Nobel laureate and former TU Wien researcher
Appears in 1 story
Not involved in the new experiment; his earlier work established the method
For decades, the rule for laser-driven X-ray emission was one electron, one cutoff. A freed electron could gain only so much energy from a laser field before it returned to its atom, and the light it released faded above a predictable maximum. A team at TU Wien and the University of California San Diego has now exceeded that limit in helium by timing two electrons to return together.
Updated 49 minutes ago
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