Quadrupole Radiation in Fast-Neutron Capture on<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mmultiscripts><mml:mrow><mml:mi mathvariant="normal">Ca</mml:mi></mml:mrow><mml:mprescripts/><mml:mrow/><mml:mrow><mml:mn>40</mml:mn></mml:mrow><mml:mrow/><mml:mrow/></mml:mmultiscripts></mml:mrow></mml:math>

Wender, S.A.; Roberson, N. R.; Potokar, M.; Weller, H. R.; Tilley, D. R.

doi:10.1103/physrevlett.41.1217

Cited by 23 publications

(1 citation statement)

References 21 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The measured values for the forward-to-backward asymmetry are small, indicating weak effects on the angular distributions from interference between dipole-and quadrupole capture. This result is consistent with similar measurements and calculations for the 4~ reaction [9]. In both cases the T< part of the giant dipole resonance and the isoscalar quadrupole resonance nearly coincide in energy.…”

Section: Macroscopic Model Analysissupporting

confidence: 93%

Fast neutron radiative capture in silicon

et al. 1984

View full text Add to dashboard Cite

Using the 2SSi(n, 7)29Si reaction, transitions to the ground state and first excited state in 29Si have been studied in the neutron energy range 3-14 MeV with improved neutron energy resolution (of about 100 keV). The 90 ~ cross sections show considerable structure in the entire neutron energy range. Comparison with theoretical calculations shows that compound-nucleus and direct-semidirect processes account for the non-resonant part (smoothly varying part) of the cross section. A microscopic model is, however, required to describe the resonance structure. Continuum shell-model calculations have proven to be a very promising means towards a better understanding of the capture process in, and below, the giant resonance region in light nuclei. The angular distributions of gamma rays in the neutron energy range 8-14 MeV indicate that the capture reaction is mainly of direct character and that the effect of interference between the electric dipole and isoscalar quadrupole resonance is weak.

show abstract

Section: Macroscopic Model Analysissupporting

confidence: 93%