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arXiv · 2410.17853

Primary scintillation yields induced by $\alpha$ particles in gas mixtures of Argon/CF$_4$ at 9.5 bar

P. Amedo·S. Leardini·A. Saá-Hernández·D. González-Díaz
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Abstract

We report time and band-resolved scintillation from $\alpha$-particles in Ar/CF$_4$ mixtures at a pressure of 9.5 bar. Our results show that %-level addition of CF$_4$ enables strong wavelength-shifted scintillation in the visible range, with yields at the level of 1000 ph/MeV, scintillation decay times of 9-25 ns and formation times well below 10 ns. Such a performance is a priori sufficient for accurate time-tagging of MeV-particles, without the need to resort to a pure noble gas, thus opening an appealing technological path for next-generation time projection chambers.

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P. Amedo, S. Leardini, A. Saá-Hernández, D. González-Díaz. 2024-10-23. Primary scintillation yields induced by $\alpha$ particles in gas mixtures of Argon/CF$_4$ at 9.5 bar. https://arxiv.org/abs/2410.17853

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