Functional test of a Radon sensor based on a high-resistivity-silicon BJT detector
- G. F. Dalla Betta
- V. Tyzhnevyi
- A. Bosi
- C. Angelini
- G. Batignani
- S. Bettarini
- F. Bosi
- F. Forti
- M. A. Giorgi
- F. Morsani
- E. Paoloni
- G. Rizzo
- J. Walsh
- A. Lusiani
- R. Ciolini
- G. Curzio
- F. D'Errico
- A. Del Gratta
- L. Bosisio
- I. Rachevskaia
- M. Boscardin
- G. Giacomini
- A. Picciotto
- C. Piemonte
- N. Zorzi
- M. Calamosca
- S. Penzo
- F. Cardellini
- BONAIUTI, Matteo
- BIDINELLI, Luca
- ROVATI, Luigi
- SAGUATTI, Davide
- VERZELLESI, Giovanni
DOIAbstract
A battery-powered, wireless Radon sensor has been designed and realized using a BJT, fabricated on a high-resistivity-silicon substrate, as a radiation detector. Radon daughters are electrostatically collected on the detector surface. Thanks to the BJT internal amplification, real-time a particle detection is possible using simple readout electronics, which records the particle arrival time and charge. Functional tests at known Radon concentrations, demonstrated a sensitivity up to 4.9 cph/(100 Bq/m3) and a count rate of 0.05 cph at nominally-zero Radon concentration
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