Detection of alpha radiation in a beta radiation field
Abstract
An apparatus and method for detecting alpha particles in the presence of high activities of beta particles utilizing an alpha spectrometer. The apparatus of the present invention utilizes a magnetic field applied around the sample in an alpha spectrometer to deflect the beta particles from the sample prior to reaching the detector, thus permitting detection of low concentrations of alpha particles. In the method of the invention, the strength of magnetic field required to adequately deflect the beta particles and permit alpha particle detection is given by an algorithm that controls the field strength as a function of sample beta energy and the distance of the sample to the detector.
- Inventors:
-
- Albuquerque, NM
- Edgewood, NM
- Issue Date:
- Research Org.:
- Sandia National Laboratories (SNL), Albuquerque, NM, and Livermore, CA (United States)
- OSTI Identifier:
- 873866
- Patent Number(s):
- 6262420
- Assignee:
- Sandia Corporation (Albuquerque, NM)
- Patent Classifications (CPCs):
-
G - PHYSICS G01 - MEASURING G01T - MEASUREMENT OF NUCLEAR OR X-RADIATION
- DOE Contract Number:
- AC04-94AL85000
- Resource Type:
- Patent
- Country of Publication:
- United States
- Language:
- English
- Subject:
- detection; alpha; radiation; beta; field; apparatus; method; detecting; particles; presence; activities; utilizing; spectrometer; utilizes; magnetic; applied; sample; deflect; prior; reaching; detector; permitting; concentrations; strength; required; adequately; permit; particle; algorithm; controls; function; energy; distance; particle detection; magnetic field; field strength; alpha radiation; alpha particle; alpha particles; beta radiation; radiation field; beta particles; field applied; particles utilizing; sample prior; detecting alpha; beta particle; /250/
Citation Formats
Mohagheghi, Amir H, and Reese, Robert P. Detection of alpha radiation in a beta radiation field. United States: N. p., 2001.
Web.
Mohagheghi, Amir H, & Reese, Robert P. Detection of alpha radiation in a beta radiation field. United States.
Mohagheghi, Amir H, and Reese, Robert P. Mon .
"Detection of alpha radiation in a beta radiation field". United States. https://www.osti.gov/servlets/purl/873866.
@article{osti_873866,
title = {Detection of alpha radiation in a beta radiation field},
author = {Mohagheghi, Amir H and Reese, Robert P},
abstractNote = {An apparatus and method for detecting alpha particles in the presence of high activities of beta particles utilizing an alpha spectrometer. The apparatus of the present invention utilizes a magnetic field applied around the sample in an alpha spectrometer to deflect the beta particles from the sample prior to reaching the detector, thus permitting detection of low concentrations of alpha particles. In the method of the invention, the strength of magnetic field required to adequately deflect the beta particles and permit alpha particle detection is given by an algorithm that controls the field strength as a function of sample beta energy and the distance of the sample to the detector.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2001},
month = {1}
}
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Works referenced in this record:
Direct analysis of air filter samples for alpha-emitting isotopes
journal, August 1998
- Mohagheghi, A. H.; Ghanbari, F.; Ebara, S. B.
- Journal of Radioanalytical and Nuclear Chemistry, Vol. 234, Issue 1-2