Elsevier

Nuclear Physics A

Volume 577, Issues 1–2, 19 September 1994, Pages 387-392
Nuclear Physics A

Induced terms of weak nucleon currents in light nuclei

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Abstract

Vector and axial vector currents of the weak interactions in light nuclei are reviewed. Induced terms of the nucleon currents are discussed. Our recent analysis of the new experimental data on the beta-ray angular distribution in the aligned 12B and 12N given by the Osaka group finds a new limit for the induced tensor current and a slightly larger value of the axial charge y. This brings the strength of the induced pseudoscalar current very close to the PCAC value in the muon capture on 12C.

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This work is partly supported by Grant-in-Aid for Scientific Research, The Ministry of Education, Science and Culture.

We would like to express our hearty thanks to Professor T. Minamisono for providing us their experimental data [6] before publication.

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