Proton capture by N15

Hebbard, D.F.

doi:10.1016/0029-5582(60)90308-4

Cited by 87 publications

(90 citation statements)

References 14 publications

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“…They measured the Asymptotic Normalization Coefficients (ANC) and performed an R-Matrix fit including the previous direct data. This work provides an S-factor lower by a factor 2 than the one suggested by NACRE and in agreement with the Hebbard's extrapolated S-factor [2].…”

Section: Introductionsupporting

confidence: 88%

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LUNA: The 15N(p,\gamma )16O reaction study at low energies with a BGO detector

Caciolli¹

2011

Proceedings of 11th Symposium on Nuclei in the Cosmos — PoS(NIC XI)

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The 15 N(p,γ) 16 O reaction has been intensively studied by the LUNA collaboration. In this contribution the measurements performed using a 4π-BGO detector and a solid target setup are described. The data, which are being analyzed, cover for the first time the entire Gamow peak for nova scenarios and investigate the Gamow energies for AGB and RGB stars. A detailed report of the target analysis and the procedure to determine the S-factor is described while the final results are still under evaluation. 11th Symposium on Nuclei in the Cosmos, NIC XI

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Section: Introductionsupporting

confidence: 88%

“…The excitation curve was measured in pioneering experiments by Hebbard [2] and Rolfs and Rodney [3] using NaI and Ge(Li) detectors respectively. The reported low energy data differ by more than a factor of 2 and the same discrepancy also appears in the extrapolated S-factor.…”

Section: Introductionmentioning

confidence: 99%

LUNA: The 15N(p,\gamma )16O reaction study at low energies with a BGO detector

Caciolli¹

2011

Proceedings of 11th Symposium on Nuclei in the Cosmos — PoS(NIC XI)

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“…[5,6,[8][9][10]49]. The uncertainty in S(0) for the ground state transition includes a 4 percent statistical uncertainty and a 5 percent systematic uncertainty as reported in Ref.…”

Section: B Isospin Considerationsmentioning

confidence: 99%

“…Several previous analyses have reported a broad range of values for the zero energy Sfactor S(0) [5][6][7][8][9]. The large uncertainty in S(0) results from three competing contributions to the cross section.…”

Section: Introductionmentioning

confidence: 99%

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R-matrix analysis of16O compound nucleus reactions

et al. 2013

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Background Over the last 60 years, a large amount of experimental nuclear data has been obtained for reactions which probe the 16 O compound nucleus near the alpha and proton separation energies, the energy regimes most important for nuclear astrophysics. Difficulties and inconsistencies in R-matrix fits of the individual reactions prompt a more complete analysis.Purpose Determine the level of consistency between the wide variety of experimental data using a multiple entrance/exit channel R-matrix framework. Using a consistent set of data from multiple reaction channels, attain an improved fitting for the 15 N(p, γ0) 16 O reaction data.Methods Reaction data for all available reaction channels were fit simultaneous using a multichannel R-matrix code.Results Over the wide range of experimental data considered, a high level of consistency was found, resulting in a single consistent R-matrix fit which described the broad level structure of 16 O below Ex = 13.5 MeV. The resulting fit was used to extract an improved determination of the low energy S-factor for the reactions 15 N(p, γ) 16 O and 15 N(p, α) 12 C. ConclusionThe feasibility and advantages of a complete multiple entrance/exit channel R-matrix description for the broad level structure of 16 O has been achieved. A future publication will investigate the possible effects of the multiple channel analysis on the reaction 12 C(α, γ) 16 O.

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A = 16

Ajzenberg‐Selove¹,

Lauritsen²

Energy Levels of Nuclei: A = 5 to a = 257

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Proton capture by N15

Cited by 87 publications

References 14 publications

LUNA: The 15N(p,\gamma )16O reaction study at low energies with a BGO detector

LUNA: The 15N(p,\gamma )16O reaction study at low energies with a BGO detector

R-matrix analysis of16O compound nucleus reactions

A = 16

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