Abstract

Radiative muon capture is studied to investigate the induced pseudoscalar coupling constant gP in nuclear matter. According to the recent TRIUMF experiment for μ−p → nνμγ, the gP was surprisingly larger than the value obtained from μ−p → nνμ experiment by as much as 44%. The result may affect seriously theoretical interpretations of the experimental results for the radiative muon captures in finite nuclei. In view of the recent TRIUMF result, the radiative muon capture in nuclear matter is revisited in a framework of the relativistic mean field theory.

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