Measurement of the ortho-para transition rate in the pμp molecule and deduction of the pseudoscalar coupling constant gpμ |
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| Authors: | G Bardin J Duclos A Magnon J Martino A Richter E Zavattini A Bertin M Piccinini A Vitale |
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| Institution: | 1. Istituto di Fisica dell''Università di Bologna, Italy;2. Istituto Nazionale di Fisica Nucleare, Sezione di Bologna, Italy |
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| Abstract: | The ortho-para transition rate in the pμp molecule has been found experimentally to be λOP = (4.1 ± 1.4) × 104 s?1. Our recent result for the muon capture rate in liquid hydrogen can now be interpreted to extract the ortho-molecular capture rate: λOM = (531 ± 33) s?1. A deduction of the pseudoscalar coupling constant gpμ is presented: we find gpμ = 8.7 ± 1.9. |
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| Keywords: | UA1 Collaboration |
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