A measurement of the 50Ti(γ, n) and 50Ti(γ, n0) cross sections

doi:10.1016/0375-9474(79)90156-8

Nuclear Physics A

Volume 325, Issue 1, 13 August 1979, Pages 116-124

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Abstract

Measurements of the ⁵⁰Ti(γ, n) and ⁵⁰Ti(γ, n₀) cross sections have been made in the energy range of the giant dipole resonance (GDR). Assuming the GDR is split into two isospin components, approximated as Lorentzians, a calculation based on statistical decay of the GDR states is consistent with the experimental results.

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The photonuclear cross sections of 48Ca
1987, Nuclear Physics, Section A
The sum of the photoneutron and photoproton cross sections of ⁴⁸Ca (⁴⁸Ca(γ, n + p)), has been deduced from an activation yield curve measurement using bremsstrahlung. In a separate experiment the ⁴⁸Ca(γ, p) and partial photoproton cross sections to the ground and first excited states of ⁴⁷K have been deduced from measured photoproton spectra recorded from the electro-disintegration of ⁴⁸Ca. The ⁴⁸Ca(γ, n) cross section is estimated from these data. A statistical decay model is used to estimate the ⁴⁸Ca(γ, 2n) cross section. These reported cross sections are used to determine the relative strengths and energy distributions of the isospin components of the GDR states, and to compare these with theoretical predictions.
Nuclear Data Sheets for A=49
1986, Nuclear Data Sheets
The 1978 evaluation of A=49 (78Ha15) has been revised using experimental decay and reaction data received by the cutoff date noted below. See also 75Be56 and 76Ha07 for mass excess and deformation calculations relevant to the unobserved nuclides of ⁴⁹Co and ⁴⁹Ni.
Thermonuclear reaction rates: see 79Wo07 for calculations on the production of A=49 nuclei via α- and p-induced reactions and 83Sa30 for a study on the effects of excited states on the reaction rates.
Neutron-induced reaction data: see the bibliography CINDA-A, CINDA-B, and supplements.
The photoproton reaction of 25Mg
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The proton yields from the ²⁵Mg(e, p) reaction have been measured for E_p > 3 MeV, at θ = 90°, using an enriched ²⁵Mg sample in the electron energy range 15–28 MeV. Partial photoproton cross sections to the ground and excited states in ²⁴Na have been deduced and a lower limit is placed on the ²⁵Mg(γ, np) cross section. The derived photoproton cross section combined with existing photoneutron data allows the ²⁵Mg absorption cross section to be estimated. Configuration splitting of the ²⁵Mg GDR is confirmed, and the effects of isospin splitting are considered.
A study of photoreactions in 48Ti
1980, Nuclear Physics, Section A
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2012, International Journal of Modern Physics E

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Nuclear Physics A

Abstract

References (16)

Nucl. Phys.

Nucl. Phys.

Can.J. Phys.

Austral. J. Phys.

Austral. J. Phys.

Nucl. Phys.

Cited by (19)

Nuclear data sheets update for A = 49

The photonuclear cross sections of <sup>48</sup>Ca

Nuclear Data Sheets for A=49

The photoproton reaction of <sup>25</sup>Mg

A study of photoreactions in <sup>48</sup>Ti

E1 strength in light nuclei: Skyrme RPA analysis