Ryuji Yamazaki | Researchain

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Featured researches published by Ryuji Yamazaki.

Chinese Physics C | 2016

An event mixing technique for Bose-Einstein correlations of two pions in photoproduction around 1 GeV

Q. He; H. Fujimura; H. Fukasawa; R. Hashimoto; Yoshio Honda; T. Ishikawa; T. Iwata; S. Kaida; Jirohta Kasagi; A. Kawano; S. Kuwasaki; K. Maeda; S. Masumoto; M. Miyabe; F. Miyahara; K. Mochizuki; N. Muramatsu; A. Nakamura; K. Nawa; S. Ogushi; Y. Okada; Y. Onodera; K. Ozawa; Y. Sakamoto; M. Sato; H. Shimizu; H. Sugai; K. Suzuki; Y. Tajima; S. Takahashi

We have developed an event mixing technique to observe Bose-Einstein correlations (BEC) between two identical neutral pions produced in photo-induced reactions in the non-perturbative QCD energy region. It is found that the missing-mass consistency cut and the pion-energy cut are essential for the event mixing method to effectively extract BEC observables. A Monte Carlo (MC) simulation is used to validate these constraints and confirms the efficiency of this method. Our work paves the way for similar BEC studies at lower energies where the multiplicity of emitted bosons is limited.

Few-body Systems | 2013

π0 and η Photoproduction on the Deuteron at ELPH, Tohoku University

T. Ishikawa; H. Fujimura; H. Fukasawa; R. Hashimoto; Q. He; Yoshio Honda; T. Iwata; S. Kaida; Jirohta Kasagi; A. Kawano; S. Kuwasaki; Kazushige Maeda; S. Masumoto; M. Miyabe; F. Miyahara; K. Mochizuki; N. Muramatsu; A. Nakamura; K. Nawa; S. Ogushi; Y. Okada; Y. Onodera; K. Ozawa; Y. Sakamoto; M. Sato; H. Shimizu; H. Sugai; K. Suzuki; Y. Tajima; S. Takahashi

Physics Letters B | 2017

First measurement of coherent double neutral-pion photoproduction on the deuteron at incident energies below 0.9 GeV

T. Ishikawa; H. Fujimura; H. Fukasawa; R. Hashimoto; Q. He; Yoshio Honda; T. Iwata; S. Kaida; H. Kanda; Jirohta Kasagi; A. Kawano; S. Kuwasaki; Kazushige Maeda; S. Masumoto; M. Miyabe; F. Miyahara; K. Mochizuki; N. Muramatsu; A. Nakamura; K. Nawa; S. Ogushi; Y. Okada; K. Okamura; Y. Onodera; K. Ozawa; Y. Sakamoto; M. Sato; H. Shimizu; H. Sugai; K. Suzuki

Proceedings of the 10th International Workshop on the Physics of Excited Nucleons (NSTAR2015) | 2016

Meson Photoproduction Experiments at ELPH, Tohoku University

T. Ishikawa; H. Fujimura; H. Fukasawa; R. Hashimoto; Q. He; Yuki Honda; Takahiro Iwata; S. Kaida; Jirohta Kasagi; A. Kawano; S. Kuwasaki; Kazushige Maeda; S. Masumoto; M. Miyabe; F. Miyahara; K. Mochizuki; N. Muramatsu; A. Nakamura; K. Nawa; S. Ogushi; Y. Okada; Y. Onodera; K. Ozawa; Y. Sakamoto; Mamoru Sato; H. Shimizu; H. Sugai; K. Suzuki; Y. Tajima; S. Takahashi

Bulletin of the American Physical Society | 2014

Bose-Einstein correlations between two neutral pions from photoproduction below 1.2 GeV

Qinghua He; R. Hashimoto; T. Ishikawa; Shinichi Masumoto; M. Miyabe; N. Muramatsu; H. Shimizu; Yasuhisa Tajima; Yusuke Tsuchikawa; Hirohito Yamazaki; Ryuji Yamazaki

Few-body Systems | 2013

Study for the ω–N Interaction Through ω Photoproduction Near the Threshold

R. Hashimoto; H. Fujimura; H. Fukasawa; Q. He; Yoshio Honda; T. Ishikawa; T. Iwata; S. Kaida; Jirohta Kasagi; A. Kawano; S. Kuwasaki; Kazushige Maeda; S. Masumoto; M. Miyabe; F. Miyahara; K. Mochizuki; N. Muramatsu; A. Nakamura; K. Nawa; S. Ogushi; Y. Okada; Y. Onodera; K. Ozawa; Y. Sakamoto; M. Sato; H. Shimizu; H. Sugai; K. Suzuki; Y. Tajima; S. Takahashi

Proceedings of the 12th International Conference on Hypernuclear and Strange Particle Physics (HYP2015) | 2017

K0Λ Photoproduction Studied with an Electromagnetic Calorimeter FOREST

Yusuke Tsuchikawa; H. Fujimura; H. Fukasawa; R. Hashimoto; Q. He; Yuki Honda; T. Ishikawa; Takahiro Iwata; S. Kaida; Jirohta Kasagi; A. Kawano; S. Kuwasaki; Kazushige Maeda; S. Masumoto; M. Miyabe; F. Miyahara; K. Mochizuki; N. Muramatsu; A. Nakamura; K. Nawa; S. Ogushi; Y. Okada; Y. Onodera; K. Ozawa; Y. Sakamoto; Mamoru Sato; H. Shimizu; H. Sugai; K. Suzuki; Y. Tajima

Proceedings of the 10th International Workshop on the Physics of Excited Nucleons (NSTAR2015) | 2016

The Performance Study of an Electro-Magnetic Calorimeter for the LEPS2/BGOegg Experiment

Yuji Matsumura; T. Ishikawa; M. Miyabe; N. Muramatsu; H. Shimizu; Hirotomo Hamano; Toshikazu Hashimoto; S. Kido; S. Masumoto; Keigo Mizutani; K. Ozawa; Takuya Shibukawa; Ken’ichiro Shiraishi; A.O. Tokiyasu; Natsuki Tomida; Nam Tran; Yusuke Tsuchikawa; Hirohito Yamazaki; Ryuji Yamazaki; M. Yosoi

EPJ Web of Conferences | 2016

Double neutral pion photoproduction off the proton with FOREST at ELPH

Q. He; H. Fujimura; H. Fukasawa; R. Hashimoto; Yoshio Honda; T. Ishikawa; T. Iwata; S. Kaida; Jirohta Kasagi; A. Kawano; S. Kuwasaki; Kazushige Maeda; S. Masumoto; M. Miyabe; F. Miyahara; K. Mochizuki; N. Muramatsu; A. Nakamura; K. Nawa; S. Ogushi; Y. Okada; Y. Onodera; K. Ozawa; Y. Sakamoto; M. Sato; H. Shimizu; H. Sugai; K. Suzuki; Y. Tajima; S. Takahashi

Bulletin of the American Physical Society | 2014

The search for the eta' mesic nuclei in the BGOegg experiment

Natsuki Tomida; H. Shimizu; N. Muramatsu; T. Ishikawa; M. Miyabe; Yusuke Tsuchikawa; Ryuji Yamazaki; Yuji Matsumura; Ken'ichiro Shiraishi; Takashi Nakano; M. Yosoi; T. Hotta; Yuuto Kasamatsu; Hirotomo Hamano; Nam Tran; Masayuki Niiyama; Keigo Mizutani; Toshikazu Hashimoto; Shinichi Masumoto; Takuya Shibukawa; Hiroaki Ohnishi; Wen-Chen Chang; Ming-Lee Chu; Chia-Yu Hsieh; Jia-Ye Chen

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