Studies of Nuclear Resonant Absorption of Gamma Rays. Quarterly Report No. 5 Covering Period September 1 to November 30, 1961 PDF Download
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Author: Publisher: ISBN: Category : Languages : en Pages :
Book Description
In experiments to determine if there is any change in the fraction of recoil-free emissions of gamma radiation from Fe/sup 57/ due to pressure increases, no measurable changes were found at pressures up to 40,000 psi. Experi-mental apparatus is being developed to measure the acoustical power of transducers in the megacycle frequency range using nuclear resonance techniques. (J.R.D.).
Author: Publisher: ISBN: Category : Languages : en Pages :
Book Description
In experiments to determine if there is any change in the fraction of recoil-free emissions of gamma radiation from Fe/sup 57/ due to pressure increases, no measurable changes were found at pressures up to 40,000 psi. Experi-mental apparatus is being developed to measure the acoustical power of transducers in the megacycle frequency range using nuclear resonance techniques. (J.R.D.).
Author: Publisher: ISBN: Category : Languages : en Pages :
Book Description
The effect of polarizing mngnetic field intensity on the nuclear resonant absorption was studied by varying the field strength at a 1-mc Co/sup 57/ source from 0 to 1000 gauss while keeping the absorber between the poles of a magnet having a fixed field of 800 gauss. The rates of resonance absorption change with field intensity were greatest in the region of 300 to 1000 gauss, and the% nuclear resonant absorption for 1000-gauss fields was 8.5 and 26% for perpendicular and parallel fields, respectively, as compared with 15% for no fields. Other absorption measurements for Co/sup 57/ sources are also reported. Calculations on the use of nuclear resonant absorption to measure gravitational fields and altitudes were made which indicates that this application is not promising. (D.L.C.).
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Author: International Atomic Energy Agency
Author: International Atomic Energy Agency
Author: International Atomic Energy Agency
Author: International Atomic Energy Agency
Author: International Atomic Energy Agency