Electron screening effect in the reactions He-3(d, p)He-4 and d(He-3, p)He-4
- Aliotta M
- Raiola E
- Gyurky G
- Formicola A
- Bonetti R
- Broggini C
- Campajola L
- Corvisiero P
- Costantini H
- D'Onofrio A
- Fulop Z
- Gervino G
- Gialanella L
- Guglielmetti A
- Gustavino C
- Imbriani G
- Junker M
- Ordine A
- Prati P
- Roca V
- Rogalla D
- Rolfs C
- Romano M
- Schumann F
- Somorjai E
- Straniero O
- Strieder F
- Terrasi F
- Trautvetter HP
- Zavatarelli S.
- PRADA MORONI, PIER GIORGIO
Publication date
January 2001
DOIAbstract
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
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