DEMONSTRATION BETA SPECTROMETER
Journal Article
·
· American Journal of Physics (U.S.)
The apparatus described may be used to demonstrate the continuous beta spectrum and the electron conversion lines. It consists of a small electromagnet with 4-in.-diam. pole faces, a vacuum chamber of 3.0-cm curvature radius, and a halogen-quenched Geiger tube with a thin mica window (probably 2.5 mg/cm/sup 2/) and a threshold of 500 volts. A 20 microcurie radioactive source was evaporated on a thin Mylar base in this instance. For demonstration purposes current may be measured with sufficient precision with a 1.5 amp full scale meter. (B.O.G.)
- Research Organization:
- Western Michigan Univ., Kalamazoo
- NSA Number:
- NSA-14-007552
- OSTI ID:
- 4201772
- Journal Information:
- American Journal of Physics (U.S.), Journal Name: American Journal of Physics (U.S.) Vol. Vol: 28; ISSN AJPIA
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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