Summary
Using nonperturbative techniques, we show that interference terms due to the failure of the exact semi-group behaviour of the nonleptonic weak-decay law may beO(α3), where α2 ∼ 10−3, independently of the size of the weak-coupling constant. Consequences of these interference terms for regeneration experiments are calculated.
Riassunto
Usando tecniche non perturbative si mostra che termini d’interferenza dovuti alla inadeguatezza dell’esatto andamento di semigruppo della legge del decadimento debole non leptonico possono essere diO(α3), dove α2 ∼ 10−3, indipendentemente dalla grandezza della costante di accoppiamento debole. Si calcolano le conseguenze di questi termini di interferenza sugli esperimenti di rigenerazione.
Реэюме
Испольэуя непертурбационную технику, покаэывается, что интерфе-ренционные члены, вследствие нарущения точного полугруппового поведения эакона нелептонного слабого распада, могут бытьO(α 3), гдеα 2∼10−3, вне эависимости от величины слабой константы свяэи. Вычисляются следствия зтих интерферен-ционных членов для зкспериментов по регенерации.
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Literatur
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Supported in part by the Israel Academy of Sciences.
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Horwitz, L.P., Mizrachi, L. On the orthogonality of K0-meson nonleptonic weak-decay residues. Nuov Cim A 21, 625–638 (1974). https://doi.org/10.1007/BF02731221
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DOI: https://doi.org/10.1007/BF02731221