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Longitudinal polarization of the fast nuetrons from μ absorption by nuclei

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Il Nuovo Cimento (1955-1965)

Summary

The longitudinal polarization of the fast neutron emitted in the absorption of a negative muon by a nucleus is calculated for theA±V interaction using a Fermi model for the nucleus. It is shown that, as long as this model can be applied to describe the process, the emitted neutron has an appreciable longitudinal polarization if the interaction isAV. Rescattering corrections are estimated using an optical model and it is found that they do not alter this conclusions for the neutrons in the upper part of the spectrum.

Riassunto

La polarizzazione longitudinale del neutrone veloce emesso nell’assorbimento di un muone negativo da parte di un nucleo viene calcolato per una interazioneA±V ed usando un modello di Fermi per il nucleo. Si fa vedere come, nei limiti in cui tale modello può venire usato per descrivere il processo, il neutrone emesso ha un’apprezzabile polarizzazione longitudinale nel caso di accoppiamentoAV. Il calcolo delle correzioni dovute al rescattering dentro il nucleo mostra che questa conclusione resta valida per i neutroni emessi nella porzione superiore dello spettro.

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Cini, M., Gatto, R. Longitudinal polarization of the fast nuetrons from μ absorption by nuclei. Nuovo Cim 11, 253–261 (1959). https://doi.org/10.1007/BF02859718

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  • DOI: https://doi.org/10.1007/BF02859718

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