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NATURE|Vol 445|4 January 2007 RESEARCH HIGHLIGHTS number of protons and neutrons, which are
 

Summary: NATURE|Vol 445|4 January 2007 RESEARCH HIGHLIGHTS
number of protons and neutrons, which are
organized into shells like those of electrons
in atoms. A filled shell confers relative
stability, and hassium-270 is doubly magic
because it has filled shells of both protons
and neutrons.
The team detected four atoms of hassium-
270, created by bombarding a curium target
with magnesium ions. They estimate its half-
life to be 22 seconds, which is remarkably
long for such a superheavy atom.
OPTICS
Two goes into one
Phys. Rev. Lett.97, 243003 (2006)
An optical trap uses a highly focused laser
beam to confine atoms to a cell known as a
potential well. Yevhen Miroshnychenko and
his colleagues from the University of Bonn,
Germany, have now contrived to squeeze two

  

Source: Ajayan, Pulickel M. - Department of Mechanical Engineering and Materials Science, Rice University

 

Collections: Materials Science