A General Effective-Range Formula and the Compositeness of the Deuteron
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概要
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In order to discuss the compositeness of the deuteron, experimental data on the low-energy n-p scattering in the ^<3>S_1 state are summarized into two features by the use of a general effective-range formula introduced in a previous work. If expressed conventionally, they are: (i) a/R-1=0.25, (ii) the effective range approximation is valid in the low-energy region. Conditions under which (ii) is true are investigated. Weinberg's argument is found to be insufficient to exclude the possibility that the deuteron is elementary. It is shown by general considerations and by an analysis in terms of a one-pole model that the features, (i) and (ii), strongly favor the deuteron to be composite.
- 理論物理学刊行会の論文
- 1966-01-25
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