Measurement E151M399

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:	0.1204
Q²:	0.1205 GeV²
W:	1505.0 GeV
E_beam:	1.3383 GeV
ε:	0.6429

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.55	222.0	1.2625	0.6283
0.65	126.0	1.0608	0.6562
0.65	138.0	-1.0915	0.5889
0.65	222.0	-0.1199	0.5888
0.65	234.0	0.9181	0.5508
0.65	246.0	-0.1866	0.4672
0.75	126.0	-0.9762	0.4943
0.75	138.0	-0.3685	0.6187
0.75	222.0	0.4967	0.4671
0.75	246.0	0.397	0.6071
0.85	234.0	-0.0708	0.4832
0.85	246.0	-0.0421	0.5029
0.85	258.0	0.995	0.5326
0.95	270.0	0.2314	0.5358
0.55	234.0	-0.5151	0.7351
0.65	210.0	0.2651	0.9221
0.65	222.0	1.6956	1.2101
0.65	234.0	-0.0979	0.7677
0.65	246.0	-0.8779	0.5415
0.75	138.0	-1.2045	0.5645
0.75	258.0	0.4628	0.8598
0.85	222.0	-0.7198	0.6052
0.85	234.0	-0.1065	0.7302
0.85	246.0	1.9411	0.9377
0.85	258.0	0.2708	0.8354
0.95	246.0	0.431	0.8979
0.95	270.0	-0.2816	0.6932

CLAS Physics Database