In:
Chinese Physics C, IOP Publishing, Vol. 45, No. 7 ( 2021-07-01), p. 075001-
Abstract:
We present a systematic determination of the responses of PandaX-II, a dual phase xenon time projection chamber detector, to low energy recoils. The electron recoil (ER) and nuclear recoil (NR) responses are calibrated, respectively, with injected tritiated methane or 220 Rn source, and with 241 Am-Be neutron source, in an energy range from 1-25 keV (ER) and 4-80 keV (NR), under the two drift fields, 400 and 317 V/cm. An empirical model is used to fit the light yield and charge yield for both types of recoils. The best fit models can describe the calibration data significantly. The systematic uncertainties of the fitted models are obtained via statistical comparison to the data.
Type of Medium:
Online Resource
ISSN:
1674-1137
,
2058-6132
DOI:
10.1088/1674-1137/abf6c2
Language:
Unknown
Publisher:
IOP Publishing
Publication Date:
2021
detail.hit.zdb_id:
2491278-5
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