利用额外推力模型研究了48Ca+238U超重核合成过程中的靶核形变效应. 计算表明, 在近垒和垒下能区, 靶核形变使超重核合成截面明显增强. 对于48Ca+238U反应, 由于靶核形变蒸发残余截面增大了几倍. 同时与球形靶核相比, 形变靶核时蒸发残余激发函数的峰位移向较低能量.
参考文献
[1] | Dasgupta M, Hinde D J, Rowley N, et al. Ann Rev Nucl Part Sci, 1998, 48: 401. |
[2] | Hinde D J, Dasgupta M, Leigh J R, et al. Phys Rev Lett, 1995, 74: 1 295. |
[3] | Hinde D J, Dasgupta M, Leigh J R, et al. Phys Rev, 1996, C53: 1 290. |
[4] | Swiatecki W J. Phys Scripta, 1981, 24: 113. |
[5] | Bass R. Nucl Phys, 1974, A231: 45. |
[6] | Toke J, Bock R, Dai G X, et al. Nucl Phys, 1985, A440: 327. |
[7] | Shen W Q, Albinski J, Gobbi A, et al. Phys Rev, 1987, C36: 115. |
[8] | Alder K, Winther A. Nucl Phys, 1969, A132: 1. |
[9] | Nishio K, Ikezoe H, Mitsuokas, et al. Phys Rev, 2000, C62: 014602. |
[10] | Itkis M G, et al. In Proceedings on Fusion Dynamics at the Extremes, Dubna, 2000. In: Oganessian Yu Ts, Eagrebaev V I, ed. Singapore: World Scientific, 2001. 93. |
[11] | Itkis M G, Oganessian Yu Ts, Eagrebaev V I. Phys Rev, 2002, C65: 044602. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分:
-
10%
-
20%
-
30%
-
40%
-
50%