Constraining the dark energy models using baryon acoustic oscillations: An approach independent of H0 ⋅ rd

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Table 3.

Constraints at 68% confidence-level errors on the cosmological parameters for the different tested models for the two BAO-only datasets: BAO and BAO_θ.

Model	Ω_m	Ω_K	w₀	w_a	ΔAIC	ΔBIC	ΔDIC	ln(BF)
BAO

LCDM	0.314 ± 0.014	–	–	–	0	0	0	0
wCDM	0.292 ± 0.027	–	−0.658 ± 0.119	–	−1.184	−2.228	0.810	1.693
wwaCDM	0.314 ± 0.053	–	−0.644 ± 0.135	−0.181 ± 0.3	−3.062	−5.151	0.869	0.375
OkLCDM	0.321 ± 0.015	−0.061 ± 0.053	–	–	−3.007	−4.052	−1.216	−0.835
Linear	0.315 ± 0.051	–	−0.63 ± 0.127	−0.196 ± 0.293	−2.995	−5.084	0.930	0.241
CPL	0.293 ± 0.054	–	−0.662 ± 0.173	−0.061 ± 0.606	−3.299	−5.388	0.600	1.267
Log	0.308 ± 0.046	–	−0.651 ± 0.149	0.153 ± 0.376	−3.142	−5.231	0.786	0.639
pEDE	0.31 ± 0.015	–	–	–	0.717	0.717	0.486	−3.796
gEDE	0.311 ± 0.016	–	−0.278 ± 0.209	0.290	−1.728	−2.773	0.161	−1.900
BAO_θ

LCDM	0.325 ± 0.057	–	–	–	0	0	0	0
wCDM	0.324 ± 0.064	–	−0.929 ± 0.356	–	−1.837	−2.545	0.113	−0.545
wwaCDM	0.319 ± 0.058	–	−0.89 ± 0.43	−0.314 ± 0.73	−3.916	−5.332	0.067	−0.538
OkLCDM	0.327 ± 0.053	0.038 ± 0.181	–	–	−2.075	−2.783	−0.084	0.092
Linear	0.324 ± 0.064	–	−0.872 ± 0.449	−0.337 ± 0.963	−3.821	−5.237	0.118	−0.467
CPL	0.327 ± 0.063	–	−0.854 ± 0.438	−0.448 ± 0.932	−3.791	−5.207	0.141	−0.628
Log	0.316 ± 0.066	–	−1.07 ± 0.432	−0.527 ± 0.97	−3.853	−5.269	0.094	−0.597
pEDE	0.341 ± 0.051	–	–	–	0.165	0.165	0.114	−0.332
gEDE	0.343 ± 0.044	–	−0.877 ± 0.693	0.214	−1.916	−2.624	0.060	−0.184

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