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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(More)
The mathematical methods that physical scientists need for solving substantial problems in their fields of study are set out clearly and simply in this tutorial-style textbook. Students will develop problem-solving skills through hundreds of worked examples, self-test questions and homework problems. Each chapter concludes with a summary of the main(More)
  • Kelly Crane, James Hmurovich, +40 authors Juliana Zoto
  • 2014
Prevent Child Abuse America, founded in 1972 in Chicago, works to ensure the healthy development of children nationwide. The organization promotes that vision through a network of chapters in 50 states and over 609 Healthy Families America home visitation sites in 40 states, A major organizational focus is to advocate for the existence of a national policy(More)
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