MPGD simulation in negative-ion gas for direction-sensitive dark matter searches

Autor:	Ishiura, Hirohisa, Veenhof, Rob, Miuchi, Kentaro, Tomonori, Ikeda
Rok vydání:	2019
Předmět:	Physics - Instrumentation and Detectors Astrophysics - Instrumentation and Methods for Astrophysics
Druh dokumentu:	Working Paper
DOI:	10.1088/1742-6596/1498/1/012018
Popis:	Negative-ion time projection chambers (NITPCs) provide the absolute z-position from the arrival-times' difference of several species of negative-ions. This is a strong background reduction method for rare event searches, such as direct dark mater searches. The characteristics of micro pattern gaseous detectors (MPGDs) in negative-ion gas were studied by both experiments and simulations to develop an NITPC for dark matter search experiments. An MPGD simulation method for the negative-ion gas with Garfield++, which has not yet been established, was developed. We present herein the MPGD simulation results in negative-ion gas, $\mathrm{SF_{6}}$ gas, together with the experimental results, such as gain, energy resolution, and signal creation from the MPGD for future NITPC optimization. Comment: MPGD2019 proceedings, 8 pages, 11 figures
Databáze:	arXiv
Externí odkaz:	http://arxiv.org/abs/1907.12729 Zobrazit plný text záznamu View this record from Arxiv