Explosions of Xenon Clusters in Ultraintense Femtosecond X-Ray Pulses from the LCLS Free Electron Laser
Author(s) -
H. Thomas,
A. Helal,
Katrin Hoffmann,
Nirmala Kandadai,
J. W. Keto,
Jakob Andreasson,
Bianca Iwan,
M. Seibert,
Nicuşor Tı̂mneanu,
János Hajdu,
M. Adolph,
Tais Gorkhover,
Daniela Rupp,
Sebastian Schorb,
T. Möller,
Gilles Doumy,
Louis F. DiMauro,
M. Hoener,
B. Murphy,
N. Berrah,
M. Messerschmidt,
John D. Bozek,
C. Bostedt,
T. Ditmire
Publication year - 2012
Publication title -
physical review letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.688
H-Index - 673
eISSN - 1079-7114
pISSN - 0031-9007
DOI - 10.1103/physrevlett.108.133401
Subject(s) - photoionization , femtosecond , xenon , atomic physics , physics , electron , laser , photon , plasma , ion , x ray , cluster (spacecraft) , irradiation , photon energy , ionization , materials science , optics , nuclear physics , programming language , quantum mechanics , computer science
Explosions of large Xe clusters ( ~ 11,000) irradiated by femtosecond pulses of 850 eV x-ray photons focused to an intensity of up to 10(17) 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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