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本文用多体刚性椭球模型计算了相对入射能量为190 meV时,氖的同位素原子20Ne,34Ne与钠的同位素分子18Na2,23Na2,37Na2 替代碰撞体系的态态转动激发积分散射截面和总转动激发积分散射截面,在此基础上计算并分析了相互作用势的不同区域对20Ne-18Na2
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关键词:
- 多体刚性椭球模型 /
- 转动激发积分散射截面 /
- 钠同位素分子 /
- 椭球等势面
Multiple ellipsoid model is applied to the20Ne,34Ne-18Na2,23Na2 and37Na2collision systems. The integral cross-sections for rotational excitation and total collision cross-sections at the incident energy of 190 meV are calculated. Moreover, at the related incident energy, the contributions of different regions of the potential to the integral cross-sections of rotational excitation for20Ne-18Na2,23Na2 and37Na2 collision systems are investigated. By analyzing the differences of these integral cross-sections, the change rules of the integral cross sections with the change of rotational angular quantum number of Na2 molecule, as well as with the change of the reduced mass of symmetric isotopic substituted system are obtained.-
Keywords:
- multiple hard-ellipsoid model /
- integral cross sections for rotational excitation /
- sodium isotopic molecule /
- ellipsoid equipotential surface
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[20] Shen G X, Wang R K, Linghu R F, Yang X D 2009 Acta Phys. Sin. 58 3827 (in Chinese) [沈光先、 汪荣凯、 令狐荣锋、 杨向东 2009 58 3827]
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[24] Yu C R, Huang S Z, Feng E Y, Wang R K, Cheng X L, Yang X D 2006 Acta Phys. Sin. 55 2215 (in Chinese) [余春日、 黄时中、 凤尔银、 汪荣凯、 程新路、 杨向东 2006 55 2215]
[25] Brian H B 1979 Atomic Collisions Theory (Benjamin: Cummings Publishing Company inc) p372
[26] Li W F, Linghu R F, Cheng X L, Yang X D 2010 Acta Phys. Sin. 59 4591 (in Chinese) [李文峰、 令狐荣锋、 程新路、 杨向东 2010 59 4591]
[27] Zang H P, Li W F, Linghu R F, Cheng X L, Yang X D 2010 Acta Phys. Sin. 59 4591 (in Chinese) [臧华平、 李文峰、 令 狐荣锋、程新路、 杨向东 2010 59 4591]
[1] Yin Y L, Xia Y, Yin J P 2008 Chin. Phys. B 17 3672
[2] Góral K, Santos L, Lewenstein M 2002 Phys. Rev. Lett. 88 170406
[3] Sun X P, Feng Z F, Li W D, Jia S T 2007 Acta Phys. Sin. 56 5272 (in Chinese) [孙晓鹏、 冯志芳、 李卫东、 贾锁堂 2007 56 5272]
[4] Zhou S Y, Xu Z, Qu Q Z, Zhou S Y, Liu L, Wang Y Z 2009 Acta Phys. Sin. 58 1590 (in Chinese) [周蜀渝、 徐 震、 屈求智、 周善钰、 刘 亮、 王育竹 2009 58 1590]
[5] Weber T, Herbig J, Mark M 2003 Science 299 232
[6] Qiu Y, He J, Wang Q, Zhang T C, Wang J M 2008 Acta Phys. Sin. 57 6227 (in Chinese) [邱 英、 何 军、 王彦华、 王 婧、 张天才、 王军民 2008 57 6227]
[7] Wu H Y, Yin L 2006 Acta Phys. Sin. 55 490 (in Chinese) [武宏宇、 尹 澜 2006 55 0490]
[8] Fioretti A, Comparat D, Crubellier A 1998 Phys. Rev. Lett. 80 4402
[9] Donley E A, Claussen N R, Thompson S T 2002 Nature 417 529
[10] Weinstein J D, Carvalho R, Guillet T 1998 Nature 359 148
[11] Bethlem H L, Berden G, Meijer G 1999 Phys. Rev. Lett. 83 1558
[12] Jochim S, Bartensein M, Altmeyer A 2003 Science 302 2101
[13] Greiner M, Regal C A, Jin D S 2003 Nature 426 537
[14] Jones P L, Hefter U, Mattheus A, Witt J, Bergmann K, Muller W, Meyer W, Schinke R 1982 Phys. Rev. A 26 1283
[15] Osborne M A, McCaffery A J 1994 J. Chem. Phys. 101 5604
[16] Marks A J 1994 J. Chem. Soc. Faraday Trans. 90 2857
[17] Clare S, Marks A J, McCaffery A J 2000 J. Phys. Chem. A 104 7181
[18] McCaffery A J 2004 Phys. Chem. Chem. Phys. 6 1637
[19] Shen G X, Wang R K, Linghu R F, Yang X D 2007 Chin. Phys. 16 3352
[20] Shen G X, Wang R K, Linghu R F, Yang X D 2009 Acta Phys. Sin. 58 3827 (in Chinese) [沈光先、 汪荣凯、 令狐荣锋、 杨向东 2009 58 3827]
[21] Shen G X, Wang R K, Linghu R F, Yang X D 2008 Acta Phys. Sin. 57 0155 (in Chinese) [沈光先、 汪荣凯、 令狐荣锋、 杨向东 2009 57 0155]
[22] Yu C R, Wang R K, Zhang J, Yang X D 2009 Acta Phys. Sin. 58 0229 (in Chinese) [余春日、 汪荣凯、 张 杰、 杨向东 2008 58 0229]
[23] Jiang G, Xie H P, Tan M L, Zhu Z H 2000 Acta Phys. Sin. 49 665 (in Chinese) [蒋 刚、 谢洪平、 谭明亮、 朱正和 2000 49 665]
[24] Yu C R, Huang S Z, Feng E Y, Wang R K, Cheng X L, Yang X D 2006 Acta Phys. Sin. 55 2215 (in Chinese) [余春日、 黄时中、 凤尔银、 汪荣凯、 程新路、 杨向东 2006 55 2215]
[25] Brian H B 1979 Atomic Collisions Theory (Benjamin: Cummings Publishing Company inc) p372
[26] Li W F, Linghu R F, Cheng X L, Yang X D 2010 Acta Phys. Sin. 59 4591 (in Chinese) [李文峰、 令狐荣锋、 程新路、 杨向东 2010 59 4591]
[27] Zang H P, Li W F, Linghu R F, Cheng X L, Yang X D 2010 Acta Phys. Sin. 59 4591 (in Chinese) [臧华平、 李文峰、 令 狐荣锋、程新路、 杨向东 2010 59 4591]
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