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Free ion yield of trimethyl bismuth used as sensitive medium for high-energy photon detection

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Academic year: 2021

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Figure

Figure 1: The CaLIPSO detector design. Liquid trimethyl bismuth allows a double detection : Cherenkov radiation and ionization signal via the charge drift in an electric field.
Table 1: Zero-field free ion yields and mobilities at room temperature.
Figure 2: Electrical measuring circuit. The ionization chamber is represented by a capacitance of
Figure 3: Typical measurement of the current induced by the 60 Co source in the ionization chamber under vacuum (< 1 · 10 −6 mbar) against electric field
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