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Peter Armbruster, German creator of new elements

Peter Armbruster, German creator of new elements

H401/0122

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Credit

DAVID PARKER / SCIENCE PHOTO LIBRARY DAVID PARKER / SCIENCE PHOTO LIBRARY

Caption

Peter Armbruster. Portrait of Professor Peter Armbruster, German discoverer of new chemical elements. On the blackboard are particle physics equations used in the discovery of Element 112 on 9 February 1996. Armbruster headed the group at the Heavy Ion Research (GSI) centre at Darmstadt in Germany which synthesised elements 107 to 112, the six heaviest known, during 1981-96. They were made artificially by colliding atomic nuclei together at high speeds using the UNILAC particle accelerator; they also created unusual forms (isotopes) of familiar elements. These elements & isotopes allow studies of the forces that bind nuclei together. Photographed in 1997.

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