Boron depletion in Galactic early B-type stars reveals two different main sequence star populations

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Table B.1.

Thermonuclear reactions in STERN nuclear network and corresponding handles in MESA

No.	Reaction	MESA	No.	Reaction	MESA
1	$^{1} H {(p, β^{+} ν_{e})}^{2} H {(p, γ)}^{3} He$ $^{1}\mathrm{H}\left(\mathrm{p},\beta^{+}\nu_{\mathrm{e}}\right)^{2}\mathrm{H}(\mathrm{p},\gamma)^{3}\mathrm{He}$	rpp_to_he3	41	$^{17} O (α, n)^{20} Ne$ ${ }^{17} \rm O (\alpha, n) { }^{20} \mathrm{Ne}$	r_o17_an_ne20
2	³He(³He,2p)⁴He	r_he3_he3_to_h1_h1_he4	42	¹⁸O(p, γ)¹⁹F	r_o18_pg_f19
3	$^{3} He {(α, γ)}^{7} Be {(β^{+} ν_{e})}^{7} Li$ $^{3}\mathrm{He}(\alpha,\gamma)^{7}\mathrm{Be}\left(\beta^{+}\nu_{\mathrm{e}}\right)^{7}\mathrm{Li}$	r_he3_ag_be7, r_be7_wk_li7	43	$^{18} O (p, α)^{15} N$ ${ }^{18} \rm O (p, \alpha) { }^{15} \mathrm{N}$	r_o18_pa_n15
4	⁴He(α, γ)⁸Be(α, γ)¹²C	r_he4_he4_he4_to_c12	44	$^{18} O (α, γ)^{22} Ne$ ${ }^{18} \rm O (\alpha, \gamma){ }^{22} \mathrm{Ne}$	r_o18_ag_ne22
5	⁶Li(p, α)³He	r_li6_pa_he3	45	¹⁹F(p, γ)²⁰Ne	r_f19_pg_ne20
6	⁷Li(p, α)⁴He	r_li7_pa_he4	46	¹⁹F(p, α)¹⁶O	r_f19_pa_o16
7	⁷Li(α, γ)¹¹B	r_li7_ag_b11	47	²⁰Ne(γ,α)¹⁶O	r_ne20_ga_o16
8	$^{7} Be {(β^{+} ν_{e})}^{7} Li$ $^{7}\mathrm{Be}\left(\beta^{+}\nu_{\mathrm{e}}\right)^{7}\mathrm{Li}$	r_be7_wk_li7	48	²⁰Ne(n,γ)²¹Ne	r_ne20_ng_ne21
9	⁷Be(³He,2p)⁴He + ⁴He	r_he3_be7_to_h1_h1_he4_he4	49	²⁰Ne(p, γ)²¹Na(β⁺ν_e)²¹Ne	r_ne20_pg_na21, r_na21_wk_ne21
10	⁷Be(p, γ)⁸B	r_be7_pg_b8	50	²⁰Ne(α, γ)²⁴Mg	r_ne20_ag_mg24
11	⁷Be(α, γ)¹¹C	r_be7_ag_c11	51	²¹Ne(p, γ)²²Na(β⁺ν_e)²²Ne	r_ne21_pg_na22, r_na21_wk_ne21
12	⁹Be(p,²H)⁴He + ⁴He	r_h1_be9_to_h2_he4_he4	52	²¹Ne(n, γ)²²Ne	r_ne21_ng_ne22
13	⁹Be(p, α)⁶Li	r_be9_pa_li6	53	²¹Ne(α, γ)²⁵Mg	r_ne21_ag_mg25
14	$^{8} B {(β^{+} ν_{e})}^{4} He +^{4} He$ $^{8}\mathrm{B}\left(\beta^{+}\nu_{\mathrm{e}}\right)^{4}\mathrm{He}+^{4}\mathrm{He}$	r_b8_wk_he4_he4	54	²¹Ne(α, n)²⁴Mg	r_ne21_an_mg24
15	⁸B(α, p)¹¹C	r_b8_ap_c11	55	²²Ne(p, γ)²³Na	r_ne22_pg_na23
16	⁸B(γ, p)⁷Be	r_b8_gp_be7	56	²²Ne(p, α)¹⁹F	r_ne22_pa_f19
17	¹⁰B(p, α)⁷Be	r_b10_pa_be7	57	²²Ne(α, γ)²⁶Mg	r_ne22_ag_mg26
18	¹¹B(p, γ)¹²C	r_b11_pg_c12	58	²²Ne(α, n)²⁵Mg	r_ne22_an_mg25
19	¹¹B(p, α)⁴He + ⁴He	r_h1_b11_to_he4_he4_he4	59	²³Na(p, γ)²⁴Mg	r_na23_pg_mg24
20	$^{11} C {(β^{+} ν_{e})}^{11} B$ $^{11}\mathrm{C}\left(\beta^{+}\nu_{\mathrm{e}}\right)^{11}\mathrm{B}$	r_c11_wk_b11	60	²³Na(p, α)²⁰Ne	r_na23_pa_ne20
21	¹¹C(p, γ)¹²N(β⁺ν_e)¹²C	r_c11_pg_n12, r_n12_wk_c12	61	²⁴Mg(p, γ)²⁵Al(β⁺ν_e)²⁵Mg	r_mg24_pg_al25, r_al25_wk_mg25
22	¹²C(p, γ)¹³N(β⁺ν_e)¹³C	rc12_to_c13	62	²⁴Mg(n, γ)²⁵Mg	r_mg24_ng_mg25
23	¹²C(α, γ)¹⁶O	r_c12_ag_o16	63	²⁴Mg(α, γ)²⁸Si	r_mg24_ag_si28
24	¹²C(¹²C,p)²³Na	r_c12_c12_to_h1_na23	64	²⁵Mg(p, γ)²⁶Al	r_mg25_pg_al26-1
25	¹²C(¹²C,α)²⁰Ne	r_c12_c12_to_he4_ne20	65	²⁵Mg(p, γ)²⁶Al^*(β⁺ν_e)²⁶Mg	r_mg25_pg_al26-2, r_al26-2_wk_mg26
26	¹²C(n, γ)¹³C	r_c12_ng_c13	66	²⁵Mg(n, γ)²⁶Mg	r_mg25_ng_mg26
27	¹³C(p, γ)¹⁴N	r_c13_pg_n14	67	²⁵Mg(α, γ)²⁹Si	r_mg25_ag_si29
28	¹³C(α, n)¹⁶O	r_c13_an_o16	68	²⁵Mg(α, n)²⁸Si	r_mg25_an_si28
29	¹²N(β⁺ν_e)¹²C	r_n12_wk_c12	69	²⁶Mg(p, γ)²⁷Al	r_mg26_pg_al27
30	¹⁴N(p, γ)¹⁵O(β⁺ν_e)¹⁵N	rn14_to_n15	70	²⁶Mg(α, γ)³⁰Si	r_mg26_ag_si30
31	¹⁴N(α, γ)¹⁸F(β⁺ν_e)¹⁸O	rn14ag_to_o18	71	²⁶Mg(α, n)²⁹Si	r_mg26_an_si29
32	¹⁵N(p, α)¹²C	r_n15_pa_c12	72	²⁶Al(β⁺ν_e)²⁶Mg	r_al26-1_wk_mg26
33	¹⁵N(p, γ)¹⁶O	r_n15_pg_o16	73	²⁶Al(p, γ)²⁷Si(β⁺ν_e)²⁷Al	r_al26-1_pg_si27, r_si27_wk_al27
34	¹⁵N(α, γ)¹⁹F(α, γ)²³Na	r_n15_ag_f19, r_f19_ag_na23	74	²⁷Al(p, γ)²⁸Si	r_al27_pg_si28
35	¹⁶O(p, γ)¹⁷F(β⁺ν_e)¹⁷O	ro16_to_o17	75	²⁷Al(p, α)²⁴Mg	r_al27_pa_mg24
36	¹⁶O(α, γ)²⁰Ne	r_o16_ag_ne20	76	²⁸Si(n, γ)²⁹Si	r_si28_ng_si29
37	¹⁶O(¹²C,α)²⁴Mg	r_c12_o16_to_he4_mg24	77	²⁹Si(n, γ)³⁰Si	r_si29_ng_si30
38	¹⁶O(¹⁶O,α)²⁸Si	r_o16_o16_to_he4_si28
39	¹⁷O(p, γ)¹⁸F(β⁺ν_e)¹⁸O	ro17_to_o18
40	¹⁷O(p, α)¹⁴N	r_o17_pa_n14

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