{"id":33574,"date":"2020-10-18T09:54:19","date_gmt":"2020-10-18T06:54:19","guid":{"rendered":"http:\/\/ihcoedu.uobaghdad.edu.iq\/?p=33574"},"modified":"2020-10-25T12:46:06","modified_gmt":"2020-10-25T09:46:06","slug":"%d9%82%d8%b3%d9%85-%d8%a7%d9%84%d9%81%d9%8a%d8%b2%d9%8a%d8%a7%d8%a1-%d9%8a%d9%86%d8%a7%d9%82%d8%b4-%d8%a7%d8%b7%d8%b1%d9%88%d8%ad%d8%a9-%d8%af%d9%83%d8%aa%d9%88%d8%b1%d8%a7%d9%87-%d8%aa%d8%af","status":"publish","type":"post","link":"https:\/\/ihcoedu.uobaghdad.edu.iq\/?p=33574","title":{"rendered":"\u0642\u0633\u0645 \u0627\u0644\u0641\u064a\u0632\u064a\u0627\u0621 \u064a\u0646\u0627\u0642\u0634 \u0627\u0637\u0631\u0648\u062d\u0629 \u062f\u0643\u062a\u0648\u0631\u0627\u0647\u00a0 \u062a\u062f\u0631\u0633 \u0627\u0644\u062a\u0631\u0643\u064a\u0628 \u0627\u0644\u0646\u0648\u0648\u064a \u0648\u0646\u0642\u0627\u0637 \u0627\u0644\u0642\u0648\u0629 \u0641\u064a \u062c\u0627\u0645\u0648 – \u062a\u064a\u0644\u0631 \u0644\u0628\u0639\u0636 \u0627\u0644\u0646\u0648\u0649 \u0641\u064a \u0627\u0644\u0642\u0634\u0631 sd \u0648 fp"},"content":{"rendered":"

\"\"<\/span><\/h4>\n

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    \n
  1. \n

    \u0623.\u062f. \u0631\u0639\u062f \u062d\u0645\u064a\u062f \u0645\u062c\u064a\u062f (\u0631\u0626\u064a\u0633\u0627).<\/span><\/h4>\n<\/li>\n
  2. \n

    \u0623.\u062f.\u0645\u062d\u0645\u0648\u062f \u0633\u0627\u0644\u0645 \u0643\u0631\u064a\u0645 (\u0639\u0636\u0648\u0627).<\/span><\/h4>\n<\/li>\n
  3. \n

    \u0623.\u062f.\u0641\u0624\u0627\u062f \u0639\u0637\u064a\u0629 \u0645\u062c\u064a\u062f ( \u0639\u0636\u0648\u0627).<\/span><\/h4>\n<\/li>\n
  4. \n

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  5. \n

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  6. \n

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    \"\"<\/p>\n

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    <\/h4>\n

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    \u0623\u062c\u0631\u064a\u062a \u062d\u0633\u0627\u0628\u0627\u062a \u0623\u0646\u0645\u0648\u0630\u062c \u0627\u0644\u0642\u0634\u0631\u0629 \u0628\u0623\u0633\u062a\u0639\u0645\u0627\u0644 \u0627\u0644\u0623\u0635\u062f\u0627\u0631 \u0627\u0644\u0623\u062e\u064a\u0631 \u0644\u0628\u0631\u0646\u0627\u0645\u062c \u0623\u0646\u0645\u0648\u0630\u062c \u0627\u0644\u0642\u0634\u0631\u0629 \u0627\u0644\u0646\u0648\u0648\u064a NushellX@MSU \u0639\u0646 \u0637\u0631\u064a\u0642 \u062a\u0648\u0638\u064a\u0641 \u0627\u0644\u062a\u0641\u0627\u0639\u0644\u0627\u062a \u0627\u0644\u0645\u0624\u062b\u0631\u0629 USDA \u0648 USDB \u0644\u0644\u0642\u0634\u0631\u0629 sd \u0648 GXFP1A \u0648 KB3G \u0648 FPD6 \u0644\u0644\u0642\u0634\u0631\u0629 fp .<\/span><\/h4>\n

    \u0642\u0648\u0631\u0646\u062a \u062d\u0633\u0627\u0628\u0627\u062a \u0645\u0633\u062a\u0648\u064a\u0627\u062a \u0627\u0644\u0637\u0627\u0642\u0629 \u0627\u0644\u0645\u0646\u062e\u0641\u0636\u0629 \u0648\u0623\u062d\u062a\u0645\u0627\u0644\u064a\u0627\u062a \u0627\u0644\u0623\u0646\u062a\u0642\u0627\u0644 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629\u00a0 B(E2)\u00a0 \u0648\u0627\u0644\u0645\u063a\u0646\u0627\u0637\u064a\u0633\u064a\u0629 B(M1) \u0627\u0644\u0645\u062e\u062a\u0632\u0644\u0629 \u0648\u0646\u0642\u0627\u0637 \u0642\u0648\u0629 \u0643\u0627\u0645\u0648-\u062a\u064a\u0644\u0631 B(GT) \u0645\u0639 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u062a\u062c\u0631\u064a\u0628\u064a\u0629 \u0627\u0644\u0645\u0642\u0627\u0628\u0644\u0629 \u0644\u0647\u0627. \u0623\u064f\u0646\u062a\u062c\u062a \u0645\u0633\u062a\u0648\u064a\u0627\u062a \u0627\u0644\u0637\u0627\u0642\u0629 \u0627\u0644\u0645\u0646\u062e\u0641\u0636\u0629 \u0628\u0634\u0643\u0644 \u0645\u0642\u0628\u0648\u0644 \u0644\u0644\u0646\u0648\u064a\u0627\u062a \u0627\u0644\u0645\u062f\u0631\u0648\u0633\u0629 \u0641\u064a \u0643\u0644\u0627 \u0627\u0644\u0645\u0646\u0637\u0642\u062a\u064a\u0646. \u062a\u0645 \u062a\u0623\u0643\u064a\u062f \u0632\u062e\u0645 \u0648\u062a\u0645\u0627\u062b\u0644 \u0645\u0633\u062a\u0648\u064a\u0627\u062a \u0627\u0644\u0637\u0627\u0642\u0629 \u0627\u0644\u063a\u064a\u0631 \u0645\u0624\u0643\u062f\u0629 \u0639\u0645\u0644\u064a\u0627 \u0644\u0628\u0639\u0636 \u0627\u0644\u0646\u0648\u064a\u0627\u062a \u0627\u0644\u062a\u064a \u062a\u0645\u062a \u062f\u0631\u0627\u0633\u062a\u0647\u0627.<\/span><\/h4>\n

    \u0623\u0646 \u0627\u0644\u0645\u0642\u0627\u0631\u0646\u0629 \u0628\u064a\u0646 \u0627\u0644\u062d\u0633\u0627\u0628\u0627\u062a \u0627\u0644\u0646\u0638\u0631\u064a\u0629 \u0644\u0623\u062d\u062a\u0645\u0627\u0644\u064a\u0627\u062a \u0627\u0644\u0623\u0646\u062a\u0642\u0627\u0644 \u0627\u0644\u0643\u0647\u0631\u0628\u0627\u0626\u064a\u0629\u00a0 B(E2)\u00a0 \u0648\u0627\u0644\u0645\u063a\u0646\u0627\u0637\u064a\u0633\u064a\u0629 B(M1) \u0627\u0644\u0645\u062e\u062a\u0632\u0644\u0629 \u0645\u0639 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u062a\u062c\u0631\u064a\u0628\u064a\u0629 \u0623\u0638\u0647\u0631\u062a \u0628\u0634\u0643\u0644 \u0648\u0627\u0636\u062d \u0623\u0646 \u062a\u0646\u0628\u0624\u0627\u062a \u0623\u0646\u0645\u0648\u0630\u062c \u0627\u0644\u0642\u0634\u0631\u0629 \u0644\u0644\u0623\u0646\u062a\u0642\u0627\u0644\u0627\u062a \u0628\u0646\u0641\u0633 \u0627\u0644\u062d\u0632\u0645\u0629 \u0645\u062a\u0648\u0627\u0641\u0642\u0629 \u0645\u0639 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u062a\u062c\u0631\u064a\u0628\u064a\u0629 \u0641\u064a \u0627\u0644\u0642\u0634\u0631\u0629 sd \u0648\u0644\u0644\u0623\u0646\u062a\u0642\u0627\u0644\u0627\u062a \u0628\u064a\u0646 \u062d\u0632\u0645 \u0645\u062e\u062a\u0644\u0641\u0629 \u0641\u0623\u0646 \u062a\u0646\u0628\u0624\u0627\u062a \u0623\u0646\u0645\u0648\u0630\u062c \u0627\u0644\u0642\u0634\u0631\u0629 \u0644\u0640\u0640\u0640\u0640\u0640\u0640\u00a0\u00a0 B(E2) \u0648 B(M1) \u0643\u0627\u0646\u062a \u0628\u062a\u0641\u0627\u0648\u062a \u0643\u0628\u064a\u0631 \u0645\u0639 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u062a\u062c\u0631\u064a\u0628\u064a\u0629\u060c\u0623\u0645\u0627 \u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0644\u0642\u0634\u0631\u0629 fp \u0641\u0623\u0646 \u062a\u0646\u0628\u0624\u0627\u062a \u0623\u0646\u0645\u0648\u0630\u062c \u0627\u0644\u0642\u0634\u0631\u0629 \u0641\u064a\u0647\u0627 \u062a\u0628\u0627\u064a\u0646 \u0643\u0628\u064a\u0631 \u0645\u0642\u0627\u0631\u0646\u0629 \u0645\u0639 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u062a\u062c\u0631\u064a\u0628\u064a\u0629.<\/span><\/h4>\n

    \u0643\u0627\u0646\u062a \u062d\u0633\u0627\u0628\u0627\u062a \u0646\u0642\u0627\u0637 \u0642\u0648\u0629 \u0643\u0627\u0645\u0648-\u062a\u064a\u0644\u0631 B(GT)\u00a0 \u0644\u0644\u0646\u0638\u0627\u0626\u0631 \u0627\u0644\u0645\u062e\u062a\u0627\u0631\u0629 \u0648\u0627\u0644\u062a\u064a \u062a\u0642\u0639 \u0641\u064a \u0645\u0646\u0627\u0637\u0642 \u0627\u0644\u0642\u0634\u0631\u062a\u064a\u0646 sd \u0648 fp \u0645\u062a\u0648\u0627\u0641\u0642\u0629 \u0628\u0634\u0643\u0644 \u0643\u0628\u064a\u0631 \u0645\u0639 \u0627\u0644\u062a\u0641\u0627\u0639\u0644\u0627\u062a\u00a0\u00a0 (3<\/sup>He,t) \u0648 *(3<\/sup>He,t) \u0648\u00a0 (t, 3<\/sup>He) \u0648 (t, 3<\/sup>He+g) \u0648 (d, 2<\/sup>He)\u00a0 \u0648 (e–<\/sup>, ne<\/sub>) \u0648 ( p,n) \u0627\u0644\u0645\u0642\u0627\u0633\u0629 \u0639\u0645\u0644\u064a\u0627 .\u00a0 \u0627\u0644\u0646\u062a\u0627\u0626\u062c \u062c\u064a\u062f\u0629 \u0646\u0633\u0628\u064a\u064b\u0627 \u0644\u062a\u0648\u0632\u064a\u0639\u0627\u062a GT \u0627\u0644\u062a\u062c\u0631\u064a\u0628\u064a\u0629 \u0648\u0644\u0644\u0642\u0648\u0649 \u0627\u0644\u0627\u0646\u062a\u0642\u0627\u0644\u064a\u0629 \u0627\u0644\u0645\u062c\u0645\u0639\u0629 B (GT). \u0644\u0642\u062f \u062a\u0648\u0635\u0644\u0646\u0627 \u0625\u0644\u0649 \u0627\u062a\u0641\u0627\u0642 \u0646\u0648\u0639\u064a \u062d\u0648\u0644 \u0643\u0644 \u0639\u0645\u0644\u064a\u0629 \u0627\u0646\u062a\u0642\u0627\u0644 \u0628\u064a\u0646\u0645\u0627 \u062a\u0631\u062a\u0628\u0637 \u0646\u0642\u0627\u0637 \u0627\u0644\u0642\u0648\u0629 \u0627\u0644\u062a\u0631\u0627\u0643\u0645\u064a\u0629 \u0627\u0644\u0645\u0642\u0627\u0633\u0629 \u0628\u0634\u0643\u0644 \u0648\u062b\u064a\u0642 \u0645\u0639 \u062a\u0644\u0643 \u0627\u0644\u062a\u064a \u0644\u0648\u062d\u0638\u062a.<\/span><\/h4>\n

    <\/h4>\n

    \u0628\u0639\u062f \u0627\u062c\u0631\u0627\u0621 \u0627\u0644\u062f\u0631\u0627\u0633\u0629 \u062a\u0648\u0635\u0644\u0646\u0627 \u0627\u0644\u0649 \u0627\u0644\u062a\u0648\u0635\u064a\u0627\u062a \u0627\u0644\u062a\u0627\u0644\u064a\u0629 :<\/span><\/h4>\n
      \n
    1. \n

      \u064a\u0645\u0643\u0646 \u062a\u0648\u0633\u0639\u0629 \u0647\u0630\u0627 \u0627\u0644\u0639\u0645\u0644 \u0644\u062f\u0631\u0627\u0633\u0629 \u0646\u0638\u0627\u0626\u0631 \u0627\u062e\u0631\u0649 \u0641\u064a \u0627\u0644\u0645\u0646\u0637\u0642\u062a\u064a\u0646 sd \u0648 fp \u0644\u062a\u0642\u064a\u064a\u0645 \u0646\u062c\u0627\u062d \u0623\u0648 \u0642\u0635\u0648\u0631 \u0641\u064a \u062d\u0633\u0627\u0628\u0627\u062a \u0623\u0646\u0645\u0648\u0630\u062c \u0627\u0644\u0642\u0634\u0631\u0629 \u0627\u0644\u062d\u0627\u0644\u064a\u0629.<\/span><\/h4>\n<\/li>\n
    2. \n

      \u0623\u0633\u062a\u0639\u0645\u0627\u0644 \u062c\u0647\u0648\u062f \u0645\u062e\u062a\u0644\u0641\u0629 \u0644\u0627\u062c\u0631\u0627\u0621 \u062d\u0633\u0627\u0628\u0627\u062a B(E2) \u0648 B(M1) \u0628\u062f\u0644\u0627 \u0645\u0646 \u062c\u0647\u062f \u0627\u0644\u0645\u0630\u0628\u0630\u0628 \u0627\u0644\u062a\u0648\u0627\u0641\u064a (HO) \u0627\u0644\u0645\u0633\u062a\u062e\u062f\u0645 \u062d\u0627\u0644\u064a\u0627\u060c \u0645\u062b \u0648\u0648\u062f-\u0633\u0627\u0643\u0633\u0648\u0646 \u0648 \u0633\u0643\u064a\u0631\u0645 ..\u0623\u0644\u062e.<\/span><\/h4>\n<\/li>\n
    3. \n

      \u062f\u0631\u0627\u0633\u0629 \u0627\u0644\u062a\u0631\u0643\u064a\u0628 \u0627\u0644\u0646\u0648\u0648\u064a \u0644\u0644\u0646\u0648\u0649 \u0623\u0628\u0639\u062f \u0645\u0646 \u0627\u0644\u0642\u0634\u0631\u0629 fp \u0645\u062b\u0644 \u0627\u0644\u0645\u0646\u0627\u0637\u0642 100<\/sup>Sn \u0648 132<\/sup>Sn \u0648 208<\/sup>Pb .<\/span><\/h4>\n
      \n<\/li>\n<\/ol>\n

      Department: Physics<\/span><\/h4>\n

      Title of thesis: \u00a0Nuclear Structure and Gamow-Teller Strengths of some Nuclei in the sd- and fp-Shells using Shell Model<\/span><\/h4>\n

      Name: Sarah Mahdi Obaid Al-Shareefi<\/span><\/h4>\n

      Supervisor<\/span><\/h4>\n

      Asst.Prof.Dr. Huda Majeed Tawfeek<\/span><\/h4>\n

      Aim of the Study: The present study aimed to investigate the nuclear structure of some selected isotopes lies in the sd- and fp-shell regions by utilizing the recent large scale shell model calculations using the updated code NushellX@MSU to calculate the excitation energy levels, reduced electric B(E2), reduced magnetic B(M1) transition probabilities and Gamow-Teller B(GT) strengths. Shell model calculations will be carried out using the effective USDB and USDA interactions in the model space SD, and the effective FPD6, KB3G, and GXFP1A interactions for the FP model space. The shell model calculation will be performed without any restriction imposed on the model space. The theoretical results for energy levels, reduced electric B(E2) and magnetic B(M1) transition probabilities and Gamow-Teller strengths B(GT) are to be compared with the relevant experimental data available.<\/span><\/h4>\n

      Abstract: In the present study, the calculations of the shell model based on large-scale unrestricted model space has been conducted to study the energy levels of low-lying states, reduced electric B(E2) and magnetic B(M1) transition probabilities and Gamow-Teller B(GT) transition strengths for the transitions (Mg Na, MgAl, SiAl), (Mg Na, Mg Al, Si Al), (MgNa, MgAl, SiAl) lies in the -shell region and (CaSc, ScTi), (ScCa, TiSc, VTi) lies in the -shell region. The calculations have been performed by taken the core at O for -shell and Ca for -shell without any constraint put on the nucleons off the core.<\/span><\/h4>\n

      \u00a0The shell model calculation were performed using the recent version of the nuclear shell model code NushellX@MSU by employing the interactions USDB and USDA for the -shell and GXFP1A, KB3G and FPD6 for the -shell.<\/span><\/h4>\n

      \u00a0The calculations of the yrast levels, reduced electric B(E2) and reduced magnetic B(M1) transition probabilities and Gamow-Teller B(GT) transition strengths were compared with the corresponding experimental data. The low-lying energy levels were reasonably reproduced for the studied nuclei in both regions. The spin and parity of the unconfirmed energy levels for some of the studied nuclei have been confirmed.<\/span><\/h4>\n

      \u00a0The comparison between theoretical calculations of the reduced electric B(E2) and reduced magnetic B(M1) transition probabilities with the corresponding experimental data shows very clearly that the intraband transitions predicted by the shell model agrees very well with the experimental data for -shell and for the interband transitions the shell model predictions for B(E2) and B(M1) have big discrepancy compared with the experimental data, while for the -shell the shell model predictions have big discrepancy compared with the experimental data.<\/span><\/h4>\n

      \u00a0The calculation of Gamow-Teller (GT) transition strengths B(GT) for the selected isotopes lies in the – and -shell regions agrees very well with the measured (He,t), (He,t)\u00a0, (t, He), (t, He+), (d, He), (, ) and (p,n) reactions. The results are relatively good for the measured GT values and for the summed transitional strengths B(GT). We have come to a qualitative agreement on each transition while the measured strengths of the cumulative transitions are closely correlated with those observed.<\/span><\/h4>\n

      Future work<\/span><\/h4>\n

      We recommend the following:<\/span><\/h4>\n
        \n
      1. \n

        This work can be expended to study more isotopes lies in both and -shell regions to assets the success or shortfall of the present shell model calculations.<\/span><\/h4>\n<\/li>\n
      2. \n

        Using different potentials for the calculations of B(ME2) and B(M1) than the one used in our present calculations which is the harmonic oscillator (HO), like Woods-Saxon potential, Skyrme potential etc.<\/span><\/h4>\n<\/li>\n
      3. \n

        Subduing the nuclear structure for nuclei far from -shell like the , and \u00a0<\/span><\/h4>\n<\/li>\n<\/ol>\n

        <\/h4>\n

        <\/h4>\n

        <\/h4>\n

        <\/h4>\n

        <\/h4>\n","protected":false},"excerpt":{"rendered":"

        \u0646\u0627\u0642\u0634 \u0642\u0633\u0645 \u0627\u0644\u0641\u064a\u0632\u064a\u0627\u0621 \u0641\u064a \u0643\u0644\u064a\u0629 \u0627\u0644\u062a\u0631\u0628\u064a\u0629 \u0644\u0644\u0639\u0644\u0648\u0645 \u0627\u0644\u0635\u0631\u0641\u0629 (\u0627\u0628\u0646 \u0627\u0644\u0647\u064a\u062b\u0645) \u0627\u0637\u0631\u0648\u062d\u0629 \u0627\u0644\u062f\u0643\u062a\u0648\u0631\u0627\u0647 ( \u0627\u0644\u062a\u0631\u0643\u064a\u0628 \u0627\u0644\u0646\u0648\u0648\u064a \u0648\u0646\u0642\u0627\u0637 \u0627\u0644\u0642\u0648\u0629 \u0641\u064a \u062c\u0627\u0645\u0648- \u062a\u064a\u0644\u0631….<\/i>\u0627\u0644\u0645\u0632\u064a\u062f<\/span><\/a><\/p>\n","protected":false},"author":25,"featured_media":33576,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"no","_lmt_disable":"","footnotes":""},"categories":[7,16],"tags":[23,46],"class_list":["post-33574","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-7","category-16","tag-ihcoedu","tag-phys"],"modified_by":"ihcoedu","_links":{"self":[{"href":"https:\/\/ihcoedu.uobaghdad.edu.iq\/index.php?rest_route=\/wp\/v2\/posts\/33574","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ihcoedu.uobaghdad.edu.iq\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ihcoedu.uobaghdad.edu.iq\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ihcoedu.uobaghdad.edu.iq\/index.php?rest_route=\/wp\/v2\/users\/25"}],"replies":[{"embeddable":true,"href":"https:\/\/ihcoedu.uobaghdad.edu.iq\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=33574"}],"version-history":[{"count":0,"href":"https:\/\/ihcoedu.uobaghdad.edu.iq\/index.php?rest_route=\/wp\/v2\/posts\/33574\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ihcoedu.uobaghdad.edu.iq\/index.php?rest_route=\/wp\/v2\/media\/33576"}],"wp:attachment":[{"href":"https:\/\/ihcoedu.uobaghdad.edu.iq\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=33574"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ihcoedu.uobaghdad.edu.iq\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=33574"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ihcoedu.uobaghdad.edu.iq\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=33574"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}