Study of (<I>d</I>, α) Reactions on <SUP>40</SUP>Ca and <SUP>40</SUP>Ar

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  • Suzuki Katsumichi
    Department of Physics and Laboratory of Nuclear Studies, Faculty of Science, Osaka University
  • Takahashi Noriaki
    Department of Physics and Laboratory of Nuclear Studies, Faculty of Science, Osaka University
  • Itahashi Takahisa
    Department of Physics and Laboratory of Nuclear Studies, Faculty of Science, Osaka University
  • Wakatsuki Tetsuo
    Department of Physics and Laboratory of Nuclear Studies, Faculty of Science, Osaka University

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  • Study of(d,α)reactions on 40Ca and 40Ar
  • Study of d , アルファ reactions on 40Ca and 40Ar

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The nuclear structures of 38K and 38Cl are investigated by 40Ca(d, α)38K and 40Ar(d, α)38Cl reactions with 11.4 MeV deuterons. The excitation functions for 40Ca(d, α)38K reaction have been obtained for the deuteron energy between 10.65 and 12.17 MeV. The angular distributions have been measured on the low excited states of 38K and 38Cl. The zero range DWBA analysis of the angular distributions on these excited states gives the spin, parity and isospin assignments as follows, the 2.63 MeV state (4, 3 or 2)−0, the 2.85 MeV state (4, 3 or 2)−0 and the 3.97 MeV state (3, 2 or 1)+0 for 38K. Four strongly excited states are found in 38Cl at 1.82, 1.99, 2.51 and 2.82 MeV and are considered to have positive parity from DWBA calculations. The spin and parity are considered tentatively to be (3)+ for the 1.99 MeV state in 38Cl.

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