测量了27, 28P和相应同中子异位素在28Si靶上的中能反应截面. 测得N=12和13同中子异位素的反应截面在Z=15处突然增大. 对Z≤14同中子异位素和28P的实验数据结果可以用改进的光学极限近似的Glauber理论很好地描述. 28P的反应截面能够用扩大核芯以改进的Glauber理论来解释. 但是, 用改进光学极限和少体近似的Glauber理论却低估了27P的实验数据. 理论分析表明, 扩大的核芯加质子晕可能是响应27P+28Si反应截面增强的机制.
参考文献
[1] | Minamisono T, Ohtsubo T, Minami I, et al. Phys Rev Lett, 1992, 69: 2 058. |
[2] | Blank B, Marchand C, Pravikoff M S, et al. Nucl Phys, 1997, A624: 242. |
[3] | Schwab W, Geissel H, Lenske H, et al. Z Phys, 1995, A350: 283. |
[4] | Negoita F, Borcea C, Carstoiu F. Phys Rev, 1996, C54: 1 787. |
[5] | Kelley J H, Austin Sam M, Azhari A, et al. Phys Rev Lett, 1996, 77: 5 020. |
[6] | Smedberg M H, Baumann T, Aumann T, et al. Phys Lett, 1999, B452: 1. |
[7] | Fukuda M, Mihara M, Fukao T, et al. Phys, 1999, A656: 209. |
[8] | Navin A, Bazin D, Brown B A, et al. Phys Rev Lett, 1998, 81: 5 089. |
[9] | Brown B A, Hansen P G. Phys Lett, 1996, B381: 391. |
[10] | Ren Z Z , Chen B Q, Ma Z Y, et al. Phys Rev, 1996, C53: 572. |
[11] | Chen B Q , Ma Z Y, Grummer F, et al. J Phys, 1998, G24: 97. |
[12] | Zhang H Y, Sun W Q, Ren Z Z, et al. Nucl Phys, 2002, A707: 303. |
[13] | Ozawa A, Bochkarev O, Chulkov L, et al. Nucl Phys, 2001, A691: 599. |
[14] | Kanungo R, Tanihata I, Ozawa A. Phys Lett, 2001, B512: 261. |
[15] | Kanungo R, Masami Chiba, Naohito Iwasa, et al. Phys Rev Lett, 2002, 88: 142502. |
[16] | @@Warner R E ,@@ Kelley J H,@@ Zecher P,@@ et al.$$ Phys Rev,** 1995,)) C52:&& R1 166; |
[17] | Nucl Phys, 1998, A635: 292. |
[18] | Jensen A S, Riiseger K. Phys Lett, 2000, B480: 39. |
[19] | Ogawa Y, Tanihata I. Nucl Phys, 1992, A543: 727. |
[20] | Al-khalili J S, Tostevin J A. Phys Rev Lett, 1996, 76: 3 903. |
[21] | Charagi S K, Gupta S K. Phys Rev, 1997, C56: 1 171. |
[22] | Zhao Y L, Ma Z Y, Chen B Q, et al. Commun Theor Phys, 2001, 36: 313. |
[23] | 赵跃林, 马中玉, 陈宝秋等. 高能物理与核物理, 2001, 25:506. |
[24] | Suzuki T, et al. Nucl Phys, 1998, A630: 661. |
[25] | Cai X Z, et al. Phys Rev, 2002, C65: 024610. |
[26] | Warner R E , Kelley J H, Zecher P, et al. Phys Rev, 1995, C52: R1 166; Nucl Phys, 1998, A635: 292. |
[27] | Jensen A S, Riiseger K. Phys Lett, 2000, B480: 39. |
[28] | Ogawa Y, Tanihata I. Nucl Phys, 1992, A543: 727. |
[29] | Al-khalili J S, Tostevin J A. Phys Rev Lett, 1996, 76: 3 903. |
[30] | Charagi S K, Gupta S K. Phys Rev, 1997, C56: 1 171. |
[31] | Zhao Y L, Ma Z Y, Chen B Q, et al. Commun Theor Phys, 2001, 36: 313. |
[32] | 赵跃林, 马中玉, 陈宝秋等. 高能物理与核物理, 2001, 25:506. |
[33] | Suzuki T, et al. Nucl Phys, 1998, A630: 661. |
[34] | Cai X Z, et al. Phys Rev, 2002, C65: 024610. |
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