Experimental study of ionization yield of liquid xenon for electron recoils in the energy range 2.8–80 keV

We present the results of the first detailed experimental study of ionization yield of electron recoils with energies below 100 keV produced in liquid xenon by the isotopes super(37) Ar, super(83m) Kr, super(241) Am, super(129) Xe, super(131) Xe. It is confirmed by a direct measurement with super(37...

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Veröffentlicht in:	Journal of instrumentation 2014-11, Vol.9 (11), p.P11014-P11014
Hauptverfasser:	Akimov, D.Yu, Afanasyev, V.V., Alexandrov, I.S., Belov, V.A., Bolozdynya, A.I., Burenkov, A.A., Efremenko, Yu.V., Egorov, D.A., Etenko, A.V., Gulin, M.A., Ivakhin, S.V., Kaplin, V.A., Karelin, A.K., Khromov, A.V., Kirsanov, M.A., Klimanov, S.G., Kobyakin, A.S., Konovalov, A.M., Kovalenko, A.G., Kuchenkov, A.V., Kumpan, A.V., Melikyan, Yu.A., Nikolaev, R.I., Rudik, D.G., Sosnovtsev, V.V., Stekhanov, V.N.
Format:	Artikel
Sprache:	eng
Schlagworte:	Decay Energy measurement Instrumentation Ionization Isotopes Liquids Recoil Xenon
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Zusammenfassung:	We present the results of the first detailed experimental study of ionization yield of electron recoils with energies below 100 keV produced in liquid xenon by the isotopes super(37) Ar, super(83m) Kr, super(241) Am, super(129) Xe, super(131) Xe. It is confirmed by a direct measurement with super(37) Ar isotope (2.82 keV) that the ionization yield increases with the energy decrease in the energy range below ~ 10 keV in accord with the NEST predictions. Decay time of scintillation at 2.82 keV is measured to be [tau] = 25 + or - 3 ns at electric field 3.75 kV/cm.
ISSN:	1748-0221 1748-0221
DOI:	10.1088/1748-0221/9/11/P11014