coincidence counting


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coincidence counting

[kō·in′sidəns]
Etymology: L, coincidere, to occur together
the detection of two photons that arrive at separate counters simultaneously as the result of annihilation of a positron (created during a radioactive decay) and an electron. Coincidence counting greatly reduces the significance of any background radiation in radiography.
References in periodicals archive ?
The Institute for Transuranium Elements is planning to award a contract for the Characterisation of radioactive waste using gamma spectroscopy and neutron coincidence counting.
4 [25,29] coincidence counting efficiency-tracing extrapolation method BEV pressurised ionization 1.
8), reported on the results of measurements using 4 [pi][beta] - [gamma] coincidence counting.