FAST NEUTRON SPECTROMETER
Patent
·
OSTI ID:4182144
An improved proton recoil spectrometer for determining the energy spectrum of a fast neutron beam is described. Instead of discriminating against and thereby"throwing away" the many recoil protons other than those traveling parallel to the neutron beam axis as do conventional spectrometers, this device utilizes protons scattered over a very wide solid angle. An ovoidal gas-filled recoil chamber is coated on the inside with a scintillator. The ovoidal shape of the sensitive portion of the wall defining the chamber conforms to the envelope of the range of the proton recoils from the radiator disposed within the chamber. A photomultiplier monitors the output of the scintillator, and a counter counts the pulses caused by protons of energy just sufficient to reach the scintillator.
- Research Organization:
- Originating Research Org. not identified
- NSA Number:
- NSA-14-006486
- Assignee:
- U.S. Atomic Energy Commission
- Patent Number(s):
- US 2900516
- OSTI ID:
- 4182144
- Country of Publication:
- United States
- Language:
- English
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