𝔖 Bobbio Scriptorium
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Levels of populated in average resonance neutron capture

✍ Scribed by C. Granja; S. Pospíšil; R.E. Chrien; S.A. Telezhnikov

Publisher
Elsevier Science
Year
2005
Tongue
English
Weight
311 KB
Volume
757
Category
Article
ISSN
0375-9474

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✦ Synopsis

The primary γ rays and energy levels in 174 Yb were investigated in average resonance neutron capture using tailored neutron beams at 2 and 24 keV and a pair spectrometer at the High Flux Reactor at Brookhaven. A thermal neutron beam was also used. Nearly 300 levels with spin up to J = 4 are reported below 4 MeV. The distribution of radiative strength in this nucleus was derived and is analyzed with a giant dipole resonance and single-particle strength models. The neutron binding energy in 174 Yb was determined at 7464.4(3) keV.

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In part III we found the Cu 5 min resonance neutrons to be strongly absorbed in Ag and Cd. These striking anomalies have been the subject of our present investigations. The results are: 1 °. The large absorption coefficients of Cd and Ag for Cu 5 rain resonance neutrons must be ascribed to the over