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Leptoproduction of neutrino pairs in the nuclear coulomb field

Лепто-рождение нейтринных пар в ядерном кулоновском поле

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Il Nuovo Cimento A (1965-1970)

Summary

The cross-section for production of ν-\(v - \bar v\) pairs by high-energy leptons in the nuclear Coulomb field is calculated in the standard theory, allowing for arbitrary polarization of the incoming lepton beam. The differential distributions of the outgoing charged lepton are studied, showing that the scattered lepton peaks at low energies and emerges at appreciable angles. Incoherent contributions to the cross-section are also discussed.

Riassunto

Si calcola la sezione d’urto per la produzione di coppie ν-\(v - \bar v\) per leptoni ad alta energia nel campo nucleare di Coulomb nella teoria standard, tenendo conto della polarizzazione arbitraria nel fascio leptonico incidente. Si studiano le distribuzioni differenziali del leptone carico uscente, mostrando che il leptone diffuso forma un picco ad alta energia ed emerge per angoli di un’ampiezza notevole. Si discutono anche i contributi incoerenti alla sezione d’urto.

Реэюме

Вычисляется поперечное сечение рождения ν-\(v - \bar v\) пар лептонами высоких знергий в ядерном кулоновском поле в рамках стандартной теории, предполагая проиэвольную поляриэацию падаюшего пучка лептонов. Исследуются дифферен-циальные распределения вылетаюших эаряженных лептонов. Покаэывается, что сушествуют пики эаряженных лептонов при ниэких знергиях и эаметных углах. Также обсуждаются некогерентные вклады в поперечное сечение.

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This work has been supported in part by Comisión Asesora de Investigación Científica y Técnica, Spain.

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Pich, A., Bernabéu, J. Leptoproduction of neutrino pairs in the nuclear coulomb field. Nuov Cim A 90, 267–286 (1985). https://doi.org/10.1007/BF02730404

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  • DOI: https://doi.org/10.1007/BF02730404

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