Please use this identifier to cite or link to this item:
https://hdl.handle.net/10316/106036
Title: | Energy resolution and linearity of XENON1T in the MeV energy range | Authors: | Cardoso, J. M. R. Lombardi, F Santos, J. M. F. dos XENON Collaboration |
Issue Date: | 2020 | Publisher: | Springer Nature | Serial title, monograph or event: | European Physical Journal C | Volume: | 80 | Issue: | 8 | Abstract: | Xenon dual-phase time projection chambers designed to search for weakly interacting massive particles have so far shown a relative energy resolutionwhich degrades with energy above ∼ 200 keV due to the saturation effects. This has limited their sensitivity in the search for rare events like the neutrinoless double-beta decay of 136Xe at its Q value, Qββ 2.46 MeV. For the XENON1T dual-phase time projection chamber, we demonstrate that the relative energy resolution at 1 σ/μ is as low as (0.80±0.02)% in its one-ton fiducial mass, and for single-site interactions at Qββ. We also present a new signal correction method to rectify the saturation effects of the signal readout system, resulting in more accurate position reconstruction and indirectly improving the energy resolution. The very good result achieved in XENON1T opens up new windows for the xenon dual-phase dark matter detectors to simultaneously search for other rare events. | URI: | https://hdl.handle.net/10316/106036 | DOI: | 10.1140/epjc/s10052-020-8284-0 | Rights: | openAccess |
Appears in Collections: | FCTUC Física - Artigos em Revistas Internacionais LIBPhys - Artigos em Revistas Internacionais |
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Energy-resolution-and-linearity-of-XENON1T-in-the-MeV-energy-rangeEuropean-Physical-Journal-C.pdf | 2.2 MB | Adobe PDF | View/Open |
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