Measurement of 3He(α, γ)7Be with ERNA recoil separator

A. Di Leva, L. Gialanella, D. Schürmann, F. Strieder, D. Rogalla, M. De Cesare, N. De Cesare, A. D'Onofrio, Zs. S. Fülöp, G. Gyürky, G. Imbriani, R. Kunz, C. Lubritto, A. Ordine, V. Roca, C. Rolfs, M. Romano, F. Schümann, E. Somorjai, F. Terrasi & 1 others H. P. Trauttvetter

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

Abstract

The 3He(α, γ)7Be reaction plays an important role in the interpretation of the results of the solar neutrino experiments, since the estimate of the oscillation parameters relies on the solar neutrino spectrum, calculated by solar models. The high energy component in this spectrum is mainly produced by the decay of 7Be and 8B. The uncertainty in the 3He(α, γ) 7Be cross section is also one of the largest contributions to the uncertainty on the predicted primordial 7Li abundance in Big Bang Nucleosynthesis calculations. Previous measurements of the 3He(α, γ)7Be cross section have been performed detecting the capture γ-rays or, alternatively, measuring the activity of the synthesized 7Be. While the results of the two different approaches agree on the energy dependence of the astrophysical S factor, they disagree in the extrapolated S34(0) value at a 3σ level. A novel approach uses the European Recoil separator for Nuclear Astrophysics (ERNA) to detect directly the 7Be ions produced in the reaction and, additionally, the coincident detection of the capture γ-rays.

Original languageEnglish
Title of host publicationAIP Conference Proceedings
Pages378-382
Number of pages5
Volume831
DOIs
Publication statusPublished - Apr 26 2006
EventInternational Conference on Frontiers in Nuclear Structure, Astrophysics, and Reactions - FINUSTAR - Isle of Kos, Greece
Duration: Sep 12 2005Sep 17 2005

Other

OtherInternational Conference on Frontiers in Nuclear Structure, Astrophysics, and Reactions - FINUSTAR
CountryGreece
CityIsle of Kos
Period9/12/059/17/05

Fingerprint

solar neutrinos
separators
rays
nuclear astrophysics
cross sections
nuclear fusion
astrophysics
oscillations
energy
decay
estimates
ions

Keywords

  • Recoil separator

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Di Leva, A., Gialanella, L., Schürmann, D., Strieder, F., Rogalla, D., De Cesare, M., ... Trauttvetter, H. P. (2006). Measurement of 3He(α, γ)7Be with ERNA recoil separator. In AIP Conference Proceedings (Vol. 831, pp. 378-382) https://doi.org/10.1063/1.2200957

Measurement of 3He(α, γ)7Be with ERNA recoil separator. / Di Leva, A.; Gialanella, L.; Schürmann, D.; Strieder, F.; Rogalla, D.; De Cesare, M.; De Cesare, N.; D'Onofrio, A.; Fülöp, Zs. S.; Gyürky, G.; Imbriani, G.; Kunz, R.; Lubritto, C.; Ordine, A.; Roca, V.; Rolfs, C.; Romano, M.; Schümann, F.; Somorjai, E.; Terrasi, F.; Trauttvetter, H. P.

AIP Conference Proceedings. Vol. 831 2006. p. 378-382.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Di Leva, A, Gialanella, L, Schürmann, D, Strieder, F, Rogalla, D, De Cesare, M, De Cesare, N, D'Onofrio, A, Fülöp, ZS, Gyürky, G, Imbriani, G, Kunz, R, Lubritto, C, Ordine, A, Roca, V, Rolfs, C, Romano, M, Schümann, F, Somorjai, E, Terrasi, F & Trauttvetter, HP 2006, Measurement of 3He(α, γ)7Be with ERNA recoil separator. in AIP Conference Proceedings. vol. 831, pp. 378-382, International Conference on Frontiers in Nuclear Structure, Astrophysics, and Reactions - FINUSTAR, Isle of Kos, Greece, 9/12/05. https://doi.org/10.1063/1.2200957
Di Leva A, Gialanella L, Schürmann D, Strieder F, Rogalla D, De Cesare M et al. Measurement of 3He(α, γ)7Be with ERNA recoil separator. In AIP Conference Proceedings. Vol. 831. 2006. p. 378-382 https://doi.org/10.1063/1.2200957
Di Leva, A. ; Gialanella, L. ; Schürmann, D. ; Strieder, F. ; Rogalla, D. ; De Cesare, M. ; De Cesare, N. ; D'Onofrio, A. ; Fülöp, Zs. S. ; Gyürky, G. ; Imbriani, G. ; Kunz, R. ; Lubritto, C. ; Ordine, A. ; Roca, V. ; Rolfs, C. ; Romano, M. ; Schümann, F. ; Somorjai, E. ; Terrasi, F. ; Trauttvetter, H. P. / Measurement of 3He(α, γ)7Be with ERNA recoil separator. AIP Conference Proceedings. Vol. 831 2006. pp. 378-382
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