期刊
COMMUNICATIONS IN THEORETICAL PHYSICS
卷 61, 期 1, 页码 89-94出版社
IOP PUBLISHING LTD
DOI: 10.1088/0253-6102/61/1/14
关键词
interaction radius; centrifugal barrier effects; partial wave analysis
The interaction radius of a resonance is an important physical quantity to describe the structure of a resonance. But, for a long time, physicists do not find a reliable way to measure the magnitude of the interaction radius of a resonance. In this paper, a method is proposed to measure the interaction radius in physics analysis. It is found that the centrifugal barrier effects have great influence to physical results obtained in the PWA fit, and the interaction radius,of some resonances can be well measured in the fit.
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