Measurement E151M672

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:	0.0429
Q²:	0.0496 GeV²
W:	1625.0 GeV
E_beam:	1.9889 GeV
ε:	0.8052

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.35	30.0	0.2529	0.7721
0.35	66.0	-0.1597	0.7432
0.35	78.0	-0.3391	0.705
0.35	270.0	0.3284	0.7866
0.45	78.0	-0.6279	0.6352
0.45	90.0	-0.3183	0.8022
0.45	258.0	0.3029	0.7299
0.45	270.0	0.2558	0.5896
0.45	282.0	-0.1562	0.706
0.45	294.0	-0.4995	0.6454
0.55	78.0	-0.3142	0.7963
0.55	90.0	-0.5221	0.6571
0.55	102.0	-1.4909	0.6129
0.55	114.0	1.4252	0.8212
0.55	138.0	0.3357	0.7294
0.55	210.0	1.6455	0.7296
0.55	222.0	0.1716	0.7103
0.55	246.0	1.051	0.8486
0.55	258.0	-0.0428	0.6668
0.55	270.0	1.0784	0.5926
0.55	282.0	0.3752	0.6686
0.65	78.0	0.2377	0.8288
0.65	114.0	1.2905	0.849
0.65	126.0	-1.3888	0.4747
0.65	138.0	-0.7697	0.5933
0.65	150.0	-0.7341	0.7168
0.65	198.0	-0.1869	0.7874
0.65	210.0	1.0171	0.7855
0.65	222.0	1.1399	0.7558
0.65	234.0	-0.1445	0.6405
0.65	258.0	0.4096	0.7789
0.65	282.0	1.4177	0.6682
0.65	294.0	1.2828	0.779
0.75	66.0	-0.1059	0.7185
0.75	78.0	0.4237	0.7407
0.75	102.0	-1.9515	0.4726
0.75	126.0	0.032	0.7455
0.75	138.0	-0.3101	0.7507
0.75	198.0	1.1626	0.8442
0.75	210.0	0.2731	0.5946
0.75	222.0	-0.7999	0.5157
0.75	234.0	0.7338	0.6898
0.75	258.0	-0.3628	0.7764
0.75	270.0	-0.2368	0.5721
0.75	282.0	-0.0344	0.5394
0.75	294.0	0.2107	0.7221
0.85	102.0	1.4184	0.8935
0.85	114.0	-0.6658	0.5762
0.85	138.0	-1.5414	0.5611
0.85	198.0	1.7459	0.771
0.85	210.0	0.0686	0.5869
0.85	222.0	-0.0401	0.5433
0.85	234.0	1.1	0.7221
0.85	246.0	0.6278	0.7317

CLAS Physics Database