283 citations · 1.6k across the 36 of their papers we have counts for
37 papers
In-situ high voltage generation with Cockcroft-Walton multiplier for xenon gas time projection chamber
Shinichi Akiyama, Junya Hikida, Masashi Yoshida +17
We have newly developed a Cockcroft-Walton (CW) multiplier that can be used in a gas time projection chamber (TPC). A TPC requires a high voltage to form an electric field that dri…
Development of a low-background micro pixel chamber for directional dark matter searches
Ryota Namai, Satoshi Higashino, Hirohisa Ishiura +11
Direct detection of weakly interacting massive particles (WIMPs) can provide strong evidence of their existence and the directional method would have an advantage over other method…
High-pressure xenon gas time projection chamber with scalable design and its performance at around the Q value of Xe double-beta decay
Masashi Yoshida, Kazuhiro Nakamura, Shinichi Akiyama +18
We have been developing a high-pressure xenon gas time projection chamber (TPC) to search for neutrinoless double beta () decay of Xe. The unique feature of this TPC…
Direction-sensitive dark matter search with three-dimensional vector-type tracking in NEWAGE
Takuya Shimada, Satoshi Higashino, Tomonori Ikeda +18
NEWAGE is a direction-sensitive dark matter search experiment with a three-dimensional tracking detector based on a gaseous micro time projection chamber. A direction-sensitive dar…
Direction-sensitive dark matter search with a low-background gaseous detector NEWAGE-0.3b''
Tomonori Ikeda, Kiseki Nakamura, Takuya Shimada +14
NEWAGE is a direction-sensitive dark matter search using a low-pressure gaseous time projection chamber. A low alpha-ray emission rate micro pixel chamber had been developed in ord…
Detection capability of Migdal effect for argon and xenon nuclei with position sensitive gaseous detectors
Kiseki D. Nakamura, Kentaro Miuchi, Shingo Kazama +3
Migdal effect is attracting interests because of the potential to enhance the sensitivities of direct dark matter searches to the low mass region. In spite of its great importance,…
The Hyper-Kamiokande Experiment -- Snowmass LOI
Kamiokande Collaboration, K. Abe, P. Adrich +387
Hyper-Kamiokande is the next generation underground water Cherenkov detector that builds on the highly successful Super-Kamiokande experiment. The detector which has an 8.4~times l…
First limits from a 3d-vector directional dark matter search with the NEWAGE-0.3b' detector
Ryota Yakabe, Kiseki Nakamura, Tomonori Ikeda +13
The first directional dark matter search with three-dimensional tracking with head-tail sensitivity (3d-vector tracking analysis) was performed with a gaseous three-dimensional tar…
Development of a Negative Ion Micro TPC Detector with SF Gas for the Directional Dark Matter Search
T. Ikeda, T. Shimada, H. Ishiura +3
A negative ion micro time projection chamber (NITPC) was developed and its performance studied. An NITPC is a novel technology that enables the measurement of absolute co…
Design and performance of a high-pressure xenon gas TPC as a prototype for a large-scale neutrinoless double-beta decay search
S. Ban, M. Hirose, A. K. Ichikawa +16
A high-pressure xenon gas time projection chamber, with a unique cellular readout structure based on electroluminescence, has been developed for a large-scale neutrinoless double-b…
Supernova Model Discrimination with Hyper-Kamiokande
Jost Migenda
Supernovae are among the most magnificent events in the observable universe. They produce many of the chemical elements necessary for life to exist and their remnants---neutron sta…
Development of a low--emitting -PIC as a readout device for direction-sensitive dark matter detectors
Takashi Hashimoto, Kentaro Miuchi, Tomonori Ikeda +10
Direction sensitivity could provide robust evidence for the direct detection of weakly interacting massive particles constituting dark matter. However, the sensitivity of this meth…
Search for proton decay into three charged leptons in 0.37 megaton-years exposure of the Super-Kamiokande
Kamiokande Collaboration, M. Tanaka, K. Abe +178
A search for proton decay into three charged leptons has been performed by using 0.37Mtonyears of data collected in Super-Kamiokande. All possible combinations of electr…
Front-end-Electronics for the SiPM-readout gaseous TPC for neutrinoless double beta decay search
K. Z. Nakamura, S. Ban, A. K. Ichikawa +7
We have developed a dedicated front-end-electronics board for a high-pressure xenon gas time projection chamber for a neutrinoless double-beta decay search. The ionization signal i…
Energy deposition on nuclear emulsion by slow recoil ions for directional dark matter searches
Akira Hitachi, A. Mozumder, Kiseki D. Nakamura
The electronic energy deposited on nuclear emulsions due to C ions of 5 -- 200~keV and Kr ions of 5 -- 600~keV are evaluated and compared with those due to fast ions for design and…
Development of a time projection chamber with a sheet-resistor field cage
Kentaro Miuchi, Tomonori Ikeda, Hirohisa Ishiura +12
A new-concept time projection chamber (TPC) using a commercial resistive sheet, sheet-resistor micro-TPC SR-microPIC, was developed and its performance was measured. SR-microTPC ha…
Measurement of neutrino-oxygen neutral-current quasi-elastic cross section using atmospheric neutrinos at Super-Kamiokande
Kamiokande Collaboration, L. Wan, K. Abe +164
Neutral current (NC) interactions of atmospheric neutrinos on oxygen form one of the major backgrounds in the search for supernova relic neutrinos with water-based Cherenkov detect…
Study of Negative-Ion TPC Using μ-PIC for Directional Dark Matter Search
Tomonori Ikeda, Kentaro Miuchi, Atsuhiko Ochi +8
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 fiducial…
Development of a low-alpha-emitting μ-PIC for NEWAGE direction-sensitive dark-matter search
Takashi Hashimoto, Kentaro Miuchi, Kiseki Nakamura +7
NEWAGE is a direction-sensitive dark-matter-search experiment that uses a micro-patterned gaseous detector, or μ-PIC, as the readout. The main background sources are α-rays from ra…
Measurement of neutrino and antineutrino oscillations by the T2K experiment including a new additional sample of interactions at the far detector
K. Abe, J. Amey, C. Andreopoulos +292
The T2K experiment reports an updated analysis of neutrino and antineutrino oscillations in appearance and disappearance channels. A sample of electron neutrino candidates at Super…
Search for nucleon decay into charged antilepton plus meson in 0.316 megatonyears exposure of the Super-Kamiokande water Cherenkov detector
Kamiokande Collaboration
We have searched for proton decays into a charged antilepton (, ) plus a meson (, , ) and neutron decays into a charged antilepton (, ) plus a meson…
Imaging Polarimeter for a Sub-MeV Gamma-Ray All-Sky Survey using an Electron-Tracking Compton Camera
Shotaro Komura, Atsushi Takada, Yoshitaka Mizumura +17
X-ray and gamma-ray polarimetry is a promising tool to study the geometry and the magnetic configuration of various celestial objects, such as binary black holes or gamma-ray burst…
Establishment of Imaging Spectroscopy of Nuclear Gamma-Rays based on Geometrical Optics
Toru Tanimori, Yoshitaka Mizumura, Atsushi Takada +16
Since the discovery of nuclear gamma-rays, its imaging has been limited to pseudo imaging, such as Compton Camera (CC) and coded mask. Pseudo imaging does not keep physical informa…
Search for Proton Decay via and in 0.31 megatonyears exposure of the Super-Kamiokande Water Cherenkov Detector
M. Miura
We have searched for proton decay via and using Super-Kamiokande data from April 1996 to March 2015, 0.306 megatonyea…