Elsevier

Nuclear Physics A

Volume 262, Issue 3, 24 May 1976, Pages 433-443
Nuclear Physics A

Nuclear orientation following muon capture by spin zero nuclei

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Abstract

It is shown that in the proposed experimental set-up of the Louvain-Saclay collaboration, the nuclei recoiling into the forward (or backward) hemisphere in the reaction μ + A(Ji = 0) → B(Jf ≧ 1) + νμ will not only be polarized but also aligned. A general expression for the alignment of the recoiling nucleus is derived in terms of the other observables and it is shown to be independent of nuclear structure and the dynamics of the muon capture interaction. Numerical results are presented for muon capture by 12C and 16O.

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    Partly supported by the Gesellschaft für Schwerionenforschung (GSI), Germany.

    ††

    Permanent address: Department of Physics, Sri Pushpam College, Poondi, Thanjavur District, 613503, India.

    †††

    Permanent address: Department of Nuclear Physics, University of Madras, Madras 600025, India.

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