Ionisation quenching factors from W-values in pure gases for rare event searches

I. Katsioulas; P. Knights; K. Nikolopoulos

doi:10.1016/j.astropartphys.2022.102707

Ionisation quenching factors from W-values in pure gases for rare event searches

I. Katsioulas, P. Knights, K. Nikolopoulos

Physics and Astronomy

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Abstract

The effect of ionisation quenching for ions is critical for experiments relying on the measurement of low energy recoils, such as direct Dark Matter searches. We present ionisation quenching factor estimates over a range of energies for protons, -particles, and heavier ions in H2, CH4, N2, Ar, CO2, and C3H8 gases, estimated from the respective reference W-value measurements. The resulting ionisation quenching factors are compared with predictions from SRIM.

Original language	English
Article number	102707
Number of pages	7
Journal	Astroparticle Physics
Volume	141
Early online date	9 Apr 2022
DOIs	https://doi.org/10.1016/j.astropartphys.2022.102707
Publication status	E-pub ahead of print - 9 Apr 2022

Keywords

Dark Matter
Ionisation quenching factor
Mean ionisation energy
Nuclear recoil
W-value

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10.1016/j.astropartphys.2022.102707Licence: Creative Commons: Attribution (CC BY)

Katsioulas2022_Ionisation_quenching_factorsFinal published version, 736 KBLicence: Creative Commons: Attribution (CC BY)

https://linkinghub.elsevier.com/retrieve/pii/S0927650522000196

H2020_IF_DARKSPHERE
Nikolopoulos, K.
European Commission
1/05/19 → 30/04/21
Project: EU

Cite this

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AB - The effect of ionisation quenching for ions is critical for experiments relying on the measurement of low energy recoils, such as direct Dark Matter searches. We present ionisation quenching factor estimates over a range of energies for protons, -particles, and heavier ions in H2, CH4, N2, Ar, CO2, and C3H8 gases, estimated from the respective reference W-value measurements. The resulting ionisation quenching factors are compared with predictions from SRIM.

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Ionisation quenching factors from W-values in pure gases for rare event searches

Abstract

Keywords

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Projects

H2020_IF_DARKSPHERE

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