2.4k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- The University of TokyoJP25 papers
- Kavli Institute for the Physics and Mathematics of the UniverseJP15 papers
- Istituto Nazionale di Fisica Nucleare, Sezione di PadovaIT10 papers
- University of PaduaIT10 papers
- Hokkaido UniversityJP9 papers
- Kyoto UniversityJP9 papers
- Osservatorio Astronomico di PadovaIT9 papers
- Max Planck Institute for AstrophysicsDE8 papers
- The University of OsakaJP8 papers
- Agenzia Spaziale ItalianaIT6 papers
- Cardiff UniversityGB6 papers
- Centre National de la Recherche ScientifiqueFR6 papers
77 papers
Enumeration of Elliptic Curves via Elliptic Gromov-Witten Invariants of Four Dimensional Projective Fano Hypersurfaces
Masao Jinzenji, Ken Kuwata
In this paper, we propose a conjecture that clarifies the relationship between the number of degree d elliptic curves in complex four-dimensional projective Fano hypersurfaces and…
Shape of 12C
Masaaki Kimura, Yasutaka Taniguchi
We have examined the hypothesis by Bijker and Iachello who asserted that 12C has an internal structure with three alpha particles arranged in a triangular shape, leading to the for…
Investigation of the determination of nuclear deformation using high-energy heavy-ion scattering
Shin Watanabe, Takenori Furumoto, Wataru Horiuchi +2
Background: Nuclear deformation provides a crucial characteristic of nuclear structure. Conventionally, the quadrupole deformation length of a nucleus, , has often been dete…
Impact of the molecular resonances on the 12C+12C fusion reaction rate
Yasutaka Taniguchi, Masaaki Kimura
The properties of the low-energy 12C+12C molecular resonances, which potentially enhance the fusion reaction rate at low temperatures, have been investigated by a full-microscopic…
Tensor-to-scalar ratio forecasts for extended LiteBIRD frequency configurations
U. Fuskeland, J. Aumont, R. Aurlien +114
LiteBIRD is a planned JAXA-led CMB B-mode satellite experiment aiming for launch in the late 2020s, with a primary goal of detecting the imprint of primordial inflationary gravitat…
New constraints on axion-gauge field dynamics during inflation from and BICEP/Keck data sets
Paolo Campeti, Ogan Özsoy, Ippei Obata +1
We present new constraints on spectator axion- gauge field interactions during inflation using the latest (PR4) and BICEP/Keck 2018 data releases. This model c…
Polarization angle requirements for CMB B-mode experiments. Application to the LiteBIRD satellite
P. Vielva, E. Martínez-González, F. J. Casas +68
A methodology to provide the polarization angle requirements for different sets of detectors, at a given frequency of a CMB polarization experiment, is presented. The uncertainties…
4 linear-chain state produced by Be+Be collision
Tomoyuki Baba, Yasutaka Taniguchi, Masaaki Kimura
Extreme nuclear deformations provide great insight into the geometric formation of quantum many-body systems. In this work, the linear chain is assessed in O. We pre…
In-flight polarization angle calibration for LiteBIRD: blind challenge and cosmological implications
Nicoletta Krachmalnicoff, Tomotake Matsumura, Elena de la Hoz +67
We present a demonstration of the in-flight polarization angle calibration for the JAXA/ISAS second strategic large class mission, LiteBIRD, and estimate its impact on the measurem…
Schubert Calculus via Fermionic Variables
Ken Kuwata
Imanishi, Jinzenji and Kuwata provided a recipe for computing Euler number of Grassmann manifold using physical model and its path-integral [S.Imanishi, M.Jinzenji and K.K…
Gravitational wave trispectrum in the axion-SU(2) model
Tomohiro Fujita, Kai Murai, Ippei Obata +1
We study the trispectrum of the gravitational waves (GWs) generated through the dynamics of an axionic spectator field and SU(2) gauge fields during inflation. In non-Abelian gauge…
Description of isospin mixing by a generator coordinate method
M. Kimura, Y. Suzuki, T. Baba +1
Background: The isospin mixing is an interesting feature of atomic nuclei. It plays a crucial role in astrophysical nuclear reactions. However, it is not straightforward for variat…
Evaluation of Euler Number of Complex Grassmann Manifold G(k, N) via Mathai-Quillen Formalism
Shoichiro Imanishi, Masao Jinzenji, Ken Kuwata
In this paper, we provide a recipe for computing Euler number of Grassmann manifold G(k,N) by using Mathai-Quillen formalism (MQ formalism) and Atiyah-Jeffrey construction. Especia…
Fusion -factor from a Full-microscopic Nuclear Model
Yasutaka Taniguchi, Masaaki Kimura
The fusion reaction plays a vital role in the explosive phenomena of the universe. The resonances in the Gamow window rule its reaction rate…
Deficient Basis Estimation of Noise Spatial Covariance Matrix for Rank-Constrained Spatial Covariance Matrix Estimation Method in Blind Speech Extraction
Yuto Kondo, Yuki Kubo, Norihiro Takamune +2
Rank-constrained spatial covariance matrix estimation (RCSCME) is a state-of-the-art blind speech extraction method applied to cases where one directional target speech and diffuse…
Alcock-Paczynski effects on wide-angle galaxy statistics
Maresuke Shiraishi, Kazuyuki Akitsu, Teppei Okumura
The Alcock-Paczynski (AP) effect is a geometrical distortion in three-dimensional observed galaxy statistics. In anticipation of precision cosmology based on ongoing and upcoming a…
Brain-computer interface with rapid serial multimodal presentation using artificial facial images and voice
Akinari Onishi
Electroencephalography (EEG) signals elicited by multimodal stimuli can drive brain-computer interfaces (BCIs), and research has demonstrated that visual and auditory stimuli can b…
Unexpectedly enhanced -particle preformation in Ti probed by the reaction
Yasutaka Taniguchi, Kazuki Yoshida, Yohei Chiba +3
The formation of particle on nuclear surface has been a fundamental problem since the early age of nuclear physics. It strongly affects the decay lifetime of heavy and supe…
Wide-angle effects on galaxy ellipticity correlations
Maresuke Shiraishi, Atsushi Taruya, Teppei Okumura +1
We show an efficient way to compute wide-angle or all-sky statistics of galaxy intrinsic alignment in three-dimensional configuration space. For this purpose, we expand the two-poi…
Cross-correlations as a Diagnostic Tool for Primordial Gravitational Waves
Ameek Malhotra, Ema Dimastrogiovanni, Matteo Fasiello +1
We explore and corroborate, by working out explicit examples, the effectiveness of cross-correlating stochastic gravitational wave background anisotropies with CMB temperature fluc…
Minimum variance estimation of statistical anisotropy via galaxy survey
Maresuke Shiraishi, Teppei Okumura, Kazuyuki Akitsu
We consider the benefits of measuring cosmic statistical anisotropy from redshift-space correlators of the galaxy number density fluctuation and the peculiar velocity field without…
Consistent Independent Low-Rank Matrix Analysis for Determined Blind Source Separation
Daichi Kitamura, Kohei Yatabe
Independent low-rank matrix analysis (ILRMA) is the state-of-the-art algorithm for blind source separation (BSS) in the determined situation (the number of microphones is greater t…
Joint-Diagonalizability-Constrained Multichannel Nonnegative Matrix Factorization Based on Multivariate Complex Sub-Gaussian Distribution
Keigo Kamo, Yuki Kubo, Norihiro Takamune +4
In this paper, we address a statistical model extension of multichannel nonnegative matrix factorization (MNMF) for blind source separation, and we propose a new parameter update a…
alpha+28Si and 16O+16O molecular states, and their isoscalar monopole strengths
M. Kimura, Y. Taniguchi
The properties of the alpha+28Si and 16O+16O molecular states which are embedded in the excited states of 32S and can have an impact on the stellar reactions are investigated using…