Measurement E151M990

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:	0.3554
Q²:	0.1205 GeV²
W:	1355.0 GeV
E_beam:	2.999 GeV
ε:	0.9699

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.65	258.0	0.3467	0.8393	0.0393
0.65	270.0	-0.6393	0.6182	0.0555
0.75	90.0	0.0009	0.6389	0.03
0.75	102.0	-0.9225	0.6268	0.0738
0.75	114.0	1.4496	0.7485	0.1101
0.75	246.0	1.1486	0.6835	0.0892
0.75	258.0	-1.7378	0.3486	0.1305
0.75	270.0	-0.538	0.6316	0.0495
0.75	282.0	1.7128	0.8167	0.1287
0.85	90.0	0.6791	0.8567	0.058
0.85	102.0	0.3158	0.6199	0.0379
0.85	114.0	-0.3656	0.637	0.0402
0.85	126.0	2.1016	0.6119	0.1565
0.85	138.0	0.3393	0.7404	0.0389
0.85	222.0	-0.7051	0.5722	0.0596
0.85	234.0	-0.6994	0.5833	0.0593
0.85	246.0	-0.0139	0.5964	0.03
0.85	258.0	-0.1283	0.5307	0.0314
0.85	270.0	-0.385	0.5893	0.0411
0.85	282.0	0.753	0.6402	0.0627
0.95	102.0	0.2015	0.8456	0.0334
0.95	114.0	-0.2268	0.6367	0.0343
0.95	258.0	-0.2464	0.6183	0.035
0.95	270.0	0.5977	0.6219	0.053
0.95	282.0	-0.6551	0.5349	0.0565
0.95	294.0	0.2254	0.6903	0.0342

CLAS Physics Database