Measurement E151M272

Experiment:	EG4
Year:	2016	Experiment comment: Final asymmetry results for the ep-> e pi+ (n) channel extracted from CLAS/EG4 data obtained using a longitudinally polarized beam and a longitudinally polarized NH3 target (CAA HS07-02).
Spokesperson:	Xiaochao Zheng
Reaction:	ep → π⁺n
Polarization:	beam (longitudinal), target (longitudinal)
Quantity:	A_UL
ε_L:	0.0579
Q²:	0.0143 GeV²
W:	1325.0 GeV
E_beam:	1.3383 GeV
ε:	0.9061

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.55	246.0	-0.4858	0.4899
0.55	258.0	-0.1377	0.5865
0.65	126.0	-0.7327	0.5671
0.65	138.0	0.8154	0.5569
0.65	150.0	-0.222	0.5143
0.65	222.0	-0.864	0.52
0.65	234.0	-0.1963	0.4425
0.65	246.0	0.0716	0.4096
0.65	258.0	-0.937	0.4602
0.75	138.0	-0.2955	0.4344
0.75	150.0	-0.4135	0.5635
0.75	174.0	-1.4476	0.411
0.75	222.0	0.5689	0.5106
0.75	234.0	-0.5591	0.3885
0.75	246.0	0.9102	0.438
0.75	258.0	-0.4155	0.5048
0.85	222.0	0.1392	0.4971
0.85	234.0	0.3645	0.4114
0.85	246.0	-0.427	0.3504
0.85	258.0	0.0452	0.4617
0.45	42.0	0.5585	1.0835
0.55	234.0	-0.2696	0.7197
0.55	246.0	0.2409	0.7265
0.55	258.0	-0.7722	0.618
0.65	138.0	1.3325	1.0058
0.65	210.0	-0.8072	0.6487
0.65	222.0	0.1632	0.7365
0.65	234.0	0.8771	0.7932
0.65	246.0	0.0045	0.5834
0.65	258.0	-0.7951	0.4715
0.75	138.0	1.6599	1.2537
0.75	150.0	-0.2873	0.7749
0.75	222.0	-0.5942	0.5515
0.75	234.0	-0.5987	0.4455
0.75	246.0	0.3136	0.5803
0.75	258.0	-0.1134	0.5773
0.85	222.0	1.3448	0.8327
0.85	234.0	0.4547	0.6872
0.85	246.0	-0.542	0.4539
0.85	258.0	1.9824	1.9824

CLAS Physics Database