Measurement E151M411

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:	0.0424
Q²:	0.0415 GeV²
W:	1535.0 GeV
E_beam:	1.3383 GeV
ε:	0.6677

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.55	138.0	-1.2036	0.5679
0.55	210.0	0.5241	0.7166
0.55	222.0	0.8433	0.647
0.55	234.0	1.0138	0.6224
0.55	246.0	1.2036	0.5438
0.65	138.0	-0.8396	0.5916
0.65	150.0	-0.6076	0.5951
0.65	162.0	-1.0004	0.655
0.65	222.0	-0.2844	0.5332
0.65	234.0	-0.2387	0.5376
0.65	246.0	1.048	0.666
0.75	222.0	2.0519	0.4788
0.75	234.0	-0.4797	0.5544
0.75	246.0	-1.0809	0.5432
0.85	126.0	-0.493	0.6898
0.85	210.0	-0.1744	0.6865
0.85	222.0	0.1038	0.6209
0.85	234.0	1.2071	0.486
0.85	246.0	0.4356	0.5083
0.45	30.0	2.0265	1.3716
0.45	234.0	3.7071	3.7071
0.55	126.0	-1.5355	0.5582
0.55	138.0	-0.8833	0.7128
0.55	210.0	2.2368	1.2179
0.55	222.0	0.4479	1.0131
0.55	234.0	-0.873	0.634
0.55	246.0	-0.1481	0.7639
0.65	150.0	-1.3831	0.623
0.65	210.0	0.8361	0.9997
0.65	222.0	0.176	1.0049
0.65	234.0	0.1238	0.861
0.65	246.0	-0.041	0.9635
0.75	162.0	-0.8389	0.7495
0.75	210.0	-0.9948	0.6849
0.75	222.0	0.2149	0.9969
0.75	234.0	-0.386	0.6704
0.75	246.0	1.2433	1.0834
0.85	210.0	-0.748	0.6316
0.85	222.0	0.5734	0.8285
0.85	234.0	-1.3738	0.4159
0.85	246.0	0.1862	0.7266
0.85	258.0	0.4152	1.1299
0.95	234.0	0.4108	1.0052
0.95	246.0	-0.022	0.8179

CLAS Physics Database