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Albert Ghiorso - Term Papers

Albert Ghiorso

One of the last remaining veterans of the Manhattan project, Albert Ghiorso, passed away on 24 December 2010, at the age of 95.

Ghiorso was an astonishingly productive scientist whose successes go back to an earlier day, when science was done differently. Ghiorso began working in nuclear science in 1941 after receiving his bachelor’s degree in electrical engineering from the University of California, Berkeley. His talents for building radiation detectors attracted him to Glenn Seaborg, and the two of them moved to Chicago in 1941. There, Ghiorso designed new instruments, including a 48-channel pulse-height analyser, which he and Seaborg used to discover two new artificial elements, ...

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of new elements.

To cope with the steadily decreasing cross-sections, a new machine was needed, with more intense beams. Better detection techniques were also needed, to cope with the smaller cross-sections and shorter isotope lifetimes. Ghiorso led the construction of the Berkeley Heavy Ion Linear Accelerator (HILAC) and a later upgrade, the super-HILAC. These machines were used to discover five elements, from 102 (einsteinium) to 106 (seaborgium). This made a total of 12 elements, a record that earned Ghiorso a place in the Guinness Book of World Records.

By the 1970s, decreasing US support for heavy-element research rendered the Super-HILAC uncompetitive for discovering new elements and Ghiorso turned to a new endeavour. He proposed coupling the ageing Super-HILAC with the also-ageing Bevatron, to produce the Bevalac, the first relativistic heavy-ion accelerator. It ushered in the field of relativistic ion collisions, laying the groundwork for experiments at Brookhaven’s ...

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PAPER DETAILS

Added: 5/5/2011 11:11:14 PM
Submitted By: dlowitsteelo
Category: Biographies
Type: Premium Paper
Words: 445
Pages: 2

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