Crustal heating in accreting neutron stars from the nuclear energy-density functional theory - I. Proton shell effects and neutron-matter constraint

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Volume 620 (December 2018)

A&A, 620 (2018) A105

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Table A.4.

Non-equilibrium processes in the inner crust of an accreting NS assuming that the ashes of X-ray bursts consist of pure ⁵⁶Fe. ETF model with EDF BSk19.

P	ρ	Reactions	X_n	Δρ/ρ	μ_e	q
(dyn cm⁻²)	(g cm⁻³)				(MeV)	(keV)
9.30 × 10²⁹	4.75 × 10¹¹	⁵⁶Cl → ⁵⁴S + ΔN ⋅ n − e⁻ + ν_e	0.04	0.06	26.97	0
1.02 × 10³⁰	5.41 × 10¹¹	⁵⁴S → ⁵¹P + ΔN ⋅ n − e⁻ + ν_e	0.09	0.06	27.60	0
1.07 × 10³⁰	5.96 × 10¹¹	⁵¹P → ⁴⁸Si + ΔN ⋅ n − e⁻ + ν_e	0.14	0.07	27.90	0
1.12 × 10³⁰	6.58 × 10¹¹	⁴⁸Si → ⁴⁵Al + ΔN ⋅ n − e⁻ + ν_e	0.20	0.07	28.18	0
1.16 × 10³⁰	7.27 × 10¹¹	⁴⁵Al → ⁴²Mg + ΔN ⋅ n − e⁻ + ν_e	0.25	0.07	28.41	0
1.22 × 10³⁰	8.08 × 10¹¹	⁴²Mg → ³⁹Na + ΔN ⋅ n − e⁻ + ν_e	0.31	0.08	28.66	0
1.28 × 10³⁰	9.05 × 10¹¹	³⁹Na → ³⁶Ne + ΔN ⋅ n − e⁻ + ν_e	0.37	0.08	28.91	0
1.36 × 10³⁰	1.02 × 10¹²	³⁶Ne → ³²F + ΔN ⋅ n − e⁻ + ν_e	0.42	0.09	29.19	0

1.44 × 10³⁰	1.16 × 10¹²	³²F → ²⁹O + ΔN ⋅ n − e⁻ + ν_e
		²⁹O + ²⁹O → ⁵⁷S + ΔN ⋅ n	0.49	0.09	29.40	384.1

1.77 × 10³⁰	1.47 × 10¹²	⁵⁷S → ⁵⁴P + ΔN ⋅ n − e⁻ + ν_e	0.52	0.05	30.57	0
1.89 × 10³⁰	1.62 × 10¹²	⁵⁴P → ⁵⁰Si + ΔN ⋅ n − e⁻ + ν_e	0.55	0.05	30.86	0
2.04 × 10³⁰	1.79 × 10¹²	⁵¹Si → ⁴⁷Al + ΔN ⋅ n − e⁻ + ν_e	0.58	0.05	31.19	0
2.25 × 10³⁰	2.01 × 10¹²	⁴⁷Al → ⁴⁴Mg + ΔN ⋅ n − e⁻ + ν_e	0.61	0.05	31.63	0
2.50 × 10³⁰	2.27 × 10¹²	⁴⁴Mg → ⁴¹Na + ΔN ⋅ n − e⁻ + ν_e	0.63	0.05	32.09	0
2.82 × 10³⁰	2.60 × 10¹²	⁴¹Na → ³⁹Ne + ΔN ⋅ n − e⁻ + ν_e	0.66	0.05	32.59	0
3.25 × 10³⁰	3.00 × 10¹²	³⁹Ne → ³⁴F + ΔN ⋅ n − e⁻ + ν_e	0.69	0.04	33.13	0

3.84 × 10³⁰	3.53 × 10¹²	³⁴F → ³¹O + ΔN ⋅ n − e⁻ + ν_e
		³¹O + ³¹O → ⁶⁰S + ΔN ⋅ n	0.73	0.04	33.78	183.8

5.38 × 10³⁰	4.65 × 10¹²	⁶¹S → ⁵⁸P + ΔN ⋅ n − e⁻ + ν_e	0.74	0.02	35.58	0
6.24 × 10³⁰	5.26 × 10¹²	⁵⁸P → ⁵⁵Si + ΔN ⋅ n − e⁻ + ν_e	0.76	0.02	36.29	0
7.38 × 10³⁰	6.03 × 10¹²	⁵⁵Si → ⁵²Al + ΔN ⋅ n − e⁻ + ν_e	0.77	0.02	37.12	0
9.05 × 10³⁰	7.09 × 10¹²	⁵²Al → ⁴⁸Mg + ΔN ⋅ n − e⁻ + ν_e	0.78	0.02	38.22	0
1.13 × 10³¹	8.45 × 10¹²	⁴⁹Mg → ⁴⁵Na + ΔN ⋅ n − e⁻ + ν_e	0.80	0.01	39.44	0
1.51 × 10³¹	1.05 × 10¹³	⁴⁶Na → ⁴²Ne + ΔN ⋅ n − e⁻ + ν_e	0.81	0.01	41.20	0
2.12 × 10³¹	1.35 × 10¹³	⁴³Ne → ⁴⁰F + ΔN ⋅ n − e⁻ + ν_e	0.82	0.01	43.37	0

3.29 × 10³¹	1.87 × 10¹³	⁴¹F → ³⁷O + ΔN ⋅ n − e⁻ + ν_e
		³⁷O + ³⁷O → ⁷⁰S + ΔN ⋅ n	0.84	0.001	46.64	73.9

7.48 × 10³¹	3.34 × 10¹³	⁷⁴S → ⁷⁰P + ΔN ⋅ n − e⁻ + ν_e	0.84	0.003	54.46	0

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