Weak production of nuclear resonances in a relativistic quark model
Dec, 197331 pages
Published in:
- Nuovo Cim.A 18 (1973) 385-415
DOI:
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Abstract: (Springer)
The cross-section for neutrino excitation of a nucleon resonance can be expressed by three partial cross-sectionsσR, σL andσS. These are directly given in terms of matrix elements of the weak currents. Taking the current matrix elements from a relativistic quark model, we calculate the production cross-sections for all the nucleon resonances of the harmonic-oscillator baryon spectrum with massM < 1750 MeV. It is found that outside the forward direction whereσS dominates,σR andσS are small compared withσL in the whole resonance region considered. The calculated cross-section and density matrix elements for the P33(1236) resonance are in good agreement with the recent Argonne experiment.- neutrino nucleus: interaction
- interaction: neutrino nucleus
- baryon resonance: nonstrange
- nonstrange: baryon resonance
- baryon resonance: production
- production: baryon resonance
- quark
- delta(1236)
- spin: density matrix
- density matrix: spin
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