Single neutron transfer on 23Ne and its relevance for the pathway of nucleosynthesis in astrophysical X-ray bursts

Lotay, G.; Henderson, J.; Catford, W. N.; Ali, F. A.; Berean, J.; Bernier, N.; Bhattacharjee, S. S.; Bowry, M.; Caballero-Folch, R.; Davids, B.; Drake, T.E.; Garnsworthy, A.B.; Moradi, F. Ghazi; Gillespie, S. A.; Greaves, Beau; Hackman, G.; Hallam, S.; Hymers, D.; Kasanda, Eva; Levy, D.; Luna, B. K.; Mathews, A.; Meisel, Z.; Moukaddam, M.; Muecher, D.; Orr, N. A.; Patel, H.P.; Rajabali, Mustafa; Saito, Yoshihiko; Smallcombe, J.; Spencer, Michael G.; Svensson, C. E.; Whitmore, K.; Williams, M.

doi:10.1016/j.physletb.2022.137361

Cited by 3 publications

(1 citation statement)

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“…Hence, the reaction flow through the 22 Mg waiting point is mainly determined by the 22 Mg(α, p) 25 Al reaction and the proton capture rate on 23 Al created via 22 Mg(p, γ) 23 Al reaction. The uncertainties on the proton capture rate on 23 Al have recently been substantially reduced experimentally [14,15]. Currently, the 22 Mg(α,p) 25 Al reaction rate provides the main uncertainty in constraining the nucleosynthesis flow at the 22 Mg waiting point, despite recent experimental efforts.…”

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confidence: 99%

Study of the $^{22}$Mg waiting point relevant for x-ray burst nucleosynthesis via the $^{22}$Mg($α$,$p$)$^{25}$Al reaction

H.¹,

Avila²,

Rehm³

et al. 2022

Preprint

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The 22 Mg(α,p) 25 Al reaction rate has been identified as a major source of uncertainty for understanding the nucleosynthesis flow in Type-I x-ray bursts (XRBs). We report a direct measurement of the energy-and angle-integrated cross sections of this reaction in a 3.3-6.9 MeV center-of-mass energy range using the MUlti-Sampling Ionization Chamber (MUSIC). The new 22 Mg(α,p) 25 Al reaction rate is a factor of ∼4 higher than the previous direct measurement of this reaction within temperatures relevant for XRBs, resulting in the 22 Mg waiting point of x-ray burst nucleosynthesis flow to be significantly bypassed via the (α, p) reaction.

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confidence: 99%

Study of the $^{22}$Mg waiting point relevant for x-ray burst nucleosynthesis via the $^{22}$Mg($α$,$p$)$^{25}$Al reaction

H.¹,

Avila²,

Rehm³

et al. 2022

Preprint

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The rate of the astrophysical 48Cr(p,γ)49Mn reaction and its influence on the potential A = 48 waiting point in the rp process

O'Shea,

Lotay,

Doherty

et al. 2024

Physics Letters B

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Study of the Mg22 Waiting Point Relevant for X-Ray Burst Nucleosynthesis via the Mg<

Jayatissa,

Avila,

Rehm

et al. 2023

Phys. Rev. Lett.

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Single neutron transfer on 23Ne and its relevance for the pathway of nucleosynthesis in astrophysical X-ray bursts

Cited by 3 publications

References 50 publications

Study of the $^{22}$Mg waiting point relevant for x-ray burst nucleosynthesis via the $^{22}$Mg($α$,$p$)$^{25}$Al reaction

Study of the $^{22}$Mg waiting point relevant for x-ray burst nucleosynthesis via the $^{22}$Mg($α$,$p$)$^{25}$Al reaction

The rate of the astrophysical 48Cr(p,γ)49Mn reaction and its influence on the potential A = 48 waiting point in the rp process

Study of the Mg22 Waiting Point Relevant for X-Ray Burst Nucleosynthesis via the Mg<

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Single neutron transfer on 23Ne and its relevance for the pathway of nucleosynthesis in astrophysical X-ray bursts

Cited by 3 publications

References 50 publications

Study of the $^{22}$Mg waiting point relevant for x-ray burst nucleosynthesis via the $^{22}$Mg($α$,$p$)$^{25}$Al reaction

Study of the $^{22}$Mg waiting point relevant for x-ray burst nucleosynthesis via the $^{22}$Mg($α$,$p$)$^{25}$Al reaction

The rate of the astrophysical 48Cr(p,γ)49Mn reaction and its influence on the potential A = 48 waiting point in the rp process

Study of the Mg22 Waiting Point Relevant for X-Ray Burst Nucleosynthesis via the Mg<

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The rate of the astrophysical 48Cr(p,γ)49Mn reaction and its influence on the potential A = 48 waiting point in the rp process