2000 Fiscal Year Final Research Report Summary
Structure and Reactions of Unstabe Nuclai Stustied with Antisymmetrized
| Project/Area Number |
10640262
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
素粒子・核・宇宙線
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| Research Institution | KYOTO UNIVERSITY |
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Principal Investigator |
HORIUCH Hisashi Kyoto University, Graduct School of Science, Professor, 大学院・理学研究科, 教授 (60027349)
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| Project Period (FY) |
1998 – 2000
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| Keywords | AMD+Hartree-Foch / Breakdown of magic number / dripline / a orbit / fragmentation raection / cluotow stuctine / liquid-gas phace transition / deformed Gauss packet |
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| Research Abstract |
(1) Study of _<11>Bc with AMD+Hartree-Foch method :
Reasons of the breakdown of N=8 magic number in _<11>Bc ground state were investigated. Lowering of set orbits due to the paining colelation of valence neutrone proved to be important.
(2) Study of He isotopes with AMD+Hartree-Fork method : The reason why _<10>He with N=8 magic number is unbound was investigated. Resonable strength of the two-nucleor LS force was found to birid _8He deeply.
(3) Study of _<10>Bc by variation after angular momentum projection : AMD proved to reproduce well the data of excited rotational bands with one and two neutrons in δ orbit.
(4) Fragmentation reaction reflecting the nuclear structure of colliding nuclei :
Li+He coincidence cross saction was found to be large for the breakup of _<19>B which is predicted to have cluster structure. The cross section is largest for about 30 MeV/u in indent energy.
(5) Liquid-gas phase transition :
The phase transition of the nuclear system with the mass number 36 from liquid to gas was investigated with AMD+MF by using Volkov and Gogny forces.
(6) Unstable nuclai studied with Gogny force :
Structure of He〜Mg isotopes were found to become larger by the use of deformed Gauss packet in AMD.
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