Electroluminescence collection cell as a readout for a high energy resolution Xenon gas TPC

S. Ban, K. D. Nakamura, M. Hirose, A. K. Ichikawa, A. Minamino, K. Miuchi, T. Nakaya, H. Sekiya, S. Tanaka, K. Ueshima, S. Yanagita, Y. Ishiyama, S. Akiyama

Research output: Contribution to journalArticlepeer-review

12 Citations (Scopus)


AXEL is a high pressure xenon gas TPC detector being developed for neutrinoless double-beta decay search. We use the proportional scintillation mode with a new electroluminescence light detection system to achieve high energy resolution in a large detector. The detector also has tracking capabilities, which enable significant background rejection. To demonstrate our detection technique, we constructed a 10L prototype detector filled with up to 10bar xenon gas. The FWHM energy resolution obtained by the prototype detector with 4 bar Xenon gas is 4.0±0.30 % at 122keV, which corresponds to 0.9∼2.0% when extrapolated to the Q value of the 0νββ decay of 136Xe.

Original languageEnglish
Pages (from-to)185-192
Number of pages8
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Publication statusPublished - 2017 Dec 11


  • Electroluminescence
  • Neutrinoless double beta decay
  • Time projection chambers
  • Xenon


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