πK potentials determined to fit two-body scattering properties. It is shown that the three-body resonance can be interpreted as K(1460). The ππK channel and the range of interaction make important effects on the resonance width and the πηK channel and the repulsive KK interaction play essential roles in the resonance energy.
Abslruct -The oxidization stability o f metal particulate tape has b e e n studied u s i n g h i g h temperature a n d humidity a s a c c e l e r a t i n g parameters. By fitting the obtained oxidation rate t o the Arrhenius scale, the tape's archival life determined by oxidation has been estimated.The results sug est that the current metal tape has more than $0 years of archivul life and that of the improved tape i s four times longer. T h i s improvement was achieved by developing a new metal particle which gives a uniform dense oxide layer and better magnetic properties.
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