实验测量了20-40 MeV/u的轻丰中子核6He在Si靶上的反应总截面, 并且结合6He的高能实验数据, 采用双参数HO密度分布形式用Glauber模型计算得到较好的拟合. 与Warner的实验数据比较, 反应总截面数据系统性好, 并与能量有明显的依赖关系.
参考文献
[1] | Tanihata I, Hamagaki H, Hashimoto O, et al. Measurements of Interaction Cross Sections and Nuclear Radii in the Light p-shell Region [J]. Phys Rev Lett, 1985, 55: 2 676. |
[2] | Tanihata I, Kobayashi T, Yamakawa O, et al. Measurement of Interaction Cross Sections Using Isotope Beams of Be and B and Isospin Dependence of the Nuclear Radii [J]. Phys Lett, 1988, B206: 592. |
[3] | Warner R E, Kelley J N, Zecher P, et al. Evidence for a Proton Halo in 8B: Enhanced total reaction cross sections at 20 to 60 MeV/nucleon [J]. Phys Rev, 1995, C52: 1 166. |
[4] | Chulkov L, Kraus G, Bochkarev O, et al. Interaction Cross Sections and Matter Radii of A=20 Isobars [J]. Nucl Phys, 1996, A603: 219. |
[5] | Tanihata I, Hamagaki H, Hashimoto O, et al. Measurements of Interaction Cross Sections and Radii of He Isotopes [J]. Phys Lett, 1985, B160: 380. |
[6] | Kobayashi T, Yamakawa O, Omata K, et al. Projectile Fragmentation of the Extremely Neutron-rich Nucleus 11Li at 0.79 GeV/nucleon [J]. Phys Rev Lett, 1988, 60: 2 599. |
[7] | Tanihata I, Hirata D, Kobayashi T, et al. Revelation of Thick Neutron Skins in Nuclei [J]. Phys Lett, 1992, B289: 261. |
[8] | Cortina-Gil M D, Roussel-Chomaz P, Alamanos N, et al. Search for the Signature of a Halo Structure in the p (6He, 6Li)n Reaction [J]. Phys Lett, 1996, B371: 14. |
[9] | Warner R E, Mckinnon M H, Shaner N C, et al. Total Reaction and Neutron-removal Cross Sections of(30-60)A MeV He and Li Isotopes on Pb [J]. Phys Rev, 2000, C62: 024608, 1. |
[10] | Korsheninnikov A A, Kuzmin E A, Nikolsky E Yu, et al. Elastic and Inelastic Scattering of Exotic Nuclei [J]. Nucl Phys, 1997, A616: 189c. |
[11] | Karataglidis S, Dortmans P J, Amos K, et al. Alternative Evalutions of Halos in Nuclei [J]. Phys Rev, 2000, C61:024319, 1. |
[12] | Zhan Wenlong, Guo Zhongyan, Liu Guanhua, et al. Radioactive Ion Beam Line in Lanzhou [J]. Scinence in China (Series A), 1999; 42(5): 528. |
[13] | Charagi S K, Gupta S K. Coulomb-modified Glauber Model Description of Heavy-ion Reaction Cross Sections [J]. Phys Rev, 1990, C41: 1 610. |
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