论文信息 - Slow neutron experiments in Groningen

Slow neutron experiments in Groningen

Abstract Values are given for the energies and the effective widths of the resonance levels of the following nuclei Au 198 , Ag 108 , Ag 110 , Cu 64 , Cu 66 , Al 28 , Zn 69 and Cd 117 . They have been derived from previous measurements applying a correction for impurity of our boron samples. The thus corrected values for the resonance energies of Au and Ag are in agreement with those obtained with the aid of the time of flight method. It is shown that of the three levels of Ag (5.1, 16 and 45 eV) the first belongs to Ag 110 (22 sec) and the second to Ag 108 (2.3 min). Overlapping levels of Ag 110 , Cu 66 and Cd 117 were found at about 100 eV.

[1] H. Vries,et al. The resonance levels for neutron capture II1) , 1943 .

[2] G. Diemer. Further experiments upon the scattering of silver 22 sec resonance neutrons1) , 1946 .

[3] W. W. Havens,et al. Neutron Beam Spectrometer Studies of Boron, Cadmium, and the Energy Distribution from Paraffin , 1946 .

[4] H. Groendijk,et al. Some measurements on the 66 hour period of gold , 1946 .

[5] H. Vries,et al. On the activities caused by nearly thermal neutrons , 1946 .

[6] H. Vries,et al. On the activities caused by n—γ-processes and the absorption coefficient for thermal neutrons , 1943 .

[7] H. Vries,et al. The resonance levels for neutron capture III: Scattering of resonance neutrons1) , 1943 .

[8] H. Vries,et al. The resonance levels for neutron capture of silver, copper and zinc , 1941 .

[9] W. W. Havens,et al. The Slow Neutron Cross Sections of Indium, Gold, Silver, Antimony, Lithium, and Mercury as Measured with a Neutron Beam Spectrometer , 1946 .

[10] W. W. Havens,et al. Slow Neutron Velocity Spectrometer Studies I. Cd, Ag, Sb, Ir, Mn , 1947 .

[11] Hans A. Bethe,et al. Nuclear Physics B. Nuclear Dynamics, Theoretical , 1937 .