期刊
PHYSICAL REVIEW LETTERS
卷 108, 期 13, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.108.133401
关键词
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资金
- U.S. Department of Energy National Nuclear Security Administration [DE-FC52-03NA00156]
- DOE Office of Basic Energy Sciences
- Welch Foundation [F-1626]
- German Research Foundation DFG [MO 719/6-1, BO 3/69/2-2]
Explosions of large Xe clusters (< Ni > similar to 11 000) irradiated by femtosecond pulses of 850 eV x-ray photons focused to an intensity of up to 1017 W/cm(2) from the Linac Coherent Light Source were investigated experimentally. Measurements of ion charge-state distributions and energy spectra exhibit strong evidence for the formation of a Xe nanoplasma in the intense x-ray pulse. This x-ray produced Xe nanoplasma is accompanied by a three-body recombination and hydrodynamic expansion. These experimental results appear to be consistent with a model in which a spherically exploding nanoplasma is formed inside the Xe cluster and where the plasma temperature is determined by photoionization heating.
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