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Michigan State Upgrade to Produce Intense Radioactive Ion Beams by Fragmentation Technique

MAY 01, 1997
Very unstable nuclei produced at new facilities may yield insights into nuclear structure and nuclear astrophysics concepts such as rapid proton capture in novas or rapid neutron capture in supernovas.

DOI: 10.1063/1.881612

The study of very unstable nuclei is exciting interest in many labs throughout the world. When the Nuclear Science Advisory Committee (NSAC) published its long‐range plan a year ago, it noted that, until recently, nuclear physicists had primarily studied nuclei near stability and those rich in protons, although these nuclei represent less than a tenth of the nuclear systems expected to exist. Tightly bound nuclei are at the bottom of the so‐called valley of stability (See the figure on this page). “By adding either protons or neutrons one moves outward towards the ridges of the valley of stability, finally reaching the drip lines where the binding of nucleons [in the nucleus] ends,” NSAC wrote. With beams of short‐lived radioactive nuclei becoming available, NSAC declared, “The scientific opportunities made available by world‐class radioactive beams are extremely compelling and merit very high priority.”

This Content Appeared In
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Volume 50, Number 5

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