https://doi.org/10.1051/epjconf/201817402006
Study of Negative-Ion TPC Using μ-PIC for Directional Dark Matter Search
1
Department of Physics, Kobe University, Rokkodaicho, Nada Hyogo 657-8501
2
Department of Physics, Occidental College, Los Angeles, CA 90041, USA
3
Department of Physics, Kyoto University, Kitashirakawaoiwakecho, Sakyo, Kyoto 606-8502, Japan
a e-mail: tomonori@stu.kobe-u.ac.jp
Published online: 21 February 2018
Negative-ion time projection chambers(TPCs) have been studied for low-rate and high-resolution applications such as dark matter search experiments. Recently, a full volume fiducialization in a self-triggering TPC was realized. This innovative technology demonstrated a significant reduction in the background with MWPC-TPCs. We studied negative-ion TPC using the μ-PIC+GEM system and obtained sufficient gas gain with CS2 gas and SF6 gas at low pressures. We expect an improvement in detector sensitivity and angular resolution with better electronics.
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (http://creativecommons.org/licenses/by/4.0/).
