824 citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- The University of TokyoJP204 papers
- Institute for Cosmic Ray ResearchJP163 papers
- Kavli Institute for the Physics and Mathematics of the UniverseJP149 papers
- Kobe UniversityJP143 papers
- Kyoto UniversityJP124 papers
- High Energy Accelerator Research OrganizationJP115 papers
- Miyagi University of EducationJP103 papers
- Boston UniversityUS101 papers
- Nagoya UniversityJP101 papers
- Stony Brook UniversityUS101 papers
- University of California, IrvineUS101 papers
- Duke UniversityUS94 papers
53 papers · 1 filter
Excavation of a 69-m diameter and 94-m high cavern for the Hyper-Kamiokande detector
Y. Asaoka, H. Tanaka, S. Nakayama +14
The excavation of the Hyper-Kamiokande cavern, 600 m underground, is complete. Measuring 69 m in diameter and 94 m in height, it is among the world's largest rock caverns. A vertic…
Introducing a Markov Chain-Based Time Calibration Procedure for Multi-Channel Particle Detectors: Application to the SuperFGD and ToF Detectors of the T2K Experiment
S. Abe, H. Alarakia-Charles, I. Alekseev +190
Inter-channel mis-synchronisation can be a limiting factor to the time resolution of high performance timing detectors with multiple readout channels and independent electronics un…
Background stability and annual modulation test using PICOLON ultra-pure NaI(Tl) detector
PICOLON Collaboration, K. Kotera, D. Chernyak +20
The dark matter observation claimed by the DAMA/LIBRA experiment has been a long-standing puzzle within the particle physics community. NaI(Tl) crystals with radiopurity comparable…
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…
The neutron veto of the XENONnT experiment: Results with demineralized water
XENON Collaboration, E. Aprile, J. Aalbers +167
Radiogenic neutrons emitted by detector materials are one of the most challenging backgrounds for the direct search of dark matter in the form of weakly interacting massive particl…
Neutrinoless Double Beta Decay Sensitivity of the XLZD Rare Event Observatory
XLZD Collaboration, J. Aalbers, K. Abe +441
The XLZD collaboration is developing a two-phase xenon time projection chamber with an active mass of 60 to 80 t capable of probing the remaining WIMP-nucleon interaction parameter…
Second gadolinium loading to Super-Kamiokande
K. Abe, C. Bronner, Y. Hayato +246
The first loading of gadolinium (Gd) into Super-Kamiokande in 2020 was successful, and the neutron capture efficiency on Gd reached 50\%. To further increase the Gd neutron capture…
The XENONnT Dark Matter Experiment
XENON Collaboration, E. Aprile, J. Aalbers +192
The multi-staged XENON program at INFN Laboratori Nazionali del Gran Sasso aims to detect dark matter with two-phase liquid xenon time projection chambers of increasing size and se…
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…
Development of a low-background HPGe detector at Kamioka Observatory
K. Ichimura, H. Ikeda, Y. Kishimoto +9
A new ultra-low background high-purity germanium (HPGe) detector has been installed at the Kamioka underground experimental site. The background count rate in the energy range from…
Analyzing the neutron and -ray emission properties of an americium-beryllium tagged neutron source
Hiroshi Ito, Kohei Wada, Takatomi Yano +5
Americium-beryllium (AmBe), a well-known tagged neutron source, is commonly used for evaluating the neutron detection efficiency of detectors used in ultralow background particle p…
The Triggerless Data Acquisition System of the XENONnT Experiment
E. Aprile, J. Aalbers, K. Abe +162
The XENONnT detector uses the latest and largest liquid xenon-based time projection chamber (TPC) operated by the XENON Collaboration, aimed at detecting Weakly Interacting Massive…
Low-energy Calibration of XENON1T with an Internal Ar Source
E. Aprile, K. Abe, F. Agostini +161
A low-energy electronic recoil calibration of XENON1T, a dual-phase xenon time projection chamber, with an internal Ar source was performed. This calibration source features…
Estimation of Newtonian noise from KAGRA cooling system
Rishabh Bajpai, Takayuki Tomaru, Toshikazu Suzuki +3
KAGRA is the first km-scale gravitational wave detector to be constructed underground and employ cryogenics to cool down its test masses. While the underground location provides a…
A Next-Generation Liquid Xenon Observatory for Dark Matter and Neutrino Physics
J. Aalbers, K. Abe, V. Aerne +591
The nature of dark matter and properties of neutrinos are among the most pressing issues in contemporary particle physics. The dual-phase xenon time-projection chamber is the leadi…
Application and modeling of an online distillation method to reduce krypton and argon in XENON1T
E. Aprile, K. Abe, F. Agostini +151
A novel online distillation technique was developed for the XENON1T dark matter experiment to reduce intrinsic background components more volatile than xenon, such as krypton or ar…
Material radiopurity control in the XENONnT experiment
E. Aprile, K. Abe, F. Agostini +150
The selection of low-radioactive construction materials is of the utmost importance for rare-event searches and thus critical to the XENONnT experiment. Results of an extensive rad…
Precise measurement of the scintillation decay constant of ZnWO crystal
M. Shibata, H. Sekiya, K. Ichimura
The scintillation decay time constant of a ZnWO crystal irradiated with -particles from Am was precisely investigated, and was found to depend on the incident direct…
First Gadolinium Loading to Super-Kamiokande
K. Abe, C. Bronner, Y. Hayato +212
In order to improve Super-Kamiokande's neutron detection efficiency and to thereby increase its sensitivity to the diffuse supernova neutrino background flux, 13 tons of $\rm Gd_2(…
Rn emanation measurements for the XENON1T experiment
E. Aprile, J. Aalbers, F. Agostini +140
The selection of low-radioactive construction materials is of utmost importance for the success of low-energy rare event search experiments. Besides radioactive contaminants in the…
Characterization of New Silicon Photomultipliers with Low Dark Noise at Low Temperature
K. Ozaki, S. Kazama, M. Yamashita +2
Silicon photomultipliers (SiPMs) have a low radioactivity, compact geometry, low operation voltage, and reasonable photo-detection efficiency for vacuum ultraviolet light (VUV). Th…
Projected WIMP Sensitivity of the XENONnT Dark Matter Experiment
The XENON collaboration, E. Aprile, J. Aalbers +137
XENONnT is a dark matter direct detection experiment, utilizing 5.9 t of instrumented liquid xenon, located at the INFN Laboratori Nazionali del Gran Sasso. In this work, we predic…
Improved method for measuring low concentration radium and its application to the Super-Kamiokande Gadolinium project
S. Ito, K. Ichimura, Y. Takaku +8
Chemical extraction using a molecular recognition resin named "Empore Radium Rad Disk" was developed to improve sensitivity for the low concentration of radium (Ra). Compared with…
Development of low-background photomultiplier tubes for liquid xenon detectors
XMASS Collaboration, K. Abe, Y. Chen +36
We successfully developed a new photomultiplier tube (PMT) with a three-inch diameter, convex-shaped photocathode, R13111. Its prominent features include good performance and ultra…