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Superheavy Synthesis

  1. Feb 2, 2004 #1
    In the experiments, researchers fired a rare isotope of calcium at a target made from americium. The new element 115 was created on occasions when the nuclei of the calcium and americium fused.

    In the artificial environs of the cyclotron, atoms of element 115, now labeled Ununpentium, apparently lasted only a fraction of second before it decayed into element 113. The atoms of element 113, known as Ununtrium, persisted for more than 1 second.

    In 1999, Russian researchers at Dubna discovered another superheavy -- element 114 -- by bombarding plutonium with calcium ions.

    In nature, scientists theorize, they would belong to a special class of superheavy elements known as the "region of stability" that have a much longer life because the shell-like structure of their nuclei contain the highest numbers of precisely arranged protons and neutrons.

    http://www.harktheherald.com/modules.php?op=modload&name=News&file=article&sid=13214 [Broken]
    Last edited by a moderator: May 1, 2017
  2. jcsd
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