Zobrazeno 1 - 10 of 1 921 pro vyhledávání: '"M Nakai"'
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Akademický článek
New insights into the laser produced electron–positron pairs
Autor: Hui Chen, M Nakai, Y Sentoku, Y Arikawa, H Azechi, S Fujioka, C Keane, S Kojima, W Goldstein, B R Maddox, N Miyanaga, T Morita, T Nagai, H Nishimura, T Ozaki, J Park, Y Sakawa, H Takabe, G Williams, Z Zhang
Publikováno v: New Journal of Physics, Vol 15, Iss 6, p 065010 (2013)
We report new results from the intense laser target interaction experiment that produces relativistic electron–positron pairs. Laser to electron energy transfer, inferred using x-ray and neutron measurements, was found to be consistent with the mea
Externí odkaz: https://doaj.org/article/5a6976f6186e4c92ad0c2dc805d2a4e0
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2
Akademický článek
Super-strong magnetic field-dominated ion beam dynamics in focusing plasma devices
Autor: A. Morace, Y. Abe, J. J. Honrubia, N. Iwata, Y. Arikawa, Y. Nakata, T. Johzaki, A. Yogo, Y. Sentoku, K. Mima, T. Ma, D. Mariscal, H. Sakagami, T. Norimatsu, K. Tsubakimoto, J. Kawanaka, S. Tokita, N. Miyanaga, H. Shiraga, Y. Sakawa, M. Nakai, H. Azechi, S. Fujioka, R. Kodama
Publikováno v: Scientific Reports, Vol 12, Iss 1, Pp 1-12 (2022)
Abstract High energy density physics is the field of physics dedicated to the study of matter and plasmas in extreme conditions of temperature, densities and pressures. It encompasses multiple disciplines such as material science, planetary science,
Externí odkaz: https://doaj.org/article/b06588e272214e7db8de834d27df1ae6
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3
Akademický článek
Enhancing laser beam performance by interfering intense laser beamlets
Autor: A. Morace, N. Iwata, Y. Sentoku, K. Mima, Y. Arikawa, A. Yogo, A. Andreev, S. Tosaki, X. Vaisseau, Y. Abe, S. Kojima, S. Sakata, M. Hata, S. Lee, K. Matsuo, N. Kamitsukasa, T. Norimatsu, J. Kawanaka, S. Tokita, N. Miyanaga, H. Shiraga, Y. Sakawa, M. Nakai, H. Nishimura, H. Azechi, S. Fujioka, R. Kodama
Publikováno v: Nature Communications, Vol 10, Iss 1, Pp 1-9 (2019)
Enhanced coupling of laser energy to the target particles is a fundamental issue in laser-plasma interactions. Here the authors demonstrate increased photon absorption leading into higher laser to electron and proton energy transfer through the inter
Externí odkaz: https://doaj.org/article/f6b3b1936b414dfbba241270c3506db9
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4
Akademický článek
Author Correction: Proof-of-principle experiment for laser-driven cold neutron source
Autor: S. R. Mirfayzi, A. Yogo, Z. Lan, T. Ishimoto, A. Iwamoto, M. Nagata, M. Nakai, Y. Arikawa, Y. Abe, D. Golovin, Y. Honoki, T. Mori, K. Okamoto, S. Shokita, D. Neely, S. Fujioka, K. Mima, H. Nishimura, S. Kar, R. Kodama
Publikováno v: Scientific Reports, Vol 11, Iss 1, Pp 1-2 (2021)
An amendment to this paper has been published and can be accessed via a link at the top of the paper.
Externí odkaz: https://doaj.org/article/19b8bd73aed443fbb450543ebfbdf59a
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5
Akademický článek
Future of IR: Emerging Techniques, Looking to the Future…and Learning from the Past
Autor: Marco Midulla, Lorenzo Pescatori, Olivier Chevallier, M. Nakai, A. Ikoma, Sophie Gehin, Pierre-Emmanuel Berthod, Romaric Ne, Romaric Loffroy, Michael Dake
Publikováno v: Journal of the Belgian Society of Radiology, Vol 103, Iss 1 (2019)
Innovation has been the cornerstone of interventional radiology since the early years of the founders, with a multitude of new therapeutic approaches developed over the last 50 years. What is the future holding for us? This article presents an overvi
Externí odkaz: https://doaj.org/article/8aa5203e478149a48653ad364d399193
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6
Laser-Driven Neutron Generation Realizing Single-Shot Resonance Spectroscopy
Autor: A. Yogo, Z. Lan, Y. Arikawa, Y. Abe, S. R. Mirfayzi, T. Wei, T. Mori, D. Golovin, T. Hayakawa, N. Iwata, S. Fujioka, M. Nakai, Y. Sentoku, K. Mima, M. Murakami, M. Koizumi, F. Ito, J. Lee, T. Takahashi, K. Hironaka, S. Kar, H. Nishimura, R. Kodama
Publikováno v: Yogo, A, Lan, Z, Arikawa, Y, Abe, Y, Mirfayzi, S R, Wei, T, Mori, T, Golovin, D, Hayakawa, T, Iwata, N, Fujioka, S, Nakai, M, Sentoku, Y, Mima, K, Murakami, M, Koizumi, M, Ito, F, Lee, J, Takahashi, T, Hironaka, K, Kar, S, Nishimura, H & Kodama, R 2023, ' Laser-driven neutron generation realizing single-shot resonance spectroscopy ', Physical Review X, vol. 13, no. 1, 011011 . https://doi.org/10.1103/PhysRevX.13.011011, https://doi.org/10.1103/PhysRevX.13.011011
Neutrons are powerful tools for investigating the structure and properties of materials used in science and technology. Recently, laser-driven neutron sources (LDNS) have attracted the attention of different communities, from science to industry, in
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3581a4a3067a3acbed7471045f7e171d
https://doi.org/10.1103/physrevx.13.011011
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8
Usefulness of echocardiographic parameters in predicting the incidence of ischemic stroke in Japanese patients with non-valvular atrial fibrillation
Autor: Y Tezuka, M Akao, S Suzuki, T Yamashita, E Kodani, T Tsuda, K Hayashi, H Furusho, M Sawano, K Fukuda, M Nakai, Y Sasahara, Y Miyamoto, H Tomita, K Okumura
Publikováno v: European Heart Journal. 43
Background Atrial fibrillation (AF) is a risk factor for ischemic stroke (IS). We developed a novel risk score of IS (HELT-E2S2 score) in non-valvular atrial fibrillation (NVAF) patients from the combined database of 5 major AF registries in Japan. H
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3272e81c755a42391f8d0780463d0264
https://doi.org/10.1093/eurheartj/ehac544.548
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9
Predictive capability of material screening by fast neutron activation analysis using laser-driven neutron sources
Autor: Y. Abe, A. Nakao, Y. Arikawa, A. Morace, T. Mori, Z. Lan, T. Wei, S. Asano, T. Minami, Y. Kuramitsu, H. Habara, H. Shiraga, S. Fujioka, M. Nakai, A. Yogo
Publikováno v: The Review of scientific instruments. 93(9)
Bright, short-pulsed neutron beams from laser-driven neutron sources (LANSs) provide a new perspective on material screening via fast neutron activation analysis (FNAA). FNAA is a nondestructive technique for determining material elemental compositio
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::da02511ae57cb4b0c416e9a6f773dc05
https://pubmed.ncbi.nlm.nih.gov/36182514
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10
Mortality and 30-day readmission rate following leadless pacemaker implantation: insights from the Nationwide Readmissions Database
Autor: R Tonegawa-Kuji, K Kanaoka, M Mori, M Nakai, Y Iwanaga
Publikováno v: European Heart Journal. 43
Background Clinical trials and registry data showed encouraging outcomes for leadless pacemaker (LP) implantation. However, reports of patient characteristics, trends, and clinical outcomes in a real-world population are limited. Purpose To provide r
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cc0d47a19c87ac86a2a0864deb760d76
https://doi.org/10.1093/eurheartj/ehac544.480
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