Indirect determination of the astrophysical 
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mi>S</mml:mi></mml:math>
 factor for the 
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mmultiscripts><mml:mi>Li</mml:mi><mml:mprescripts /><mml:none /><mml:mn>6</mml:mn></mml:mmultiscripts></mml:math>
(
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mi>p</mml:mi><mml:mo>,</mml:mo><mml:mi>γ</mml:mi><mml:mo>)</mml:mo><mml:mmultiscripts><mml:mi>Be</mml:mi><mml:mp

The 6Li(p,γ)7Be reaction is involved in all three main nucleosynthesis scenarios: Big Bang Nucleosynthesis, the interaction of cosmic rays with interstellar matter, and stellar nucleosynthesis. Conflicting experimental results have been reported in literature for the 6Li(p,γ)7Be reaction cross section trend at astrophysical energies. A recent direct measurement found a resonance-like structure at Ec.m. = 195 keV, corresponding to an excited state at Ex ~ 5800 keV in 7Be which, however, has not been confirmed by either theoretical calculations or other direct measurements. In order to clarify the existence of this resonance, a new experiment was performed at the Laboratory for Underground Nuclear Astrophysics, located deep underground at Laboratori Nazionali del Gran Sasso (Italy). The 6Li(p,γ)7Be cross section was measured in the energy range Ec.m. = 60-350 keV with unprecedented sensitivity and no evidence for the alleged resonance was found.

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Indirect determination of the astrophysical S factor for the Li6 ( p,γ)Be

Cited by 22 publications

References 40 publications

The controversy 3/2+ state in 7Be and its effect on the 3He(α,γ)7Be reaction

The controversy 3/2+ state in 7Be and its effect on the 3He(α,γ)7Be reaction

Study of the 7Be(d,3He)6Li* reaction at 5 MeV/u

Underground measurement at LUNA found no evidence for a low-energy resonance in the ⁶Li(p, γ)⁷Be reaction

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Indirect determination of the astrophysical S factor for the Li6 ( p,γ)Be

Cited by 22 publications

References 40 publications

The controversy 3/2+ state in 7Be and its effect on the 3He(α,γ)7Be reaction

The controversy 3/2+ state in 7Be and its effect on the 3He(α,γ)7Be reaction

Study of the 7Be(d,3He)6Li* reaction at 5 MeV/u

Underground measurement at LUNA found no evidence for a low-energy resonance in the 6Li(p, γ)7Be reaction

Contact Info

Product

Resources

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Underground measurement at LUNA found no evidence for a low-energy resonance in the ⁶Li(p, γ)⁷Be reaction