Could a particle accelerator using laser-driven implosion become a reality? | 5/24/2018 | Staff
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Laser pulse compression technology invented in the late 1980s resulted in high-power, short-pulse laser techniques, enhancing laser intensity 10 million-fold in a quarter of a century.

Scientists at Osaka University discovered a novel particle acceleration mechanism they describe as a micro-bubble implosion, in which super-high energy hydrogen ions (relativistic protons) are emitted at the moment when bubbles shrink to atomic size through the irradiation of hydrides with micron-sized spherical bubbles by ultraintense laser pulses. Their research results were published in Scientific Reports.

Group - Masakatsu - Murakami - Phenomenon - Matter

The group led by Masakatsu Murakami has reported an astonishing physical phenomenon: When shrinking matter to unprecedented density, comparable to a mass the size of a sugar cube weighing more than 100 kilograms, high-energy protons are emitted from the positively-charged nanoscale clusters, a world first. Usually, an acceleration distance of several tens to hundreds of meters is necessary for conventional accelerators to generate such huge energy.

In a micro-bubble...
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