Development of a time-variable nuclear pulser for half life measurements

In this work a time-variable pulser system with an exponentially-decaying pulse frequency is presented, which was developed using the low-cost, open-source Arduino microcontroler plataform. In this system, the microcontroller produces a TTL signal in the selected rate and a pulse shaper board adjust...

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Bibliographic Details
Main Authors: Zahn, Guilherme S., Domienikan, Claudio, Carvalhaes, Roberto P. M., Genezini, Frederico A.
Format: Conference Proceeding
Language:English
Subjects:
AMPLIFIERS
COMPUTER CODES
HALF-LIFE
INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
NUCLEAR DECAY
POTENTIOMETERS
PULSE SHAPERS
PULSES
RADIATION DETECTION
RADIATION DETECTORS
TIME DEPENDENCE
TRANSISTORS
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Summary:In this work a time-variable pulser system with an exponentially-decaying pulse frequency is presented, which was developed using the low-cost, open-source Arduino microcontroler plataform. In this system, the microcontroller produces a TTL signal in the selected rate and a pulse shaper board adjusts it to be entered in an amplifier as a conventional pulser signal; both the decay constant and the initial pulse rate can be adjusted using a user-friendly control software, and the pulse amplitude can be adjusted using a potentiometer in the pulse shaper board. The pulser was tested using several combinations of initial pulse rate and decay constant, and the results show that the system is stable and reliable, and is suitable to be used in half-life measurements.
ISSN:0094-243X
1551-7616
DOI:10.1063/1.4804106