The 3He (α, γ) 7Be S-factor at solar energies

The prompt γ experiment at LUNA

H. Costantini, D. Bemmerer, F. Confortola, A. Formicola, G. Gyürky, P. Bezzon, R. Bonetti, C. Broggini, P. Corvisiero, Z. Elekes, Zs. S. Fülöp, G. Gervino, A. Guglielmetti, C. Gustavino, G. Imbriani, M. Junker, M. Laubenstein, A. Lemut, B. Limata, V. Lozza & 11 others M. Marta, R. Menegazzo, P. Prati, V. Roca, C. Rolfs, C. Rossi Alvarez, E. Somorjai, O. Straniero, F. Strieder, F. Terrasi, H. P. Trautvetter

Research output: Contribution to journalArticle

66 Citations (Scopus)

Abstract

The 3He (α, γ) 7Be process is a key reaction in both Big-Bang nucleosynthesis and p-p chain of Hydrogen Burning in Stars. A new measurement of the 3He (α, γ) 7Be cross section has been performed at the INFN Gran Sasso underground laboratory by both the activation and the prompt γ detection methods. The present work reports full details of the prompt γ detection experiment, focusing on the determination of the systematic uncertainty. The final data, including activation measurements at LUNA, are compared with the results of the last generation experiments and two different theoretical models are used to obtain the S-factor at solar energies.

Original languageEnglish
Pages (from-to)144-158
Number of pages15
JournalNuclear Physics A
Volume814
Issue number1-4
DOIs
Publication statusPublished - Dec 15 2008

Fingerprint

solar energy
activation
nuclear fusion
stars
cross sections
hydrogen

Keywords

  • σ
  • He (α, γ) Be
  • astrophysical S-factor
  • branching ratio
  • Comparison with other data
  • deduced
  • E = 220, 250, 400 keV
  • E
  • HPGe detector in the Gran Sasso undreground laboratory
  • I
  • measured
  • Nuclear reactions
  • Prompt γ texhnique

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

Cite this

Costantini, H., Bemmerer, D., Confortola, F., Formicola, A., Gyürky, G., Bezzon, P., ... Trautvetter, H. P. (2008). The 3He (α, γ) 7Be S-factor at solar energies: The prompt γ experiment at LUNA. Nuclear Physics A, 814(1-4), 144-158. https://doi.org/10.1016/j.nuclphysa.2008.09.014

The 3He (α, γ) 7Be S-factor at solar energies : The prompt γ experiment at LUNA. / Costantini, H.; Bemmerer, D.; Confortola, F.; Formicola, A.; Gyürky, G.; Bezzon, P.; Bonetti, R.; Broggini, C.; Corvisiero, P.; Elekes, Z.; Fülöp, Zs. S.; Gervino, G.; Guglielmetti, A.; Gustavino, C.; Imbriani, G.; Junker, M.; Laubenstein, M.; Lemut, A.; Limata, B.; Lozza, V.; Marta, M.; Menegazzo, R.; Prati, P.; Roca, V.; Rolfs, C.; Alvarez, C. Rossi; Somorjai, E.; Straniero, O.; Strieder, F.; Terrasi, F.; Trautvetter, H. P.

In: Nuclear Physics A, Vol. 814, No. 1-4, 15.12.2008, p. 144-158.

Research output: Contribution to journalArticle

Costantini, H, Bemmerer, D, Confortola, F, Formicola, A, Gyürky, G, Bezzon, P, Bonetti, R, Broggini, C, Corvisiero, P, Elekes, Z, Fülöp, ZS, Gervino, G, Guglielmetti, A, Gustavino, C, Imbriani, G, Junker, M, Laubenstein, M, Lemut, A, Limata, B, Lozza, V, Marta, M, Menegazzo, R, Prati, P, Roca, V, Rolfs, C, Alvarez, CR, Somorjai, E, Straniero, O, Strieder, F, Terrasi, F & Trautvetter, HP 2008, 'The 3He (α, γ) 7Be S-factor at solar energies: The prompt γ experiment at LUNA', Nuclear Physics A, vol. 814, no. 1-4, pp. 144-158. https://doi.org/10.1016/j.nuclphysa.2008.09.014
Costantini, H. ; Bemmerer, D. ; Confortola, F. ; Formicola, A. ; Gyürky, G. ; Bezzon, P. ; Bonetti, R. ; Broggini, C. ; Corvisiero, P. ; Elekes, Z. ; Fülöp, Zs. S. ; Gervino, G. ; Guglielmetti, A. ; Gustavino, C. ; Imbriani, G. ; Junker, M. ; Laubenstein, M. ; Lemut, A. ; Limata, B. ; Lozza, V. ; Marta, M. ; Menegazzo, R. ; Prati, P. ; Roca, V. ; Rolfs, C. ; Alvarez, C. Rossi ; Somorjai, E. ; Straniero, O. ; Strieder, F. ; Terrasi, F. ; Trautvetter, H. P. / The 3He (α, γ) 7Be S-factor at solar energies : The prompt γ experiment at LUNA. In: Nuclear Physics A. 2008 ; Vol. 814, No. 1-4. pp. 144-158.
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