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Particle therapy

Particle therapy

Jet of frozen hydrogen provides a renewable target for laser-accelerated protons

23 Aug 2023
Snapshots of the hydrogen jet
Snapshots of the hydrogen jet Shadowgraphs at the time of impact of the high-intensity laser pulse on the jet of hydrogen. A weaker light pulse sent in advance deliberately changed the hydrogen jet into three different initial states. (Courtesy: © HZDR)
Scientists generated the first petawatt laser pulse in the 1990s. In the decades that followed, lase

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Catherine Steffel is a science writer based in Madison, Wisconsin. Catherine was previously a PhD student contributor to Physics World
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