在日本东京大学CRIB次级束装置上,用长气体靶开展了22Na+α共振散射的厚靶实验研究.针对长气体靶实验中的两体运动学重构问题,提出了一套包括构建空间复杂几何关系、计算能量损失以及反应运动学的逐事件分析方法;对22Na+α共振散射的实验数据进行了重构分析,得到了Ec.m.=4.2~5.4 MeV区间22Na(α,α)的激发函数,从实验的激发函数中观测到了复合核26Al 5个较为明显的共振峰.鉴于26Alα共振态的衰变模式比较复杂,本工作发现的26Al新共振态的能级性质有待进一步的理论分析.
参考文献
[1] | NISHIMURA S;LI Z;WATANABE H.[J].Physical Review Letters,2011106:052502. |
[2] | NAVIN A.[J].Journal of Physics G:Nuclear and Particle Physics,201138:024004. |
[3] | ZHANG Y H;XU H S.[J].Physical Review Letters,2012109:102501. |
[4] | ARTEMOV K P;GOLOVKOV M S;GOLDDBERG V E;et at.[J].Soy J Nucl Phys,199052:408. |
[5] | KUBONO S.[J].Nuclear Physics A,2001693:221. |
[6] | ROGACHEV G V;BOUTACHKOV P.[J].Physical Review Letters,200492:232502. |
[7] | TERANISHI T;KUBONO S;SHIMOURA S.[J].Physics Letters B,2003556:27. |
[8] | WANG Y B;WANG B X;BAI X X.[J].Physical Review C:Nuclear Physics,200877:044304. |
[9] | YAMAGUCHI H;WAKABAYASHI Y;KUBONO S.[J].Physics Letters B,2009672:230. |
[10] | HE J J;ZHANG L Y;PARIKH A.[J].Physical Review C:Nuclear Physics,201388:012801. |
[11] | 张立勇;许世伟;何建军.[J].原子核物理评论,201330(04):385. |
[12] | FU C B;GOLDBERG V Z;MUKHAMEDZHANOV A M.[J].Physical Review C:Nuclear Physics,200776:021603. |
[13] | JUNG H S;LEE C S;KWON Y K.[J].Physical Review C,201285:045802. |
[14] | KUMAGAI H;OZAWA A;FUKUDA N.[J].NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS,2001470:562. |
[15] | 李庆阳;王能超;易大义.数值分析[M].北京:清华大学出版社,2008 |
[16] | ISHIYAMA H;HASHIMOTO T;ISHIKAWA T.[J].Physics Letters B,2006640:82. |
[17] | YAMAGUCHI K;ISHIYAMA H;TANAKA M H.[J].NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS,2010623:135. |
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%