Zobrazeno 1 - 10
of 77
pro vyhledávání: '"Y. X. Geng"'
Autor:
D. Wu, H. Y. Lan, J. Y. Zhang, J. X. Liu, H. G. Lu, J. F. Lv, X. Z. Wu, H. Zhang, J. Cai, X. L. Xu, Y. X. Geng, W. J. Ma, C. Lin, Y. Y. Zhao, H. R. Wang, F. L. Liu, C. Y. He, J. Q. Yu, B. Guo, N. Y. Wang, X. Q. Yan
Publikováno v:
Frontiers in Physics, Vol 11 (2023)
The flux-weighted average cross sections and isomeric ratios of 92Mo(γ, n)91m,gMo and 92Mo(γ, 3n)89Mo reactions were measured through activation methods. Laser-driven bremsstrahlung γ-ray were generated by the laser wakefield accelerated quasi-mon
Externí odkaz:
https://doaj.org/article/8f236bfcb6df436abee8b7d3a4cc314c
Autor:
D. Y. Li, X. H. Xu, T. Yang, M. J. Wu, Y. F. Zhang, H. Cheng, X. Y. Hu, Y. X. Geng, J. G. Zhu, Y. Y. Zhao, K. Zhu, W. J. Ma, C. Lin, X. Q. Yan
Publikováno v:
AIP Advances, Vol 11, Iss 8, Pp 085316-085316-10 (2021)
Contact imaging based on MeV energy laser accelerated protons is studied in this paper. First, we show that both external structures and the internal organs of ants can be distinguished with micrometer spatial resolution by proton radiography. Then,
Externí odkaz:
https://doaj.org/article/96343f473d48432f88afcdb2bb08f59f
Autor:
Y. X. Geng, D. Wu, W. Yu, Z. M. Sheng, S. Fritzsche, Q. Liao, M. J. Wu, X. H. Xu, D. Y. Li, W. J. Ma, H. Y. Lu, Y. Y. Zhao, X. T. He, J. E. Chen, C. Lin, X. Q. Yan
Publikováno v:
Matter and Radiation at Extremes, Vol 5, Iss 6, Pp 064402-064402-6 (2020)
We report systematic studies of laser-driven proton beams produced with micrometer-thick solid targets made of aluminum and plastic, respectively. Distinct effects of the target materials are found on the total charge, cutoff energy, and beam spot of
Externí odkaz:
https://doaj.org/article/9426e76c71c94cd7a568bda9aacf567f
Autor:
J. G. Zhu, M. J. Wu, K. Zhu, Y. X. Geng, Q. Liao, D. Y. Li, T. Yang, M. J. Easton, C. C. Li, X. H. Xu, Y. R. Shou, J. Q. Yu, Z. Gong, Y. Y. Zhao, P. J. Wang, D. H. Wang, L. Tao, C. E. Chen, W. J. Ma, H. Y. Lu, T. Tajima, G. Mourou, C. Lin, X. Q. Yan
Publikováno v:
Physical Review Accelerators and Beams, Vol 23, Iss 12, p 121304 (2020)
In order to implement radiotherapy based on a laser accelerator, it is necessary to precisely control the spatial distribution and energy spectrum of the proton beams to meet the requirements of the radiation dose distribution in the three-dimensiona
Externí odkaz:
https://doaj.org/article/d750c13f78e7431fb32061dbdcc0687f
Autor:
M. J. Wu, D. Y. Li, J. G. Zhu, T. Yang, X. Y. Hu, Y. X. Geng, K. Zhu, M. J. Easton, Y. Y. Zhao, A. L. Zhang, H. Y. Lu, W. J. Ma, C. Lin, X. Q. Yan
Publikováno v:
Physical Review Accelerators and Beams, Vol 23, Iss 3, p 031302 (2020)
Particle emittance quantifies the ability to focus and transport a beam, and is one of the most important parameters for a beamline. The emittance of a proton beam produced by ultraintense laser irradiation of a micron-thick flat solid target has bee
Externí odkaz:
https://doaj.org/article/2ce82381f36d4e15b02e748d00819013
Autor:
J. G. Zhu, M. J. Wu, Q. Liao, Y. X. Geng, K. Zhu, C. C. Li, X. H. Xu, D. Y. Li, Y. R. Shou, T. Yang, P. J. Wang, D. H. Wang, J. J. Wang, C. E. Chen, X. T. He, Y. Y. Zhao, W. J. Ma, H. Y. Lu, T. Tajima, C. Lin, X. Q. Yan
Publikováno v:
Physical Review Accelerators and Beams, Vol 22, Iss 6, p 061302 (2019)
A compact laser plasma accelerator (CLAPA) that can stably produce and transport proton ions with different energies less than 10 MeV,
Externí odkaz:
https://doaj.org/article/bb9fe80076674b1a858cc3a3db290f9e
Akademický článek
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Akademický článek
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Autor:
Y. Z. Li, M. J. Wu, D. Y. Li, T. Yang, H. Cheng, Y. D. Xia, Y. Yan, Y. X. Geng, Y. Y. Zhao, C. Lin, X. Q. Yan
Publikováno v:
Physics of Plasmas. 30:043106
Previous studies have shown that adding a section of critical density plasma on the front surface of solid target can effectively improve the laser energy absorption efficiency. Here, we have investigated laser–plasma interactions with different sc