Sterile Neutrino Fits to Short-Baseline Neutrino Oscillation Measurements

Table 2

The 𝜒² values, degrees of freedom (dof), and probabilities associated with the best-fit and null hypothesis in each scenario. Also shown are the results from the parameter goodness-of-fit tests. 𝑃_best refers to the 𝜒²-probability at the best-fit point and 𝑃_null refers to the 𝜒²-probability at null.

	𝜒^2min (dof)	𝜒^2null (dof)	𝑃best	𝑃null	𝜒^2PG (dof)	PG (%)
3+1
All	233.9 (237)	286.5 (240)	55%	2.1%	54.0 (24)	0.043%
App	87.8 (87)	147.3 (90)	46%	0.013%	14.1 (9)	12%
Dis	128.2 (147)	139.3 (150)	87%	72%	22.1 (19)	28%
𝜈	123.5 (120)	133.4 (123)	39%	25%	26.6 (14)	2.2%
𝜈	94.8 (114)	153.1 (117)	90%	1.4%	11.8 (7)	11%
App versus Dis	—	—	—	—	17.8 (2)	0.013%
𝜈 versus 𝜈	—	—	—	—	15.6 (3)	0.14%
3+2
All	221.5 (233)	286.5 (240)	69%	2.1%	63.8 (52)	13%
App	75.0 (85)	147.3 (90)	77%	0.013%	16.3 (25)	90%
Dis	122.6 (144)	139.3 (150)	90%	72%	23.6 (23)	43%
𝜈	116.8 (116)	133.4 (123)	77%	25%	35.0 (29)	21%
𝜈	90.8 (110)	153.1 (117)	90%	1.4%	15.0 (16)	53%
App versus Dis	—	—	—	—	23.9 (4)	0.0082%
𝜈 versus 𝜈	—	—	—	—	13.9 (7)	5.3%
3+3
All	218.2 (228)	286.5 (240)	67%	2.1%	68.9 (85)	90%
App	70.8 (81)	147.3 (90)	78%	0.013%	17.6 (45)	100%
Dis	120.3 (141)	139.3 (150)	90%	72%	24.1 (34)	90%
𝜈	116.7 (111)	133.4 (123)	34%	25%	39.5 (46)	74%
𝜈	90.6 (105)	153 (117)	84%	1.4%	18.5 (27)	89%
App versus Dis	—	—	—	—	27.1 (6)	0.014%
𝜈 versus 𝜈	—	—	—	—	10.9 (12)	53%