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Channeltron operating in coincidence mode (CROSBI ID 100176)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Krečak, Zvonko ; Krčmar, Milica ; Bogovac, Mladen ; Ljubičić, Ante Channeltron operating in coincidence mode // Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms, 213 (2004), 310-314-x

Podaci o odgovornosti

Krečak, Zvonko ; Krčmar, Milica ; Bogovac, Mladen ; Ljubičić, Ante

engleski

Channeltron operating in coincidence mode

We have investigated channeltron operating in coincidence with silicon surface barrier detector for detection of extreme low energy particles. By use of Po-209 radionuclide and silver backing, a radiactive source was prepared as a fine emitter of released alpha particles, conversion electrons, recoil Pb-205 ions and knock out silver ions. To avoid parasite coincidence events mainly from channeltron anode RC circuit, we have applied appropriate Faraday screens. After getting proper counting rates, composite spectra were recorded. Based on time-of-flight and secondary electron emission coefficient arguments, particular spectra of mentioned particles were extracted. Final experimental data analysis enabled us to found channeltron efficiency curves for electrons, lead ions and silver ions with low detection thresholds at 40 eV, 4 keV and 1.7 keV, respectively.

channel elctrons mutiplier; Faraday screen; coincidence technique; low energy particle detection

nije evidentirano

nije evidentirano

nije evidentirano

nije evidentirano

nije evidentirano

nije evidentirano

Podaci o izdanju

213

2004.

310-314-x

objavljeno

0168-583X

Povezanost rada

Fizika

Indeksiranost