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On a method for determining the neutretto mass

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Il Nuovo Cimento (1955-1965)

Summary

The proposal to obtain a limit on the neutretto mass from an observation of the high-energy end of the spectrum of one particle in a three-body decay of the type A→B + C+v is re-examined and an expression contained in the literature is corrected. Energy spectra for radiative pion decay are given as an illustration. Numerical results are presented for the decays π+→-μ++v+γ, Λ→p + μ-+v and K+→→0 + μ++v.

Riassunto

Si riesamina il proposito di ottenere un limite alla massa del neutretto da un’osservazione délia terminazione alle alte energie dello spettro di una particella nel decadimento a, tre corpi del tipo A→B + C+v e si oorregge un.’espressione contenuta nella letteratura sull’argomento. Si danno corne illustrazione spettri energetici per il decadiniento radiativo del pione. Si presentano risultati numerici per i decadimenti π+→ →+ + V + γ, Λ→p + μ- + v e K+→π0 + μ+ + v.

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References

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Supported by the National Science Foundation.

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Ginsberg, E.S. On a method for determining the neutretto mass. Nuovo Cim 37, 739–744 (1965). https://doi.org/10.1007/BF02749869

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  • DOI: https://doi.org/10.1007/BF02749869

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