Measurement E151M1720

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:	0.9096
Q²:	0.2915 GeV²
W:	1265.0 GeV
E_beam:	1.9889 GeV
ε:	0.9062

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty	syst. uncert.
0.25	66.0	-0.0298	0.5911	0.0301
0.35	66.0	0.708	0.6309	0.0523
0.55	282.0	-0.2457	0.6048	0.0335
0.65	270.0	-0.3429	0.5738	0.0365
0.65	282.0	0.7198	0.4954	0.0529
0.65	294.0	-0.155	0.6272	0.0314
0.75	78.0	1.7583	0.6051	0.1107
0.75	90.0	-0.0497	0.5779	0.0302
0.75	102.0	0.2989	0.6154	0.035
0.75	258.0	0.8787	0.5911	0.0611
0.75	270.0	0.3158	0.6276	0.0356
0.75	282.0	0.0297	0.5862	0.0301
0.75	294.0	-0.1438	0.6208	0.0312
0.85	66.0	1.1365	0.6034	0.0751
0.85	78.0	0.2993	0.5163	0.0351
0.85	90.0	0.0304	0.7502	0.0301
0.85	102.0	1.6335	0.5529	0.1034
0.85	114.0	-0.1707	0.6205	0.0317
0.85	246.0	0.1946	0.6296	0.0322
0.85	258.0	1.1176	0.5686	0.0741
0.85	270.0	-0.0681	0.646	0.0303
0.85	282.0	0.2609	0.5153	0.0339
0.85	294.0	0.9995	0.5099	0.0676
0.95	90.0	0.9639	0.5044	0.0657
0.95	126.0	0.1503	0.5359	0.0314
0.95	150.0	0.4561	0.6661	0.0408
0.95	294.0	-0.2234	0.5545	0.0329

CLAS Physics Database