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Author(s):
J. Uramoto
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Title:
Measuring Method of Decay Time of Negative Muonlike Particle by Beam Collector Applied RF Bias Voltage
Date of publication:
Dec. 1997
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Key words:
negative muonlike particle mu^-, mu^- decay time, RF bias voltage
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Abstract:
The decay time of negative muonlike particle mu^- is estimated from the final secondary electron current characteristic in the beam collector (BC) of the magnetic mass analyzer (MA ) where a radio frequency (RF) bias voltage is applied. The secondary electron current between BC and MA is produced by the final secondary electrons due to mu^- and positive ions in MA, which depends on the RF frequency of the RF bias voltage to BC. When a period of the RF frequency approaches to the decay time of mu^-, the secondary electron current to BC decreases abruptly (e-folding).
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