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基于多组态Dirac-Fock方法和密度矩阵理论, 系统地研究了在197 MeV/u的碰撞能量下, Xe53+离子与Xe原子的辐射电子俘获过程(REC)以及电子被俘获到激发态后辐射退激发产生的特征谱线. 计算了炮弹Xe53+离子俘获电子到不同壳层np1/2,3/2 (n=2-5) 的总截面与相应的REC光子能量和角分布, 以及由激发组态1s np1/2,3/2 (n=2-5) Jf=1向基态1s2 Jd=0辐射退激发的跃迁能量、跃迁概率和特征光子的角分布和线性极化度. 计算结果表明, 辐射光子具有显著的角各向异性特征. 此外, 1snp3/2 Jf=11s2 Jd= 0 退激发特征光子也显示出很强的线性极化和角各向异性特征, 而1snp1/2 Jf = 1 1s2 Jd = 0 退激发特征光子的线性极化度趋于零并且角分布也趋于各向同性.
[1] Surzhykov A, Fritzsche S, Sthlker T 2001 Phys. Lett. A 289 213
[2] Kozioł K 2014 J. Quant. Spectrosc. Radiat. 149 138
[3] Eichler J 1990 Phys. Rep. 193 165
[4] Vane C R, Datz S, Dittner P F, Giese J, Jones N L, Krause H F, Rosseel T M, Peterson R S 1994 Phys. Rev. A 49 1847
[5] Wu Z W, Jiang J, Dong C Z 2011 Phys. Rev. A 84 032713
[6] Wu Z W, Dong C Z, Jiang J 2012 Phys. Rev. A 86 022712
[7] Wu Z W, Kabachnik N M, Surzhykov A, Dong C Z, Fritzsche S 2014 Phys. Rev. A 90 052515
[8] Tashenov S, Sthlker T, Banaś D, et al. 2006 Phys. Rev. Lett. 97 223202
[9] Wu Z W, Surzhykov A, Fritzsche S 2014 Phys. Rev. A 89 022513
[10] Surzhykov A, Fritzsche S, Gumberidze A, Sthlker T 2002 Phys. Rev. Lett. 88 153001
[11] Surzhykov A, Fritzsche S, Sthlker T, Tachenov S 2003 Phys. Rev. A 68 022710
[12] Bednarz G, Warczak A, Sierpowski D, Sthlker T, Hagmann S, Bosch F, Gumberidze A, Kozhuharov C, Liesen D, Mokler P H, Ma X, Stachura Z 2003 Hyperfine Interact 146/147 29
[13] Ma X, Mokler P H, Bosch F, Gumberidze A, Kozhuharov C, Liesen D, Sierpowski D, Stachura Z, Sthlker T, Warczak A 2003 Phys. Rev. A 68 042712
[14] Zakowicz S, Harman Z, Grn N, Scheid W 2003 Phys. Rev. A 68 042711
[15] Zakowicz S, Scheid W, and Grn N 2003 Nucl. Instrum. Methods Phys. Res. B 205 386
[16] Fritzsche S, Kabachnik N M, Surzhykov A 2008 Phys. Rev. A 78 032703
[17] Fritzsche S, Surzhykov A, Sthlker T 2011 Phys. Scr. T144 014002
[18] Weber G, Bruning H, Surzhykov, Brandau C, Fritzsche S, Geyer S, Hagmann S, Hess S, Kozhuharov C, Mrtin R, Petridis N, Reuschl R, Spillmann U, Trotsenko S, Winters D F A, Sthlker T 2010 Phys. Rev. Lett. 105 243002
[19] Brandt D 1983 Phys. Rev. A 27 1314
[20] Ichihara A, Shirai T, Eichler J 1994 Phys. Rev. A 49 1875
[21] Wan J J, Dong C Z, Ding X B, Ma X W, Rzadkiewicz J, Sthlker T, Fritzsche S 2009 Phys. Rev. A 79 022707
[22] Koga T, Mastsuyama H 1992 Phys. Rev. A 45 5266
[23] Ma X W, Sthlker T, Beyer H F, Bosch F, Brinzanescu O, Kozhuharov C, Mokler P H, Ludziejewski T, Stachura Z, Warczak A 2002 Nucl. Phys. Rev. 19 131
[24] Fritzsche S, Surzhykov A, Sthlker T 2005 Phys. Rev. A 72 012704
[25] Berezhko E G, Kabachnik N M 1977 J. Phys. B 10 2467
[26] Chen M H, Scofield J H 1995 Phys. Rev. A 52 2057
[27] Grant I P 1974 J. Phys. B 7 1458
[28] JŚnsson P, He X, Fischer C F 2007 Comput. Phys. Commun. 177 597
[29] Biggs F, Mendelsohn L B, Mann J B 1975 At. Data And Nucl. Data Tables 16 201
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[1] Surzhykov A, Fritzsche S, Sthlker T 2001 Phys. Lett. A 289 213
[2] Kozioł K 2014 J. Quant. Spectrosc. Radiat. 149 138
[3] Eichler J 1990 Phys. Rep. 193 165
[4] Vane C R, Datz S, Dittner P F, Giese J, Jones N L, Krause H F, Rosseel T M, Peterson R S 1994 Phys. Rev. A 49 1847
[5] Wu Z W, Jiang J, Dong C Z 2011 Phys. Rev. A 84 032713
[6] Wu Z W, Dong C Z, Jiang J 2012 Phys. Rev. A 86 022712
[7] Wu Z W, Kabachnik N M, Surzhykov A, Dong C Z, Fritzsche S 2014 Phys. Rev. A 90 052515
[8] Tashenov S, Sthlker T, Banaś D, et al. 2006 Phys. Rev. Lett. 97 223202
[9] Wu Z W, Surzhykov A, Fritzsche S 2014 Phys. Rev. A 89 022513
[10] Surzhykov A, Fritzsche S, Gumberidze A, Sthlker T 2002 Phys. Rev. Lett. 88 153001
[11] Surzhykov A, Fritzsche S, Sthlker T, Tachenov S 2003 Phys. Rev. A 68 022710
[12] Bednarz G, Warczak A, Sierpowski D, Sthlker T, Hagmann S, Bosch F, Gumberidze A, Kozhuharov C, Liesen D, Mokler P H, Ma X, Stachura Z 2003 Hyperfine Interact 146/147 29
[13] Ma X, Mokler P H, Bosch F, Gumberidze A, Kozhuharov C, Liesen D, Sierpowski D, Stachura Z, Sthlker T, Warczak A 2003 Phys. Rev. A 68 042712
[14] Zakowicz S, Harman Z, Grn N, Scheid W 2003 Phys. Rev. A 68 042711
[15] Zakowicz S, Scheid W, and Grn N 2003 Nucl. Instrum. Methods Phys. Res. B 205 386
[16] Fritzsche S, Kabachnik N M, Surzhykov A 2008 Phys. Rev. A 78 032703
[17] Fritzsche S, Surzhykov A, Sthlker T 2011 Phys. Scr. T144 014002
[18] Weber G, Bruning H, Surzhykov, Brandau C, Fritzsche S, Geyer S, Hagmann S, Hess S, Kozhuharov C, Mrtin R, Petridis N, Reuschl R, Spillmann U, Trotsenko S, Winters D F A, Sthlker T 2010 Phys. Rev. Lett. 105 243002
[19] Brandt D 1983 Phys. Rev. A 27 1314
[20] Ichihara A, Shirai T, Eichler J 1994 Phys. Rev. A 49 1875
[21] Wan J J, Dong C Z, Ding X B, Ma X W, Rzadkiewicz J, Sthlker T, Fritzsche S 2009 Phys. Rev. A 79 022707
[22] Koga T, Mastsuyama H 1992 Phys. Rev. A 45 5266
[23] Ma X W, Sthlker T, Beyer H F, Bosch F, Brinzanescu O, Kozhuharov C, Mokler P H, Ludziejewski T, Stachura Z, Warczak A 2002 Nucl. Phys. Rev. 19 131
[24] Fritzsche S, Surzhykov A, Sthlker T 2005 Phys. Rev. A 72 012704
[25] Berezhko E G, Kabachnik N M 1977 J. Phys. B 10 2467
[26] Chen M H, Scofield J H 1995 Phys. Rev. A 52 2057
[27] Grant I P 1974 J. Phys. B 7 1458
[28] JŚnsson P, He X, Fischer C F 2007 Comput. Phys. Commun. 177 597
[29] Biggs F, Mendelsohn L B, Mann J B 1975 At. Data And Nucl. Data Tables 16 201
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