Electron screening effect in the reactions 3He(d, p)4He and d(3He, p)4He

被引:83
作者
Aliotta, M
Raiola, E
Gyürky, G
Formicola, A
Bonetti, R
Broggini, C
Campajola, L
Corvisiero, P
Costantini, H
D'Onofrio, A
Fülöp, Z
Gervino, G
Gialanella, L
Guglielmetti, A
Gustavino, C
Imbriani, G
Junker, M
Moroni, PG
Ordine, A
Prati, P
Roca, V
Rogalla, D
Rolfs, C
Romano, M
Schümann, F
Somorjai, E
Straniero, O
Strieder, F
Terrasi, F
Trautvetter, HP
Zavatarelli, S
机构
[1] Ruhr Univ Bochum, Inst Phys Ionenstrahlen, D-4630 Bochum, Germany
[2] Atomki, Debrecen, Hungary
[3] Univ Milan, Dipartimento Fis, Milan, Italy
[4] Ist Nazl Fis Nucl, Milan, Italy
[5] Ist Nazl Fis Nucl, Padua, Italy
[6] Univ Naples Federico II, Dipartimento Sci Fis, Naples, Italy
[7] Ist Nazl Fis Nucl, I-80125 Naples, Italy
[8] Univ Genoa, Dipartimento Fis, Genoa, Italy
[9] Ist Nazl Fis Nucl, I-16146 Genoa, Italy
[10] Univ Naples 2, Dipartimento Sci Ambientali, Caserta, Italy
[11] Univ Naples 2, Dipartimento Sci Ambientali, Naples, Italy
[12] Univ Turin, Dipartimento Fis Sperimentale, Turin, Italy
[13] Ist Nazl Fis Nucl, I-10125 Turin, Italy
[14] Ist Nazl Fis Nucl, Lab Nazl Gran Sasso, Assergi, Italy
[15] Osserv Astron Capodimonte, I-80131 Naples, Italy
[16] Osservatorio Astron Collurania, Teramo, Italy
基金
匈牙利科学研究基金会;
关键词
D O I
10.1016/S0375-9474(01)00366-9
中图分类号
O57 [原子核物理学、高能物理学];
学科分类号
070202 ;
摘要
The cross section of the reactions (3) He(d, p)(4) He and d((3) He, p)He-4 has been measured at the center-of-mass energies E = 5 to 60 keV and 10 to 40 keV, respectively. The experiments were performed to determine the magnitude of the electron screening effect leading to the respective electron-screening potential energy U-e = 219 +/-7 and 109 +/-9 eV, which are both significantly higher than the respective values from atomic physics models, U-e = 120 and 65 eV. (C) 2001 Elsevier Science B,V, All rights reserved.
引用
收藏
页码:790 / 800
页数:11
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