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

M Aliotta, E Raiola, G Gyurky, A Formicola, R Bonetti, C Broggini, L Campajola, P Corvisiero, H Costantini, A D'Onofrio, Z Fulop, G Gervino, L Gialanella, A Guglielmetti, C Gustavino, G Imbriani, M Junker, P G Moroni, A Ordine, P PratiV Roca, D Rogalla, C Rolfs, M Romano, F Schumann, E Somorjai, O Straniero, F Strieder, F Terrasi, H P Trautvetter, S Zavatarelli

Research output: Contribution to journalArticlepeer-review


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.

Original languageEnglish
Pages (from-to)790-800
Number of pages11
JournalNuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Issue number4
Publication statusPublished - 30 Jul 2001


  • H2+ IONS
  • D+D


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