Papers - Takahashi Ryuichi
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Exploring the baryonic effect signature in the Hyper Suprime-Cam Year 3 cosmic shear two-point correlations on small scales: The S8 tension remains present
Ryo Terasawa, Xiangchong Li, Masahiro Takada, Takahiro Nishimichi, Satoshi Tanaka, Sunao Sugiyama, Toshiki Kurita, Tianqing Zhang, Masato Shirasaki, Ryuichi Takahashi, Hironao Miyatake, Surhud More, Atsushi J. Nishizawa
Physical Review D ( 111 ) 063509 2025.3
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Impact of lensing bias on the cosmological dispersion measure
Ryuichi Takahashi
Journal of Cosmology and Astroparticle Physics 2024 ( 10 ) 057 2024.10
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New consistency relations between averages and variances of weakly lensed signals of gravitational waves
Morifumi Mizuno, Teruaki Suyama, Ryuichi Takahashi
Physical Review D 109 ( 8 ) 083505 2024.4
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Extracting high-order cosmological information in galaxy surveys with power spectra
Yuting Wang, Gong-Bo Zhao, Kazuya Koyama, Will J. Percival, Ryuichi Takahashi, Chiaki Hikage, Hector Gil-Marın, ChangHoon Hahn, Ruiyang Zhao, Weibing Zhang, Xiaoyong Mu, Yu Yu, Hong-Ming Zhu, Fei Ge
Communications Physics ( 7 ) 130 2024.4
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Flat to nonflat: Calculating nonlinear power spectra of biased tracers for a nonflat Λ CDM model
Ryo Terasawa, Ryuichi Takahashi, Takahiro Nishimichi, Masahiro Takada
Physical Review D ( 109 ) 063504 2024.3
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Hyper Suprime-Cam Year 3 results: Cosmology from galaxy clustering and weak lensing with HSC and SDSS using the emulator based halo model
Hironao Miyatake, Sunao Sugiyama, Masahiro Takada, Takahiro Nishimichi, Xiangchong Li, Masato Shirasaki, Surhud More, Yosuke Kobayashi, Atsushi J. Nishizawa, Markus M. Rau, Tianqing Zhang, Ryuichi Takahashi, Roohi Dalal, Rachel Mandelbaum, Michael A. Strauss, Takashi Hamana, Masamune Oguri, Ken Osato, Wentao Luo, Arun Kannawadi, Bau-Ching Hsieh, Robert Armstrong, Yutaka Komiyama, Robert H. Lupton, Nate B. Lust, Lauren A. MacArthur, Satoshi Miyazaki, Hitoshi Murayama, Yuki Okura, Paul A. Price, Tomomi Sunayama, Philip J. Tait, Masayuki Tanaka, Shiang-Yu Wang
Physical Review D ( 108 ) 123517 2023.12
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Hyper Suprime-Cam Year 3 results: Cosmology from cosmic shear two-point correlation functions
Xiangchong Li, Tianqing Zhang, Sunao Sugiyama, Roohi Dalal, Ryo Terasawa, Markus M. Rau, Rachel Mandelbaum, Masahiro Takada, Surhud More, Michael A. Strauss, Hironao Miyatake, Masato Shirasaki, Takashi Hamana, Masamune Oguri, Wentao Luo, Atsushi J. Nishizawa, Ryuichi Takahashi, Andrina Nicola, Ken Osato, Arun Kannawadi, Tomomi Sunayama, Robert Armstrong, James Bosch, Yutaka Komiyama, Robert H. Lupton, Nate B. Lust, Lauren A. MacArthur, Satoshi Miyazaki, Hitoshi Murayama, Takahiro Nishimichi, Yuki Okura, Paul A. Price, Philip J. Tait, Masayuki Tanaka, Shiang-Yu Wang
Physical Review D ( 108 ) 123518 2023.12
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Hyper Suprime-Cam Year 3 results: Cosmology from cosmic shear power spectra
Roohi Dalal, Xiangchong Li, Andrina Nicola, Joe Zuntz, Michael A. Strauss, Sunao Sugiyama, Tianqing Zhang, Markus M. Rau, Rachel Mandelbaum, Masahiro Takada, Surhud More, Hironao Miyatake, Arun Kannawadi, Masato Shirasaki, Takanori Taniguchi, Ryuichi Takahashi, Ken Osato, Takashi Hamana, Masamune Oguri, Atsushi J. Nishizawa, Andrés A. Plazas Malagón, Tomomi Sunayama, David Alonso, Anže Slosar, Robert Armstrong, James Bosch, Yutaka Komiyama, Robert H. Lupton, Nate B. Lust, Lauren A. MacArthur, Satoshi Miyazaki, Hitoshi Murayama, Takahiro Nishimichi, Yuki Okura, Paul A. Price, Philip J. Tait, Masayuki Tanaka, Shiang-Yu Wang
Physical Review D ( 108 ) 123519 2023.12
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Hyper Suprime-Cam Year 3 results: Measurements of clustering of SDSS-BOSS galaxies, galaxy-galaxy lensing, and cosmic shear
Surhud More, Sunao Sugiyama, Hironao Miyatake, Markus Michael Rau, Masato Shirasaki, Xiangchong Li, Atsushi J. Nishizawa, Ken Osato, Tianqing Zhang, Masahiro Takada, Takashi Hamana, Ryuichi Takahashi, Roohi Dalal, Rachel Mandelbaum, Michael A. Strauss, Yosuke Kobayashi, Takahiro Nishimichi, Masamune Oguri, Wentao Luo, Arun Kannawadi, Bau-Ching Hsieh, Robert Armstrong, James Bosch, Yutaka Komiyama, Robert H. Lupton, Nate B. Lust, Lauren A. MacArthur, Satoshi Miyazaki, Hitoshi Murayama, Yuki Okura, Paul A. Price, Philip J. Tait, Masayuki Tanaka, Shiang-Yu Wang
Physical Review D ( 108 ) 123520 2023.12
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Hyper Suprime-Cam Year 3 results: Cosmology from galaxy clustering and weak lensing with HSC and SDSS using the minimal bias model
Sunao Sugiyama, Hironao Miyatake, Surhud More, Xiangchong Li, Masato Shirasaki, Masahiro Takada, Yosuke Kobayashi, Ryuichi Takahashi, Takahiro Nishimichi, Atsushi J. Nishizawa, Markus M. Rau, Tianqing Zhang, Roohi Dalal, Rachel Mandelbaum, Michael A. Strauss, Takashi Hamana, Masamune Oguri, Ken Osato, Arun Kannawadi, Robert Armstrong, Yutaka Komiyama, Robert H. Lupton, Nate B. Lust, Satoshi Miyazaki, Hitoshi Murayama, Yuki Okura, Paul A. Price, Philip J. Tait, Masayuki Tanaka, Shiang-Yu Wang
Physical Review D ( 108 ) 123521 2023.12
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Probing the Solar Interior with Lensed Gravitational Waves from Known Pulsars
Ryuichi Takahashi, Soichiro Morisaki, Teruaki Suyama
The Astrophysical Journal ( 957 ) 52 2023.11
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On weak lensing response functions
D. Munshi, R. Takahashi, J. D. McEwen
Journal of Cosmology and Astroparticle Physics ( 010 ) 1 - 21 2022.10
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Cosmological inference from an emulator based halo model. II. Joint analysis of galaxy-galaxy weak lensing and galaxy clustering from HSC-Y1 and SDSS
Hironao Miyatake, Sunao Sugiyama, Masahiro Takada, Takahiro Nishimichi, Masato Shirasaki, Yosuke Kobayashi, Rachel Mandelbaum, Surhud More, Masamune Oguri, Ken Osato, Youngsoo Park, Ryuichi Takahashi, Jean Coupon, Chiaki Hikage, Bau-Ching Hsieh, Alexie Leauthaud, Xiangchong Li, Wentao Luo, Robert H. Lupton, Satoshi Miyazaki, Hitoshi Murayama, Atsushi J. Nishizawa, Paul A. Price, Melanie Simet, Joshua S. Speagle, Michael A. Strauss, Masayuki Tanaka, Naoki Yoshida
Physical Review D ( 106 ) 083520-1 - 083520-39 2022.10
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Cosmological inference from an emulator based halo model. I. Validation tests with HSC and SDSS mock catalogs
Hironao Miyatake, Yosuke Kobayashi, Masahiro Takada, Takahiro Nishimichi, Masato Shirasaki, Sunao Sugiyama, Ryuichi Takahashi, Ken Osato, Surhud More, Youngsoo Park
Physical Review D ( 106 ) 083519-1 - 083519-36 2022.10
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Separate universe approach to evaluate nonlinear matter power spectrum for nonflat ΛCDM model
Ryo Terasawa, Ryuichi Takahashi, Takahiro Nishimichi, Masahiro Takada
Physical Review D ( 106 ) 083504-1 - 083504-18 2022.10
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Amplitude and phase fluctuations of gravitational waves magnified by strong gravitational lensing
Masamune Oguri, Ryuichi Takahashi
Physical Review D ( 106 ) 043532-1 - 043532-9 2022.8
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HSC Year 1 cosmology results with the minimal bias method: HSC×BOSS galaxy-galaxy weak lensing and BOSS galaxy clustering
Sunao Sugiyama, Masahiro Takada, Hironao Miyatake, Takahiro Nishimichi, Masato Shirasaki, Yosuke Kobayashi, Rachel Mandelbaum, Surhud More, Ryuichi Takahashi, Ken Osato, Masamune Oguri, Jean Coupon, Chiaki Hikage, Bau-Ching Hsieh, Yutaka Komiyama, Alexie Leauthaud, Xiangchong Li, Wentao Luo, Robert H. Lupton, Hitoshi Murayama, Atsushi J. Nishizawa, Youngsoo Park, Paul A. Price, Melanie Simet, Joshua S. Speagle, Michael A. Strauss, Masayuki Tanaka
Physical Review D ( 105 ) 123537-1 - 123537-23 2022.6
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A new estimator for phase statistics
D. Munshi, R. Takahashi, J. D. McEwen, T. D. Kitching, F. R. Bouchet
Journal of Cosmology and Astroparticle Physics ( 005 ) 1 - 16 2022.5
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Probing cosmology and gastrophysics with fast radio bursts: Cross-correlations of dark matter haloes and cosmic dispersion measures
Masato Shirasaki, Ryuichi Takahashi, Ken Osato, Kunihito Ioka
2022.2
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Cosmological boost factor for dark matter annihilation at redshifts of z=10−100 using the power spectrum approach
Ryuichi Takahashi, Kazunori Kohri
2021.11