Radiant energy – Ionic separation or analysis – Methods
Patent
1977-05-13
1979-04-17
Dixon, Harold A.
Radiant energy
Ionic separation or analysis
Methods
250385, B01D 5944
Patent
active
041502906
ABSTRACT:
A detector of the properties of individual charged particles in a beam includes a gridded ionization chamber, a cathode, a plurality of resistive-wire proportional counters, a plurality of anode sections, and means for controlling the composition and pressure of gas in the chamber. Signals generated in response to the passage of charged particles can be processed to identify the energy of the particles, their loss of energy per unit distance in an absorber, and their angle of incidence. In conjunction with a magnetic spectrograph, the signals can be used to identify particles and their state of charge. The detector is especially useful for analyzing beams of heavy ions, defined as ions of atomic mass greater than 10 atomic mass units.
REFERENCES:
patent: 2741709 (1956-04-01), Tirico et al.
patent: 3927324 (1975-12-01), Fletcher
Braid Thomas H.
Erskine John R.
Stoltzfus Joseph C.
Carlson Dean E.
Dixon Harold A.
Jackson Frank H.
Reynolds Donald P.
The United States of America as represented by the United States
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