A Passion for Precision: Colloquium Given by Theodor Hänsch

Synopsis: Colloquium given by Theodor Hänsch, who shared the 2005 Nobel Prize in Physics for his contributions to the development of laser-based precision spectroscopy. At the time of the interview Hänsch was also working with the ATRAP Collaboration at CERN, which is studying hydrogen and antihydrogen atoms. If it were possible to measure precisely up to 14 or 15 digits, then it might be possible to see whether matter and antimatter are the same or if they differ in some unexpected way. This could explain why there is more matter than antimatter in the universe. To explore these questions, researchers have to look where no-one has ever looked before, and for that reason, Hänsch has a passion for precision.

Keyword: Theodor Hänsch, Nobel laureate
Date: 6 April 2006

Reference: CERN-MOVIE-2006-01
Related links:
The Nobel Prize in Physics 2005
CERN Courier vol 46 no 5 : June 2005

70 minutes.
Language: English
Country: Switzerland
Year of release: 2006
Year of production: 2006
Subjects: Physics
Keywords: anti-matter; laser scanning; measurement; Nobel Prize winners; spectroscopy; Hänsch, Theodor

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