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Equation of state of water in the megabar range

Published online by Cambridge University Press:  30 July 2001

E. HENRY ,
D. BATANI ,
M. KOENIG ,
A. BENUZZI ,
I. MASCLET ,
B. MARCHET ,
M. REBEC ,
CH. REVERDIN ,
P. CELLIERS  and
L. DA SILVA
...Show all authors
E. HENRY
Affiliation:
Dipartimento di Fisica “G. Occhialini,” Università degli Studi di Milano–Bicocca and I.N.F.M., Via Emanueli 15, 20146 Milano, Italy L.U.L.I, C.N.R.S. École Polytechnique, 91128 Palaiseau, France
D. BATANI
Affiliation:
Dipartimento di Fisica “G. Occhialini,” Università degli Studi di Milano–Bicocca and I.N.F.M., Via Emanueli 15, 20146 Milano, Italy
M. KOENIG
Affiliation:
L.U.L.I, C.N.R.S. École Polytechnique, 91128 Palaiseau, France
A. BENUZZI
Affiliation:
L.U.L.I, C.N.R.S. École Polytechnique, 91128 Palaiseau, France
I. MASCLET
Affiliation:
C.E.A. Limeil, France
B. MARCHET
Affiliation:
C.E.A. Limeil, France
M. REBEC
Affiliation:
C.E.A. Limeil, France
CH. REVERDIN
Affiliation:
C.E.A. Limeil, France
P. CELLIERS
Affiliation:
Lawrence Livermore National Laboratory, Livermore, CA, U.S.A.
L. DA SILVA
Affiliation:
Lawrence Livermore National Laboratory, Livermore, CA, U.S.A.
R. CAUBLE
Affiliation:
Lawrence Livermore National Laboratory, Livermore, CA, U.S.A.
G. COLLINS
Affiliation:
Lawrence Livermore National Laboratory, Livermore, CA, U.S.A.
T. HALL
Affiliation:
University of Essex, Essex, U.K.
C. CAVAZZONI
Affiliation:
C.I.N.E.C.A., Bologna, Italy
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Abstract

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We present some preliminary results on the equation of state (EOS) of water in a pressure regime of astrophysical interest. In the experiments, structured targets made of an aluminum step followed by a water layer are irradiated by the laser at an intensity up to 4·1014 W·cm−2 to generate a shock wave. Velocities are measured in the two materials using a VISAR interferometric diagnostic for water, and a streak camera to measure target self-emission for Al. EOS points for water are obtained with the impedance mismatch method using Al EOS as a reference. Water reflectivity was also measured.

Type
Research Article
Information
Laser and Particle Beams , Volume 19 , Issue 1 , January 2001 , pp. 111 - 115
Copyright
© 2001 Cambridge University Press