Cross section measurements of <sup>92</sup>Mo(p, γ) <sup>93</sup>Tc and <sup>94</sup>Mo(p, γ) <sup>95</sup>Tc
POSTER
Abstract
The current network calculations from a Type II Supernovae of 25M๏ model of p-nuclei greatly underproduce 92Mo and 94Mo. This discrepancy between the network calculations and solar abundances may stem from uncertainty in the astrophysical environment or the nuclear physics input, and this work examines the nuclear uncertainty. In order to experimentally examine these two nuclei, the reactions of 92Mo(p, γ) 93Tc and 94Mo(p, γ) 95Tc were measured. The High EffiCiency TOtal Absorption SpectrometeR (HECTOR), a γ-summing detector, was used with the 5U accelerator at the University of Notre Dame to measure the cross sections of these two reactions within their Gamow Windows. In this presentation, 94Mo(p, γ) 95Tc capture reaction cross sections in the energy range Elab = 1.4 − 4.4MeV are discussed. The results of this work are compared to measurements reported in the literature and those calculated using Talys 1.9.
*This work was supported by the National Science Foundation (NSF) under Grants No. PHY-2011890, PHY-1614442, and PHY- 2050527.
Presenters
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Jane O'Reilly
- Skidmore College
- Skidmore College, University of Notre Dame