섬유

deplacements isotopiques relatifs et moments quadrupolaires intrinseques des isotopes du plutonium. $left bracket$ relative isotopic shifts and intrinsic quadrupole moments of plutonium $right bracket$

  • 출판일1999.03
  • 저자
  • 서지사항
  • 등록일 2016.11.02
  • 조회수 229
extensive isotope shifts mearsurements in the 3910-9160 a region of the plutonium spectrum were made. this enables us to determine with precision the value of the relative isotope shift (r i. s. ) between the 244-242 and 242-240 couples of isotopes. the value found for the r. i. s. is 1. 03 $plus or minus$ 0. 02 based on the optical r. i. s. of the plutonium isotopes (from 238 to 244) the inherent quadrupole moments of the odd isotopes were determined, using the known values of the quadrupole moments of the even isotopes (deduced from coulomb excitation). they were found to be respectively equal (in barns) to: q//2//3//9 $equals$ 11. 3 $plus or minus$ 1. 0, q//2//4//1 $equals$ 11. 5 $plus or minus$ 0. 5, q//2//4//3 $equals$ 11. 6 $plus or minus$ 0. 5. (author abstract) 20 refs. in french
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