902 citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- The University of TokyoJP376 papers
- RIKENJP189 papers
- Kyoto UniversityJP168 papers
- Institute of Space and Astronautical ScienceJP140 papers
- Japan Aerospace Exploration AgencyJP132 papers
- Tokyo Institute of TechnologyJP129 papers
- Nagoya UniversityJP127 papers
- Hiroshima UniversityJP117 papers
- Tokyo University of ScienceJP105 papers
- The University of OsakaJP100 papers
- Goddard Space Flight CenterUS96 papers
- Tohoku UniversityJP96 papers
64 papers · 1 filter
Simulation-based spectral analysis of X-ray CCD data affected by photon pile-up
Tsubasa Tamba, Hirokazu Odaka, Aya Bamba +6
We have developed a simulation-based method of spectral analysis for pile-up affected data of X-ray CCDs without any loss of photon statistics. As effects of the photon pile-up app…
A Third Epoch Proper Motion Study of The Forward Shock in Kepler's Supernova Remnant
Sadie C. Coffin, Brian J. Williams, Satoru Katsuda
We present measurements of the expansion of Kepler's Supernova Remnant (SNR) over three epochs of Chandra X-ray observations from 2000, 2006, and 2014. As the remnant of a historic…
A general formula by decomposition for the type-I seesaw mechanism
Masaki J. S. Yang
By performing an approximate spectral decomposition to the inverse mass matrix of the right-handed neutrinos , we obtain a basis-independent formula for the type-I seesaw m…
Antiferromagnetic ordering of organic Mott insulator -(BEDSe-TTF)GaCl
A. Ito, T. Kobayashi, D. P. Sari +6
The band structure and magnetic properties of organic charge-transfer salt -(BEDSe-TTF)GaCl (BEDSe-TTF: bis(ethylenediseleno)tetrathiafulvalene; abbreviated as -BEDSe…
First application of mass measurement with the Rare-RI Ring reveals the solar r-process abundance trend at A=122 and A=123
H. F. Li, S. Naimi, T. M. Sprouse +41
The Rare-RI Ring (R3) is a recently commissioned cyclotron-like storage ring mass spectrometer dedicated to mass measurements of exotic nuclei far from stability at Radioactive Iso…
Hybrid quantum-classical algorithm for computing imaginary-time correlation functions
Rihito Sakurai, Wataru Mizukami, Hiroshi Shinaoka
Quantitative descriptions of strongly correlated materials pose a considerable challenge in condensed matter physics and chemistry. A promising approach to address this problem is…
Charge-changing cross sections for Ca and effect of charged-particle evaporation induced by neutron removal reaction
M. Tanaka, M. Takechi, A. Homma +65
Charge-changing cross sections for Ca on a carbon target at around 280~MeV/nucleon have been measured. The measured values diffe…
Observation of Variations in Cosmic Ray Single Count Rates During Thunderstorms and Implications for Large-Scale Electric Field Changes
R. U. Abbasi, T. Abu-Zayyad, M. Allen +160
We present the first observation by the Telescope Array Surface Detector (TASD) of the effect of thunderstorms on the development of cosmic ray single count rate intensity over a 7…
Discovery of the Fastest Early Optical Emission from Overluminous SN Ia 2020hvf: A Thermonuclear Explosion within a Dense Circumstellar Environment
Ji-an Jiang, Keiichi Maeda, Miho Kawabata +28
In this Letter we report a discovery of a prominent flash of a peculiar overluminous Type Ia supernova, SN 2020hvf, in about 5 hours of the supernova explosion by the first wide-fi…
Numerical methods to evaluate Koopman matrix from system equations
Jun Ohkubo
The Koopman operator is beneficial for analyzing nonlinear and stochastic dynamics; it is linear but infinite-dimensional, and it governs the evolution of observables. The extended…
First Order Transitions Between the Gapped Spin-Liquid and Ferrimagnetic Phases in (1/2,1/2,1) Mixed Diamond Chains with Bond Alternation
Kazuo Hida
The ground-state phases of mixed diamond chains with bond alternation , and (, where is the magnitude of vertex spins, and and $τ…
Changing look AGN Mrk 590: Broad line region and black hole mass from photometric reverberation mapping
Amit Kumar Mandal, Malte Schramm, Suvendu Rakshit +9
We present the results of photometric reverberation mapping observations on the changing look active galactic nucleus Mrk 590 at z = 0.026. The observations were carried out from J…
Possible Detection of X-Ray Emitting Circumstellar Material in the Synchrotron-Dominated Supernova Remnant RX J 1713.7-3946
Dai Tateishi, Satoru Katsuda, Yukikatsu Terada +4
We report on a discovery of an X-ray emitting circumstellar material knot inside the synchrotron dominant supernova remnant (SNR) RX J1713.7-3946. This knot was previously thought…
Search for condensed states in C using inelastic scattering
K. Inaba, Y. Sasamoto, T. Kawabata +17
We searched for the condensed state in C by measuring the inelastic scattering at MeV at forward angles including 0 degrees. We performed the distorted-w…
Dimensional reduction of higher derivative heterotic supergravity
Hao-Yuan Chang, Ergin Sezgin, Yoshiaki Tanii
Higher derivative couplings of hypermultiplets to supergravity are obtained from dimensional reduction of 10D heterotic supergravity that includes order higher d…
Conditions of naturalness and fine-tunings for type-I seesaw mechanism with four-zero texture
Masaki J. S. Yang
In this paper, we search for conditions that the mass matrix of light neutrinos is not a result of large cancellations for the type-I seesaw mechanism with four-zero texture.…
Charge imbalance in -(BETS)GaCl and their interplay with superconductivity
Olga Iakutkina, Ece Uykur, Takuya Kobayashi +3
The two-dimensional organic superconductor -(BETS)GaCl exhibits pronounced charge fluctuations below ~K, in contrast to the sibling compound -(BETS)$_2…
Regularized Brascamp--Lieb inequalities
Neal Bez, Shohei Nakamura
Given any (forward) Brascamp--Lieb inequality on euclidean space, a famous theorem of Lieb guarantees that gaussian near-maximizers always exist. Recently, Barthe and Wolff used ma…
Synchronized Co-evolution between Supermassive Black Holes and Galaxies Over the Last Seven Billion Years as Revealed by the Hyper Suprime-Cam
Junyao Li, John D. Silverman, Xuheng Ding +11
We measure the evolution of the relation using 584 uniformly-selected SDSS quasars at . The black-hole masses () are derived from the single…
Partial Hasse invariants for Shimura varieties of Hodge-type
Naoki Imai, Jean-Stefan Koskivirta
For a connected reductive group over a finite field, we define partial Hasse invariants on the stack of -zip flags. We obtain similar sections on the flag space of Shimura v…
Probing the - Gauge Boson at the MUonE Experiment
Kento Asai, Koichi Hamaguchi, Natsumi Nagata +2
We discuss the prospects of probing the gauge boson at the MUonE experiment. The gauge boson with a mass of MeV, which can explain t…
SUPER V. ALMA continuum observations of z~2 AGN and the elusive evidence of outflows influencing star formation
I. Lamperti, C. M. Harrison, V. Mainieri +24
We study the impact of AGN ionised outflows on star formation in high-redshift AGN hosts, by combining NIR IFS observations, mapping the H emission and [OIII] outflows, with mat…
Matrix representation of meet-irreducible discrete copulas
Masato Kobayashi
Following Aguiló-Suñer-Torrens (2008), Kolesárová-Mesiar-Mordelová-Sempi (2006) and Mayor-Suñer-Torrens (2005), we continue to develop a theory of matrix representation for discret…
Commissioning of the camera of the first Large Size Telescope of the Cherenkov Telescope Array
T. Saito, C. Delgado, O. Blanch +30
The first Large Size Telescope (LST-1) of the Cherenkov Telescope Array has been operational since October 2018 at La Palma, Spain. We report on the results obtained during the cam…