Scintillation yield of liquid xenon at room temperature
K. Ueshima, K. Abe, T. Iida, M. Ikeda, K. Kobayashi, Y. Koshio, A., Minamino, M. Miura, S. Moriyama, M. Nakahata, Y. Nakajima, H. Ogawa, H., Sekiya, M. Shiozawa, Y. Suzuki, A. Takeda, Y. Takeuchi, M. Yamashita, K., Kaneyuki, T. Doke, Y. Ebizuka, J. Kikuchi, A. Ota, S. Suzuki
TL;DR
This paper measures the scintillation light yield of liquid xenon at room temperature, finding it remains high and comparable to low-temperature conditions, which is promising for practical applications.
Contribution
It provides the first precise measurement of liquid xenon scintillation yield at room temperature, demonstrating its viability as a high-yield scintillator without cooling.
Findings
Light yield at 1°C is 0.64 times that at -100°C.
Corresponds to 29 photons/keV at room temperature.
Liquid xenon maintains high scintillation efficiency at room temperature.
Abstract
The intensity of scintillation light emission from liquid xenon at room temperature was measured. The scintillation light yield at 1 deg. was measured to be 0.64 +/- 0.02 (stat.) +/- 0.06 (sys.) of that at -100 deg. Using the reported light yield at -100 deg. (46 photons/keV), the measured light yield at 1 deg. corresponds to 29 photons/keV. This result shows that liquid xenon scintillator gives high light yield even at room temperature.
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