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Quarks Influenced by Their Neighborhood
November 20, 2009
The quark structure inside protons and neutrons changes based on the local nuclear environment, according to electron accelerator experiments.
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Hendrick L. Bethlem
Hendrick Bethlem graduated from the Vrije Universiteit in Amsterdam in 1997, and completed his Ph.D. at the Radboud University in Nijmegen in 2002. Following post-doctoral research at Imperial College London he became a group leader at the Fritz-Haber-Institut der Max-Planck-Gesellschaft in Berlin. In 2005 he returned to the Vrije University. His research interests include the manipulation of molecules by electric fields and the use of cold molecules for precision tests. His work is funded by the Netherlands Organisation for Scientific Research (NWO) via a VIDI-grant and by the European Research Council via a Starting Grant.
Getting a handle on difficult atoms
Paramagnetic atoms and molecules experience a force in a magnetic field and scientists have now used this force to decelerate and trap hydrogen atoms. This method promises new opportunities for precision measurements on hydrogen isotopes and may be applied to a host of atoms and molecules for which existing cooling techniques fail. Read More »