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1.
Synthesis of a new element with atomic number Z = 117.
Oganessian, Yu Ts; Abdullin, F Sh; Bailey, P D; Benker, D E; Bennett, M E; Dmitriev, S N; Ezold, J G; Hamilton, J H; Henderson, R A; Itkis, M G; Lobanov, Yu V; Mezentsev, A N; Moody, K J; Nelson, S L; Polyakov, A N; Porter, C E; Ramayya, A V; Riley, F D; Roberto, J B; Ryabinin, M A; Rykaczewski, K P; Sagaidak, R N; Shaughnessy, D A; Shirokovsky, I V; Stoyer, M A; Subbotin, V G; Sudowe, R; Sukhov, A M; Tsyganov, Yu S; Utyonkov, V K; Voinov, A A; Vostokin, G K; Wilk, P A.
Phys Rev Lett ; 104(14): 142502, 2010 Apr 09.
Article in English | MEDLINE | ID: mdl-20481935

ABSTRACT

The discovery of a new chemical element with atomic number Z=117 is reported. The isotopes (293)117 and (294)117 were produced in fusion reactions between (48)Ca and (249)Bk. Decay chains involving 11 new nuclei were identified by means of the Dubna gas-filled recoil separator. The measured decay properties show a strong rise of stability for heavier isotopes with Z > or = 111, validating the concept of the long sought island of enhanced stability for superheavy nuclei.

2.
Mortality and water-hardness in three matched communities in Los Angeles.
Allwright, S P; Coulson, A; Detels, R; Porter, C E.
Lancet ; 2(7885): 860-4, 1974 Oct 12.
Article in English | MEDLINE | ID: mdl-4137851

Subject(s)
Calcium Carbonate/analysis , Cerebrovascular Disorders/mortality , Coronary Disease/mortality , Hypertension/mortality , Neoplasms/mortality , Water Supply , Age Factors , California , Cerebrovascular Disorders/etiology , Coronary Disease/etiology , Female , Humans , Hypertension/etiology , Infant , Infant Mortality , Infant, Newborn , Magnesium/analysis , Male , Neoplasms/etiology , Sex Factors , Socioeconomic Factors , United States , White People
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