The construction of Gammasphere, an important new photon detector for nuclear physics, began last month at the Lawrence Berkeley Laboratory. The principal purpose of this $20 million spherical array of germanium and bismuth germanate crystals will be to measure simultaneously the energies of as many as half a dozen gammas from the step‐by‐step deexcitation of a single excited nucleus.
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© 1991 American Institute of Physics.
1991
American Institute of Physics
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