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Tests of second-class currents in Δ(1236) production by neutrinos

Проверка токов второго класса при рождении Δ(1236) в результате взаимодействия с нейтрино

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Il Nuovo Cimento A (1965-1970)

Summary

Tests are presented for the presence of second-class currents in the production of the Δ(1236)-resonance by neutrinos and antineutrinos. Particularly convenient expressions are given for the six structure functions describing this process. It is shown that a knowledge of the structure functionW 2 for both neutrino and antineutrino processes is sufficient to demonstrate the presence or absence of second-class currents. Prescriptions for measuringW 2 are presented.

Riassunto

Si presentano metodi per la verifica della presenza di correnti di seconda classe nella produzione della risonanza Δ (1236) da parte di neutrini ed antineutrini. Si danno espressioni particolarmente convenienti per le sei funzioni di struttura che descrivono questo processo. Si mostra che una conoscenza della funzione di strutturaW 2 per processi sia neutrinici che antineutrinici è sufficiente a dimosstrare la presenza o l'assenza di correnti di seconda classe. Si presentano alcune prescrizioni per misurareW 2.

Резюме

Предлагается проверка наличия токов второго класса при образовании резонанса Δ(1236) в результате взаимодействия с нейтрино и антинейтрино. При-водятся осовенно удобные выражения для шести структурных функций, описывающих этот процесс. Показывается, что энание структурной функцииW 2 для обоих процессов с нейтрино и с антинейтрино является достаточным, чтобы обнаружить наличие или отсутствие токов второго класса. Описываются методы измеренияW 2.

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Author notes

  1. Steven M. Brown

    Present address: Center for Theoretical Studies, University of Miami, Coral Gables, Fla.

Authors and Affiliations

  1. Department of Physics, The Johns Hopkins University, Baltimore, Md.

    Steven M. Brown

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  1. Steven M. Brown
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To speed up publication, the author of this paper has agreed to not receive the proofs for correction.

Research supported in part by the Air Force Office of Scientific Research Grant Number AFOSR 71-1993, and by the National Science Foundation.

Traduzione a cura della Redazione.

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Brown, S.M. Tests of second-class currents in Δ(1236) production by neutrinos. Nuov Cim A 16, 85–101 (1973). https://doi.org/10.1007/BF02785517

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