High Energy Accelerator Research Organization

output

19912026

most citedEvidence for oscillation of atmospheric neutrinos

5.1k citations

researchers with a paper here

Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.

collaborating institutions

7,076 papers

cond-mat.str-el2026★ 3 cited

Electronic Structure of a Delafossite Oxide CuAlO $_{2}$ in Comparison with CuCrO $_{2}$

Kenta Takahashi, Ryo Kato, Mario Okawa +6

We investigated the electronic structure of a delafossite oxide CuAlO $_{2}$ in comparison with CuCrO $_{2}$ , using vacuum ultraviolet (VUV) and hard x-ray (HX) photoemission spectroscop…

nucl-ex2026

Evolution of high-spin states in neutron-rich $^{195 - 202}$ Au isotopes approaching the $N = 126$ shell closure

Y. Cho, Y. H. Kim, A. Navin +48

\textbf{Background: } The nuclear structure in the region southwest of the doubly magic $^{208}$ Pb is important to benchmark theoretical models relevant for neutron-rich heavy elem…

cond-mat.mtrl-sci2026

Electron $g$ -value comparison of paramagnetic muonium and hydrogen centers in rutile TiO $_{2}$

T. U. Ito, W. Higemoto, A. Koda

Muonium (Mu) is widely used as a model for isolated hydrogen in condensed matter, but whether its electronic state is truly equivalent to that of hydrogen remains to be tested with…

cond-mat.str-el2026

Electronic phase separation and emergence of a nondimerized insulating phase in VO $_{2}$ $(110)_{R}$ ultrathin films

S. Inoue, D. Shiga, R. Hayasaka +3

Using in situ photoemission spectroscopy and x-ray absorption spectroscopy, we investigated the thickness dependence of the electronic structure and V-V dimerization in VO $_{2}$ /TiO$…

nucl-ex2026

Direct measurement of the in-medium $η^{'}$ mass spectrum through the $γ γ$ decay channel

Y. Matsumura, N. Muramatsu, T. A. Hashimoto +58

We measured the invariant mass of the $η^{'} (958)$ meson through the $η^{'} \to γ γ$ decay channel to search for possible character change of $η^{'}$ in a nuclear mediu…

astro-ph.HE2026

Constraints on the VHE counterpart of two binary black hole mergers observed by the MAGIC and CTAO LST-1 telescopes

K. Abe, S. Abe, J. Abhir +358

We present very-high-energy gamma-ray observations of two binary black hole merger candidates, GW240615_113620 and GW241125_010116, performed with the Major Atmospheric Gamma Imagi…

physics.ins-det2026

Hit-rate capability of a silicon strip detector module for decay positron detection in the J-PARC muon $g - 2$ /EDM experiment

Ryuto Azuma, Katsunori Awa, Shunsuke Doi +34

In the J-PARC muon $g - 2$ /EDM experiment, a silicon strip detector will be used to detect positrons from muon decays. The detector consists of planes of detector modules arranged ra…

physics.ins-det2026★ 2 cited

Gamma irradiation of ATLAS18 ITk strip sensors affected by static charge

M. Mikestikova, V. Fadeyev, P. Federicova +13

Construction of the new all-silicon ITk, developed by the ATLAS collaboration to be able to track charged particles produced at the HL- LHC, started in 2021 and is expected to cont…

physics.acc-ph2026

First Synchrotron Injection Attempt into The SuperKEKB High Energy Ring

N. Iida, Y. Funakoshi, H. Kaji +17

A synchrotron injection scheme for the SuperKEKB electron high-energy ring (HER) was implemented and experimentally evaluated as the first attempt with a top-up injection during be…

cond-mat.str-el2026

CE-antiferromagnetic electronic structure in LaSr $_{2}$ Mn $_{2}$ O $_{7}$ revealed by micro-focused angle-resolved photoemission spectroscopy and tight-binding models

Yasutaka Sawata, Yudai Hirai, Rintaro Miyabayashi +7

We have investigated the electronic structure of LaSr $_{2}$ Mn $_{2}$ O $_{7}$ in the CE-type antiferromagnetic (CE-AFM) state below the Néel temperature using micro-focused angle-resolved p…

cond-mat.supr-con2026

Superconductivity on the verge of metal-insulator transition in Cu $_{1 - x}$ Zn $_{x}$ Ir $_{2}$ S $_{4}$ probed by $μ$ SR

K. M. Kojima, M. Miyazaki, M. Hiraishi +6

The thiospinel CuIr $_{2}$ S $_{4}$ undergoes a metal-insulator transition below $\approx$ 230 K, which is suppressed by substitution of Cu with Zn (Cu $_{1 - x}$ Zn $_{x}$ Ir $_{2}$ S $_{4}$ ) to induce…

hep-ph2026

Chiral Quark Soliton Model And Nucleon Parton Distribution Functions

Masashi Wakamatsu

The chiral quark soliton model (CQSM) is an effective quark model of baryons maximally taking account of the most important feature of low-energy QCD, i.e., the spontaneous chiral…

astro-ph.IM2026

The performance of the TA $\times$ 4 surface detector array: 4.3 years of the first-half expansion

Telescope Array Collaboration, R. U. Abbasi, T. Abu-Zayyad +126

The Telescope Array (TA) experiment aims to reveal the origin of ultra-high-energy cosmic rays (UHECRs) by observing air showers using surface detectors (SDs), which spread over an…

hep-ph2026

A quarkyonic matter model

Toru Kojo

Quarkyonic matter is a state of matter in dense QCD whose bulk thermodynamics is dominated by quarks, while low-energy excitations remain confined. This picture leads to a crossove…

physics.ins-det2026

Study of Particle Fluence Effects on Collected Charge and Depletion Voltage of the ATLAS IBL Planar Pixel Sensors

ATLAS Collaboration

After ten years of operation at the LHC, the planar pixel sensors of the innermost barrel layer of the ATLAS Pixel detector have accumulated an average bulk damage fluence in exces…

hep-ph2026

Minimal dark $S U (2)$ origin of a massless Dirac neutrino

P. S. Bhupal Dev, Julia Gehrlein, Amartya Sengupta +1

We propose a gauge-symmetry origin of a rank-two Dirac neutrino mass matrix that enforces one exactly massless neutrino, while being consistent with the oscillation data, as well a…

hep-ex2026

Measurements of the Higgs boson production, fiducial and differential cross-sections in the four lepton decay channel using 164 fb $^{- 1}$ of data collected at $s$ = 13.6 TeV with the ATLAS detector

ATLAS Collaboration

Inclusive, differential and production-mode cross-section measurements of the Higgs boson are performed in the $H \to Z Z^{*} \to 4 ℓ$ decay channel. The analysis uses proton-prot…

physics.ins-det2026

Low-field carrier mobilities in silicon irradiated to extreme fluences

I. Bloch, B. Bruers, C. -T. Klein +6

The low-field carrier mobilities in <100> silicon were quantified as a function of the 1MeV neutron-equivalent fluence up to $1 0^{18}$ cm $^{- 2}$ and for temperatures between 2…

gr-qc2026★ 2 cited

GW240925 and GW250207: Astrophysical Calibration of Gravitational-wave Detectors

The LIGO Scientific Collaboration, the Virgo Collaboration, the KAGRA Collaboration +1839

GW240925 and GW250207 are two loud gravitational-wave signals from binary black hole coalescences observed with network signal-to-noise ratios $\sim 32$ and $\sim 69$ , respectively…

cond-mat.str-el2026

Incommensurate Magnetic Ordered Phase with Enhanced Low-Temperature Magnetic Specific Heat in SmAu $_{3}$ Al $_{7}$

Ryuji Higashinaka, Takuma Iwami, Kohsuke Saitou +12

Neutron scattering and muon spin rotation ( $μ$ SR) measurements on single-crystal SmAu $_{3}$ Al $_{7}$ reveal magnetically ordered states associated with successive transitions at $T_{\rm…

hep-ph2026

Twist-2 relations for the twist-3 tensor-polarized distribution function $f_{L T}$ of a spin-1 hadron by the operator-product-expansion method

S. Kumano, Kenshi Kuroki

In a spin-1 hadron, tensor-polarized parton distribution functions (PDFs) exist. The twist-2 function is $f_{1 LL}$ and a twist-3 one is $f_{L T}$ . Because an experiment is under pre…

cond-mat.str-el2026

Highly fluctuating double- $q$ magnetic order in the van der Waals metal CeTe $_{3}$

Ryutaro Okuma, Yuita Fujisawa, Natsumi Maekawa +5

CeTe $_{3}$ is a van der Waals antiferromagnet composed of magnetic [CeTe] $^{+}$ layers coupled to highly conducting Te $^{0.5 -}$ square nets. Its simple quasi-two-dimensional electronic…

hep-ph2026

Delineating neutral and charged mesons in magnetic fields

Toru Kojo, Sakura Itatani

We investigate the properties of neutral and charged mesons in magnetic fields, from weak-field to strong-field regimes. To develop analytic insights, we employ a non-relativistic…

gr-qc2026

Nonlinear Lattice Framework for Inflation: Bridging stochastic inflation and the $δ N$ formalism

Pankaj Saha, Yuichiro Tada, Yuko Urakawa

Understanding when inflationary perturbations become genuinely nonlinear near the horizon crossing requires methods that go beyond both linear perturbation theory and the gradient…

Electronic Structure of a Delafossite Oxide CuAlO2​ in Comparison with CuCrO2​

Evolution of high-spin states in neutron-rich 195−202Au isotopes approaching the N=126 shell closure

Electron g-value comparison of paramagnetic muonium and hydrogen centers in rutile TiO2​

Electronic phase separation and emergence of a nondimerized insulating phase in VO2​ (110)R​ ultrathin films

Direct measurement of the in-medium η′ mass spectrum through the γγ decay channel

Constraints on the VHE counterpart of two binary black hole mergers observed by the MAGIC and CTAO LST-1 telescopes

Hit-rate capability of a silicon strip detector module for decay positron detection in the J-PARC muon g−2/EDM experiment

Gamma irradiation of ATLAS18 ITk strip sensors affected by static charge

First Synchrotron Injection Attempt into The SuperKEKB High Energy Ring

CE-antiferromagnetic electronic structure in LaSr2​Mn2​O7​ revealed by micro-focused angle-resolved photoemission spectroscopy and tight-binding models

Superconductivity on the verge of metal-insulator transition in Cu1−x​Znx​Ir2​S4​ probed by μSR

Chiral Quark Soliton Model And Nucleon Parton Distribution Functions

The performance of the TA×4 surface detector array: 4.3 years of the first-half expansion

A quarkyonic matter model

Study of Particle Fluence Effects on Collected Charge and Depletion Voltage of the ATLAS IBL Planar Pixel Sensors

Minimal dark SU(2) origin of a massless Dirac neutrino

Measurements of the Higgs boson production, fiducial and differential cross-sections in the four lepton decay channel using 164 fb−1 of data collected at s​ = 13.6 TeV with the ATLAS detector

Low-field carrier mobilities in silicon irradiated to extreme fluences

GW240925 and GW250207: Astrophysical Calibration of Gravitational-wave Detectors

Incommensurate Magnetic Ordered Phase with Enhanced Low-Temperature Magnetic Specific Heat in SmAu3​Al7​

Twist-2 relations for the twist-3 tensor-polarized distribution function fLT​ of a spin-1 hadron by the operator-product-expansion method

Highly fluctuating double-q magnetic order in the van der Waals metal CeTe3​

Delineating neutral and charged mesons in magnetic fields

Nonlinear Lattice Framework for Inflation: Bridging stochastic inflation and the δN formalism

Electronic Structure of a Delafossite Oxide CuAlO $_{2}$ in Comparison with CuCrO $_{2}$

Evolution of high-spin states in neutron-rich $^{195 - 202}$ Au isotopes approaching the $N = 126$ shell closure

Electron $g$ -value comparison of paramagnetic muonium and hydrogen centers in rutile TiO $_{2}$

Electronic phase separation and emergence of a nondimerized insulating phase in VO $_{2}$ $(110)_{R}$ ultrathin films

Direct measurement of the in-medium $η^{'}$ mass spectrum through the $γ γ$ decay channel

Hit-rate capability of a silicon strip detector module for decay positron detection in the J-PARC muon $g - 2$ /EDM experiment

CE-antiferromagnetic electronic structure in LaSr $_{2}$ Mn $_{2}$ O $_{7}$ revealed by micro-focused angle-resolved photoemission spectroscopy and tight-binding models

Superconductivity on the verge of metal-insulator transition in Cu $_{1 - x}$ Zn $_{x}$ Ir $_{2}$ S $_{4}$ probed by $μ$ SR

The performance of the TA $\times$ 4 surface detector array: 4.3 years of the first-half expansion

Minimal dark $S U (2)$ origin of a massless Dirac neutrino

Measurements of the Higgs boson production, fiducial and differential cross-sections in the four lepton decay channel using 164 fb $^{- 1}$ of data collected at $s$ = 13.6 TeV with the ATLAS detector

Incommensurate Magnetic Ordered Phase with Enhanced Low-Temperature Magnetic Specific Heat in SmAu $_{3}$ Al $_{7}$

Twist-2 relations for the twist-3 tensor-polarized distribution function $f_{L T}$ of a spin-1 hadron by the operator-product-expansion method

Highly fluctuating double- $q$ magnetic order in the van der Waals metal CeTe $_{3}$

Nonlinear Lattice Framework for Inflation: Bridging stochastic inflation and the $δ N$ formalism