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HED-HIBEF group during the 2023 group retreat.

The High Energy Density (HED) scientific instrument, together with the HIBEF user consortium, is a new, unique platform for experiments combining hard X-ray FEL radiation and the capability to generate matter under extreme conditions of pressure, temperature or electric field using the FEL, high energy optical lasers, or pulsed magnets.

Scientific applications will be studies of matter occurring inside exoplanets, of new extreme-pressure phases and solid-density plasmas, and of structural phase transitions of complex solids in high magnetic fields. The first user experiment took place in May 2019. We have meanwhile commissioned several additional capabilities, such as focusing, spectrometers, monochromators, sample environments. The HIBEF user consortium has contributed a second target chamber, a diamond anvil cell platform, the RE.LA.X and DiPOLE laser systems, and a laser-shock platform.

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