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Apparatus for measuring angular gamma-gamma correlations in specimens with temperature of 1. 5-300/sup 0/K

Journal Article · · Instrum. Exp. Tech. (Engl. Transl.); (United States)
OSTI ID:5969819
; ; ; ; ;
Apparatus for measuring angular gamma-gamma correlations perturbed by a magnetic field of 2.0 T in specimens with temperatures of 1.5-300 degrees K is described. It is established that the strength of the hyperfine magnetic field for /sup 154/Gd nuclei in an Fe matrix at 4.2 degrees K is 36.1 + or - 0.5 T. Investigation of angular-correlation perturbation (ACP) of cascade gamma quanta in the study of radioactive nuclei under the influence of external electromagnetic fields permits determination of the magnetic dipole and electric quadrupole moments of the excited states of atomic nuclei. In addition, the ACP method is used to study internal electromagnetic fields that act on nuclei in ferromagnetic or paramagnetic materials as well as the dependence of these fields on the specimen temperature.
Research Organization:
Joint Institute for Nuclear Research, Dubna
OSTI ID:
5969819
Journal Information:
Instrum. Exp. Tech. (Engl. Transl.); (United States), Journal Name: Instrum. Exp. Tech. (Engl. Transl.); (United States) Vol. 28:3, PT. 1; ISSN INETA
Country of Publication:
United States
Language:
English

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Related Subjects

440103* -- Radiation Instrumentation-- Nuclear Spectroscopic Instrumentation
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
ANGULAR CORRELATION
CONTROL EQUIPMENT
CORRELATIONS
CRYOSTATS
DATA ACQUISITION SYSTEMS
DIPOLE MOMENTS
ELECTRIC MOMENTS
ELECTROMAGNETIC FIELDS
ELEMENTS
ENERGY LEVELS
EQUIPMENT
EVEN-EVEN NUCLEI
EXCITED STATES
GADOLINIUM 154
GADOLINIUM ISOTOPES
GAMMA SPECTRA
GAMMA SPECTROMETERS
GE SEMICONDUCTOR DETECTORS
HYPERFINE STRUCTURE
INTERMEDIATE MASS NUCLEI
IRON
ISOTOPES
LI-DRIFTED DETECTORS
LI-DRIFTED GE DETECTORS
MAGNETIC DIPOLE MOMENTS
MAGNETIC MOMENTS
MATERIALS
MATRIX MATERIALS
MEASURING INSTRUMENTS
METALS
NUCLEI
PERFORMANCE
PERTURBED ANGULAR CORRELATION
QUADRUPOLE MOMENTS
RADIATION DETECTORS
RADIOISOTOPES
RARE EARTH ISOTOPES
RARE EARTH NUCLEI
SEMICONDUCTOR DETECTORS
SPECIFICATIONS
SPECTRA
SPECTROMETERS
STABLE ISOTOPES
THERMOSTATS
TRANSITION ELEMENTS