Measurement of Quasi-Isentropic Compressibility of Gaseous Helium at a Pressure of ~10 TPa

M. A. Mochalov,R. I. Il’kaev,V. E. Fortov,A. L. Mikhailov,V. A. Arinin,A. O. Blikov,V. A. Ogorodnikov,A. V. Ryzhkov,V. A. Komrakov,I. P. Maksimkin

JETP Letters（2019）

引用 11|浏览39

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摘要

A nonideal helium plasma has been compressed to a density of ~9 g/cm 3 by a pressure of P ~ 10000 GPa produced by an explosive charge of 85 kg of TNT in a spherical two-cascade device. The experiment has been performed on an X ray setup using simultaneously three betatrons with a boundary energy of about 60 MeV and a multichannel optoelectronic system of recording X-ray images. The pressure of the compressed helium has been determined from the gas-dynamic calculation.

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