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Probabilistic neural networks for improved analyses with phenomenological $R$ -matrix

https://doi.org/10.1103/PhysRevC.110.054609

Kim, C H; Chae, K Y; Smith, M S; Bardayan, D W; Brune, C R; deBoer, R J; Lu, D; Odell, D (November 2024, Physical Review C)

Free, publicly-accessible full text available November 1, 2025
The $$^{24}$$Mg($$\alpha$$,p)$$^{27}$$Al reaction measurement using solenoid spectrometer for nuclear astrophysics (SSNAP)

https://doi.org/10.1007/s40042-024-01083-x

Gu, G M; Chae, K Y; Cha, S M; Kwag, M S; Kim, M J; Allen, J; O’Malley, P D; Boeltzig, A; Clark, A M; Frentz, B; et al (May 2024, Journal of the Korean Physical Society)

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Indirect Measurement of the ³ He(n,p) ³ H Reaction Cross Section at Big Bang Energies

https://doi.org/10.3847/1538-4357/ad7f4f

Pizzone, R G; Sergi, M L; Oliva, A A; Zanatta-Martinez, T; Lamia, L; Spartá, R; Guardo, G L; La_Cognata, M; D’Agata, G; Palmerini, S; et al (November 2024, The Astrophysical Journal)

Abstract Neutron-induced nuclear reactions play an important role in the Big Bang Nucleosynthesis. Their excitation functions are, from an experimental point of view, usually difficult to measure. Nevertheless, in the last decades, big efforts have led to a better understanding of their role in the primordial nucleosynthesis network. In this work, we apply the Trojan Horse Method to extract the cross section at astrophysical energies for the³He(n,p)³H reaction after a detailed study of the²H(³He,pt)H three-body process. Data extracted from the present measurement are compared with other published sets. The reaction rate is also calculated, and the impact on the Big Bang nucleosynthesis is examined in detail.
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Free, publicly-accessible full text available November 1, 2025
Proton branching ratios in $$^{22}$$Mg for X-ray bursts

https://doi.org/10.1140/epja/s10050-023-01029-0

Kim, S. H.; Chae, K. Y.; Bardayan, D. W.; Blackmon, J. C.; Chipps, K. A.; Hatarik, R.; Jones, K. L.; Kim, M. J.; Kozub, R. L.; Liang, J. F.; et al (May 2023, The European Physical Journal A)

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First Direct Measurement Constraining the ${}^{34}{Ar} (α, p) {}^{37}K$ Reaction Cross Section for Mixed Hydrogen and Helium Burning in Accreting Neutron Stars

https://doi.org/10.1103/PhysRevLett.130.212701

Browne, J.; Chipps, K. A.; Schmidt, Konrad; Schatz, H.; Ahn, S.; Pain, S. D.; Montes, F.; Ong, W. J.; Greife, U.; Allen, J.; et al (May 2023, Physical Review Letters)

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Proton branching ratios of ${}^{23}{Mg}$ levels

https://doi.org/10.1103/PhysRevC.105.025801

Kim, C. H.; Chae, K. Y.; Ahn, S.; Bardayan, D. W.; Chipps, K. A.; Cizewski, J. A.; Howard, M. E.; Kozub, R. L.; Kwag, M. S.; Kwak, K.; et al (February 2022, Physical Review C)

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First measurement of proton decay from a transfer reaction to ${}^{21}{Na}$

https://doi.org/10.1103/PhysRevC.104.014323

Kim, M. J.; Chae, K. Y.; Ahn, S.; Bardayan, D. W.; Cha, S. M.; Chipps, K. A.; Cizewski, J. A.; Howard, M. E.; Kozub, R. L.; Kwak, K.; et al (July 2021, Physical Review C)
null (Ed.)
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Proton Decay of 21Na for 20Ne Energy Levels

https://doi.org/10.3938/jkps.77.383

Kim, M. J.; Chae, K. Y.; Cha, S. M.; Ahn, S. H.; Bardayan, D. W.; Chipps, K. A.; Cizewski, J. A.; Howard, M. E.; Manning, B.; Ratkiewicz, A.; et al (September 2020, Journal of the Korean Physical Society)
null (Ed.)
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Cross-section measurements to low-lying excited final states in the ${}^{24}{Mg} (α, p) {}^{27}{Al}^{*} (γ)$ reaction as an energy source for x-ray bursts

https://doi.org/10.1103/PhysRevC.102.035805

Ahn, T.; Aguilar, S.; deBoer, R. J.; Bardayan, D. W.; Boeltzig, A.; Brune, C. R.; Burcher, S. P.; Chae, K. Y.; Henderson, S. L.; Grzywacz, R. K.; et al (September 2020, Physical Review C)

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Spin assignments for $$^{23}\hbox {Mg}$$ levels and the astrophysical $$^{22}\hbox {Na}(p,\gamma )^{23}\hbox {Mg}$$ reaction

https://doi.org/10.1140/epja/s10050-020-00106-y

Kwag, M. S.; Chae, K. Y.; Ahn, S.; Bardayan, D. W.; Chipps, K. A.; Cizewski, J. A.; Howard, M. E.; Kozub, R. L.; Kwak, K.; Manning, B.; et al (April 2020, The European Physical Journal A)

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