Measurement E151M590

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:	0.3798
Q²:	0.2915 GeV²
W:	1445.0 GeV
E_beam:	1.9889 GeV
ε:	0.8315

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.65	90.0	0.3038	0.8288
0.65	102.0	0.5485	0.7005
0.65	114.0	-0.47	0.7085
0.65	246.0	0.0243	0.6701
0.75	90.0	0.9176	0.7541
0.75	102.0	-0.952	0.5801
0.75	126.0	-1.2314	0.5372
0.75	222.0	-0.2779	0.7176
0.75	234.0	-1.1499	0.4581
0.75	246.0	0.7519	0.7425
0.75	258.0	0.9175	0.7091
0.85	66.0	-0.1813	0.5733
0.85	114.0	-0.1558	0.6801
0.85	126.0	-0.508	0.6439
0.85	222.0	-0.4276	0.6628
0.85	234.0	0.8115	0.6631
0.85	246.0	0.9772	0.6835
0.85	258.0	-1.4498	0.4955
0.85	270.0	0.821	0.657
0.85	282.0	-1.0776	0.4994
0.85	294.0	0.0286	0.6702
0.95	66.0	0.8505	0.6715
0.95	258.0	0.1258	0.6504
0.95	282.0	0.5411	0.5681

CLAS Physics Database