A Comparison between Salin's and Adler's models for neutrino N ---> Mu N* reactions

Bijtebier, J.

doi:10.1016/0550-3213(70)90512-2

A Comparison between Salin's and Adler's models for neutrino N ---> Mu N* reactions

J. Bijtebier
(
- CERN and
- Brussels U.
)

Apr, 1970

15 pages

Published in:

Nucl.Phys.B 21 (1970) 158-172

Published: 1970

DOI:

10.1016/0550-3213(70)90512-2

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Abstract: (Elsevier)

We search for the origin of the factor two difference between the cross sections predicted by Salin's and Adler's models for the reaction ν p → μ − N ∗++ . We find that both models are roughly the same for the vector part, but that the lack of a second axial coupling in Salin's model leads to a violation of PCAC, and to a much larger contribution of the longitudinal axial multipole than in Adler's model. However, the experimental results seeming in favour of Salin's cross sections, we are led to define a third model, which does not violate PCAC and which can be fitted to experiment through an arbitrary parameter.

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