Measurement E151M1551

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_LL
ε_L:	0.0277
Q²:	0.0121 GeV²
W:	1415.0 GeV
E_beam:	1.3383 GeV
ε:	0.8386

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty
0.55	222.0	-0.5024	0.5237
0.65	138.0	-1.4535	0.7126
0.65	222.0	-0.3258	0.7385
0.65	234.0	0.2726	0.6258
0.65	246.0	0.3698	0.7527
0.75	150.0	-0.6996	0.7959
0.75	222.0	0.5465	0.8356
0.75	234.0	-2.3025	2.3025
0.85	222.0	0.6082	0.8303
0.85	234.0	0.6327	0.8281
0.85	246.0	-0.3179	0.8045
0.55	234.0	2.145	0.6631
0.65	222.0	0.271	1.2298
0.65	234.0	-1.3386	0.9003
0.65	246.0	1.3998	0.7936
0.75	138.0	0.1879	1.1369
0.75	234.0	-0.9868	0.868
0.85	210.0	0.4119	1.0231
0.85	222.0	0.5768	0.9103
0.85	234.0	0.702	0.794
0.85	246.0	-0.8029	0.848

CLAS Physics Database