Energetic Protons Emitted from Coulomb Explosion Dynamics of Large-Sized Hydrogen Clusters Driven by an Ultrashort Intense Laser Pulse
LI Hong-Yu, LIU Jian-Sheng, WANG Cheng, NI Guo-Quan, LI Ru-Xin, XU Zhi-Zhan
1 State Key Laboratory of High Field Laser Physics, Shanghai
2 Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800
Energetic Protons Emitted from Coulomb Explosion Dynamics of Large-Sized Hydrogen Clusters Driven by an Ultrashort Intense Laser Pulse
LI Hong-Yu;LIU Jian-Sheng;WANG Cheng;NI Guo-Quan;LI Ru-Xin;XU Zhi-Zhan
1 State Key Laboratory of High Field Laser Physics, Shanghai
2 Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800
关键词 ：
36.40.Wa ,
36.40.Qv ,
52.50.Jm ,
52.38.Kd
Abstract ： Protons with very high kinetic energy of about 10keV and the saturation effect of proton energy for laser intensity have been observed in the interaction of an ultrashort intense laser pulse with large-sized hydrogen clusters. Including the cluster-size distribution as well as the laser-intensity distribution on the focus spot, the theoretical calculations based on a simplified Coulomb explosion model have been compared with our experimental measurements, which are in good agreement with each other.
Key words ：
36.40.Wa
36.40.Qv
52.50.Jm
52.38.Kd
出版日期: 2006-11-01
:
36.40.Wa
(Charged clusters)
36.40.Qv
(Stability and fragmentation of clusters)
52.50.Jm
(Plasma production and heating by laser beams (laser-foil, laser-cluster, etc.))
52.38.Kd
(Laser-plasma acceleration of electrons and ions)
引用本文:
LI Hong-Yu;LIU Jian-Sheng;WANG Cheng;NI Guo-Quan;LI Ru-Xin;XU Zhi-Zhan. Energetic Protons Emitted from Coulomb Explosion Dynamics of Large-Sized Hydrogen Clusters Driven by an Ultrashort Intense Laser Pulse[J]. 中国物理快报, 2006, 23(11): 2956-2959.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y2006/V23/I11/2956
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2006, Vol. 23 
