Shock wave initiated by an ion passing through liquid water

We investigate the shock wave produced by an energetic ion in liquid water. This wave is initiated by a rapid energy loss when the ion moves through the Bragg peak. The energy is transferred from the ion to secondary electrons, which then transfer it to the water molecules. The pressure in the overh...

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Bibliographic Details
Published in:Physical review. E, Statistical, nonlinear, and soft matter physics Statistical, nonlinear, and soft matter physics, 2010-11, Vol.82 (5 Pt 1), p.051915-051915, Article 051915
Main Authors: Surdutovich, Eugene, Solov'yov, Andrey V
Format: Article
Language:English
Subjects:
BRAGG CURVE
CHARGED PARTICLES
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
DIAGRAMS
DNA Damage
DNA DAMAGES
ELECTRONS
ELEMENTARY PARTICLES
ENERGY LOSSES
FERMIONS
FLUIDS
Hydrodynamics
HYDROGEN COMPOUNDS
INFORMATION
IONS
Ions - metabolism
LEPTONS
Linear Energy Transfer
LIQUIDS
LOSSES
Models, Biological
Nanotechnology
OXYGEN COMPOUNDS
Pressure
PRESSURE GRADIENTS
SHOCK WAVES
TAIL IONS
Time Factors
WATER
Water - metabolism
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Summary:We investigate the shock wave produced by an energetic ion in liquid water. This wave is initiated by a rapid energy loss when the ion moves through the Bragg peak. The energy is transferred from the ion to secondary electrons, which then transfer it to the water molecules. The pressure in the overheated water increases by several orders of magnitude and drives a cylindrical shock wave on a nanometer scale. This wave eventually weakens as the front expands further; but before that, it may contribute to DNA damage due to large pressure gradients developed within a few nanometers from the ion's trajectory. This mechanism of DNA damage may be a very important contribution to the direct chemical effects of low-energy electrons and holes.
ISSN:1539-3755
1550-2376
DOI:10.1103/PhysRevE.82.051915