EXPERIMENTAL STUDIES OF $alpha$ DECAY OF ELEMENTS OF INTERMEDIATE ATOMIC WEIGHT

Journal Article · Thu Aug 01 04:00:00 EDT 1957 · Doklady Akad. Nauk S.S.S.R.

OSTI ID:4329440

Shirkov, Yu A

Examinations were made of the alpha decay in the isotope atomic weight range N = 82 to 126. The alpha -active isotopes were formed from the bombardment of Er, Yb, and Hf by 70 to 660 Mev protons. The shont lived alpha - active isotopes were bombarded in a cyclotron for a period of 2 hr, and the long lived ones for 3 months. Only pure, chromatographically separated fractions were used in the experiment. The chromatograms of the BETA and alpha activities and tables of the resulting materials are presented. The energies of Tb/sup 149/ and Dy/sup 152/ were measured with a multichannel ionization chamber followed by measurements with scintillation alpha counter; the energies for Gd/sup 148/, Dy/sup 153/, and Hf(?) were determined from the tracks in thin layer (50 mu ) photoplates.. (R.V.J.)

• Research Organization: Vernadskii Inst. of Geochemistry and Analytical Chemistry
• NSA Number: NSA-12-001762
• OSTI ID: 4329440
• Journal Information: Doklady Akad. Nauk S.S.S.R., Journal Name: Doklady Akad. Nauk S.S.S.R. Vol. Vol: 115
• Country of Publication: Country unknown/Code not available
• Language: Russian

Related Subjects

ALPHA DECAY
ALPHA DETECTION
BETA DECAY
CHROMATOGRAPHY
CYCLOTRONS
DYSPROSIUM 152
DYSPROSIUM 153
ENERGY
ENERGY RANGE
ERBIUM
GADOLINIUM 148
HAFNIUM
HALF-LIFE
IONIZATION CHAMBERS
IRRADIATION
ISOTOPES
MEASURED VALUES
MEV RANGE
NUCLEAR EMULSIONS
NUCLEAR REACTIONS
PARTICLE TRACKS
PHYSICS
PROTON BEAMS
SCINTILLATION COUNTERS
SEPARATION PROCESSES
TABLES
TERBIUM 149
YTTERBIUM