Journal article Open Access

Observation of Superheavy Nuclei Produced in the Reaction of K 86 r with P 208 b

Ninov, V.; Gregorich, K. E.; Loveland, W.; Ghiorso, A.; Hoffman, D. C.; Lee, D. M.; Nitsche, H.; Swiatecki, W. J.; Kirbach, U. W.; Laue, C. A.; Adams, J. L.; Patin, J. B.; Shaughnessy, D. A.; Strellis, D. A.; Wilk, P. A.


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{
  "DOI": "10.1103/physrevlett.83.1104", 
  "author": [
    {
      "family": "Ninov, V."
    }, 
    {
      "family": "Gregorich, K. E."
    }, 
    {
      "family": "Loveland, W."
    }, 
    {
      "family": "Ghiorso, A."
    }, 
    {
      "family": "Hoffman, D. C."
    }, 
    {
      "family": "Lee, D. M."
    }, 
    {
      "family": "Nitsche, H."
    }, 
    {
      "family": "Swiatecki, W. J."
    }, 
    {
      "family": "Kirbach, U. W."
    }, 
    {
      "family": "Laue, C. A."
    }, 
    {
      "family": "Adams, J. L."
    }, 
    {
      "family": "Patin, J. B."
    }, 
    {
      "family": "Shaughnessy, D. A."
    }, 
    {
      "family": "Strellis, D. A."
    }, 
    {
      "family": "Wilk, P. A."
    }
  ], 
  "issued": {
    "date-parts": [
      [
        1999, 
        8, 
        9
      ]
    ]
  }, 
  "abstract": "Following a prediction by Smola\u0144czuk [Phys. Rev. C 59, 2634 (1999)], we searched for superheavy element formation in the bombardment of 208Pb with 449-MeV 86Kr ions. We have observed three decay chains, each consisting of an implanted heavy atom and six subsequent \u03b1 decays, correlated in time and position. In these decay chains, a rapid (ms) sequence of high energy \u03b1 particles ( E\u03b1\u226510MeV) indicates the decay of a new high- Z element. The observed chains are consistent with the formation of 129318 and its decay by sequential \u03b1-particle emission to 128916, 128514, 128112, 127710, 273Hs ( Z=108) and 269Sg ( Z=106). The production cross section is 2.2\u22120.8+2.6pb.", 
  "title": "Observation of Superheavy Nuclei Produced in the Reaction of K 86 r with P 208 b", 
  "type": "article-journal", 
  "id": "1233919"
}
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