Influence of Paramagnetism on the Directional Correlation (Measurement of the Nuclear Magnetic Moment of Dy$sup 160$ and Er$sup 166$)(thesis); EINFLUSS DES PARAMAGNETISMUS AUF DIE RICHTUNGSKORRELATION (MESSUNG MAGNETISCHER KERNMOMENTE VON Dy$sup 160$ UND Er$sup 166$)(PROMOTION-SARBEIT)

Thesis/Dissertation · Sun Jan 01 04:00:00 EST 1961

OSTI ID:4790112

Kuendig, W

Angular correlation investigations were undertaken in order to elucidate the influence of extranuclear fields. It is shown that for the gamma - gamma - cascades of Dy/sup 160/ and Er/sup 166/, most of the observed attenuation effects can be explained by magnetic interaction of the electron shell with the magnetic dipole moment of the nucleus. A method for determination of nuclear moments in paramsgnetic materials is described. Experimental results indicate that the magnetic field H/sub O/ which influences the nuclear spin precession is the external field H/sub ext./ modified by a paramagnetic correction factor: H/sub O/ = H/sub ext./ (1 + C'/(T -- THETA )). The g-factors of the first rotational state of two even-even nuclei were measured; for 36 plus or minus 0.06. The gamma - gamma -angular correlation behavior on reversal of the magnetization of ferromagnetic Tb was investigated. Thence the mean life of the first vibrational state of its decay product, Dy/sup 160/ was determined as (tau/sub N/ = (1.1 plus or minus 0.4) x 10/sup -12/ sec. (auth)

• Research Organization: Eidgenossische Technische Hochschule, Zurich
• NSA Number: NSA-16-017155
• OSTI ID: 4790112
• Country of Publication: Country unknown/Code not available
• Language: English

Related Subjects

ANGULAR DISTRIBUTION
CASCADES
DECAY
DIPOLES
DYSPROSIUM 161
ELECTRIC MOMENTS
ELECTRONS
ENERGY LEVELS
ERBIUM 166
ERRORS
GAMMA RADIATION
GYROMAGNETIC RATIO
INTERACTIONS
LIFETIME
MAGNETIC FIELDS
MAGNETIC MATERIALS
MAGNETIC MOMENTS
MAGNETISM
MEASURED VALUES
NUCLEI
ORBITS
OSCILLATIONS
PARAMAGNETISM
PHYSICS
PRECESSION
ROTATION
ROTATIONAL STATE
SPIN
TERBIUM
VIBRATIONAL STATE