activity
20202026
most citedSearch for the Majorana Nature of Neutrinos in the Inverted Mass Ordering Region with KamLAND-Zen

243 citations · 471 across the 23 of their papers we have counts for

collaborators

23 papers

astro-ph.HE2026

Search for Diffuse Supernova Neutrino Background in the Full KamLAND Dataset with Neural-Network-Based Event Classification

D. Chernyak, T. Eda, M. Eizuka +63

We report a search for the diffuse supernova neutrino background (DSNB) with the KamLAND detector, targeting electron antineutrinos via inverse beta decay in the neutrino energy ra…

physics.ins-det2025

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…

astro-ph.HE2024

Limits on the Low-Energy Electron Antineutrino Flux from the Brightest GRB of All Time

T. Araki, S. Chauhan, K. Chiba +69

The electron antinuetrino flux limits are presented for the brightest gamma-ray burst (GRB) of all time, GRB221009A, over a range of 1.8-200 MeV using the Kamioka Liquid Scintillat…

hep-ex2024★ 34 cited

Search for Majorana Neutrinos with the Complete KamLAND-Zen Dataset

S. Abe, T. Araki, K. Chiba +69

We present a search for neutrinoless double-beta () decay of Xe using the full \mbox{KamLAND-Zen 800} dataset with 745\,kg of enriched xenon, corresponding to an expo…

hep-ex2024★ 14 cited

Combined Pre-Supernova Alert System with Kamland and Super-Kamiokande

KamLAND, Super-Kamiokande Collaborations, : +311

Preceding a core-collapse supernova, various processes produce an increasing amount of neutrinos of all flavors characterized by mounting energies from the interior of massive star…

astro-ph.IM2024★ 1 cited

Present status of PICOLON project

K. Fushimi, D. Chernyak, H. Ejiri +24

The existence of cosmic dark matter and neutrino properties are long-standing problems in cosmology and particle physics. These problems have been investigated by using radiation d…

hep-ex2023★ 3 cited

Search for Charged Excited States of Dark Matter with KamLAND-Zen

Zen collaboration, S. Abe, M. Eizuka +64

Particle dark matter could belong to a multiplet that includes an electrically charged state. WIMP dark matter () accompanied by a negatively charged excited state ()…

physics.ins-det2023★ 1 cited

Radiopurity of NaI(Tl) crystals for PICOLON dark matter experiment

K. Kotera, D. Chernyak, H. Ejiri +19

The dark matter observation claim by the DAMA/LIBRA collaboration has been a long-standing puzzle within the particle physics community. Efforts of other research groups to verify…

hep-ex2023

Measurement of cosmic-ray muon spallation products in a xenon-loaded liquid scintillator with KamLAND

Zen Collaboration, S. Abe, S. Asami +63

Cosmic-ray muons produce various radioisotopes when passing through material. These spallation products can be backgrounds for rare event searches such as in solar neutrino, double…

hep-ex2022★ 15 cited

First measurement of the strange axial coupling constant using neutral-current quasielastic interactions of atmospheric neutrinos at KamLAND

KamLAND Collaboration, S. Abe, S. Asami +61

We report a measurement of the strange axial coupling constant using atmospheric neutrino data at KamLAND. This constant is a component of the axial form factor of the neut…

physics.geo-ph2022★ 27 cited

Abundances of uranium and thorium elements in Earth estimated by geoneutrino spectroscopy

S. Abe, S. Asami, M. Eizuka +64

The decay of the primordial isotopes , , , and have contributed to the terrestrial heat budget throughout t…

astro-ph.HE2022★ 6 cited

Search for supernova neutrinos and constraint on the galactic star formation rate with the KamLAND data

S. Abe, S. Asami, M. Eizuka +63

We present the results of a search for core-collapse supernova neutrinos, using long-term KamLAND data from 2002 March 9 to 2020 April 25. We focus on the electron antineutrinos em…

hep-ex2022★ 243 cited

Search for the Majorana Nature of Neutrinos in the Inverted Mass Ordering Region with KamLAND-Zen

Zen Collaboration, S. Abe, S. Asami +70

The KamLAND-Zen experiment has provided stringent constraints on the neutrinoless double-beta () decay half-life in Xe using a xenon-loaded liquid scintillator. We re…

astro-ph.HE2022★ 1 cited

KamLAND's search for correlated low-energy electron antineutrinos with astrophysical neutrinos from IceCube

S. Abe, S. Asami, M. Eizuka +66

We report the results of a search for MeV-scale astrophysical neutrinos in KamLAND presented as an excess in the number of coincident neutrino interactions associated with the publ…

astro-ph.HE2022★ 4 cited

A search for correlated low-energy electron antineutrinos in KamLAND with gamma-ray bursts

S. Abe, S. Asami, A. Gando +64

We present the results of a time-coincident event search for low-energy electron antineutrinos in the KamLAND detector with gamma-ray bursts from the Gamma-ray Coordinates Network…

astro-ph.IM2021★ 7 cited

PICOLON dark matter search project

K. Fushimi, D. Chernyak, H. Ejiri +21

PICOLON (Pure Inorganic Crystal Observatory for LOw-energy Neutr(al)ino) aims to search for cosmic dark matter by high purity NaI(Tl) scintillator. We developed extremely pure NaI(…

astro-ph.HE2021★ 44 cited

Limits on astrophysical antineutrinos with the KamLAND experiment

S. Abe, S. Asami, A. Gando +66

We report on a search for electron antineutrinos () from astrophysical sources in the neutrino energy range 8.3 to 30.8 MeV with the KamLAND detector. In an exposure of 6.…

physics.ins-det2021★ 1 cited

Dark matter search with high purity NaI(Tl) scintillator

K. Fushimi, Y. Kanemitsu, K. Kotera +21

A dark matter search project needs and extremely low background radiation detector since the expected event rate of dark matter is less than a few events in one year in one tonne o…

astro-ph.SR2021

Search for Solar Flare Neutrinos with the KamLAND detector

S. Abe, S. Asami, A. Gando +65

We report the result of a search for neutrinos in coincidence with solar flares from the GOES flare database. The search was performed on a 10.8 kton-year exposure of KamLAND colle…

physics.ins-det2021★ 18 cited

The nylon balloon for xenon loaded liquid scintillator in KamLAND-Zen 800 neutrinoless double-beta decay search experiment

Zen collaboration, Y. Gando, A. Gando +70

The KamLAND-Zen 800 experiment is searching for the neutrinoless double-beta decay of Xe by using Xe-loaded liquid scintillator. The liquid scintillator is enclosed…

hep-ex2021★ 1 cited

A Search for Charged Excitation of Dark Matter with the KamLAND-Zen Detector

S. Abe, S. Asami, A. Gando +68

There are many theories where a dark matter particle is part of a multiplet with an electrically charged state. If WIMP dark matter () is accompanied by a charged excited st…

physics.ins-det2021★ 32 cited

Development of highly radiopure NaI(Tl) scintillator for PICOLON dark matter search project

K. Fushimi, Y. Kanemitsu, S. Hirata +20

The highly radiopure NaI(Tl) was developed to search for particle candidates of dark matter. The optimized methods were combined to reduce various radioactive impurities. The $^{40…

astro-ph.HE2020★ 19 cited

Search for Low-energy Electron Antineutrinos in KamLAND Associated with Gravitational Wave Events

S. Abe, S. Asami, A. Gando +65

We present the results of a search for MeV-scale electron antineutrino events in KamLAND in coincident with the 60 gravitational wave events/candidates reported by the LIGO/Virgo c…