An Attempt at Reformulating Pion-Nucleon Interaction, I : Introduction of K-Space

概要

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An attempt is made at reformulating pion-nucleon interaction in such a form that the large annihilation cross section of antiproton or the recent experiments at Stanford could be understood better. For this purpose, a new space which we name K-space is introduced. In terms of K-space, charge conjugation can be expressed as a rotation through π around its second axis multiplied by a rotation through π around the second axis in the usual isotopic space. It is shown that if pion-nucleon interaction is assumed as invariant under rotations in K-space(it is already invariant under rotations in the usual isotopic space if we assume charge independence), it can not be local, especially the part responsible for the creation and the annihilation of nucleon pairs. Possibilities of checking this assumption experimentally are discussed, and among these the annihilation of antinucleon by nucleon is discussed in some detail.
理論物理学刊行会の論文
1958-02-25