Retrieving "Argon Molecule" from the archives
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Liquid Argon
Linked via "argon molecules"
Ionization and Scintillation Yield
When high-energy particles traverse liquid argon/), they generate ionization electrons and excited argon molecules (excimers). The primary scintillation light emission occurs when these excimers decay, yielding photons predominantly in the ultraviolet range ($\sim 128 \text{ nm}$).
The light yield ($\text{LY}$) of pure $\text{LAr}$ is significant, though generally surpassed by liquid xenon ($\text{LXe}$). The relationship between charge yield ($Q$) an…