Measurement E151M2100

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:	0.1483
Q²:	0.1435 GeV²
W:	1565.0 GeV
E_beam:	2.2596 GeV
ε:	0.8604

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty
0.65	234.0	-0.1199	0.8982
0.75	114.0	0.8045	0.8866
0.75	210.0	0.3724	0.7921
0.75	222.0	-0.2685	0.8646
0.85	90.0	1.1041	1.0863
0.85	222.0	-0.2201	0.978
0.85	234.0	1.1242	0.8947
0.85	246.0	0.4806	0.9726
0.85	258.0	-0.0992	0.9682
0.55	126.0	-0.2039	0.8439
0.65	102.0	-1.1136	0.8348
0.65	126.0	-0.1258	0.8177
0.75	114.0	-0.3264	0.9732
0.75	222.0	-1.3655	0.9598
0.75	234.0	-0.036	0.9922
0.75	294.0	1.2457	0.7735
0.85	210.0	-0.4945	1.0612
0.85	222.0	-1.4666	0.9496
0.85	234.0	-0.7217	0.8339
0.85	246.0	-1.6636	0.833
0.85	258.0	0.236	1.0231
0.95	246.0	1.4325	1.4936
0.95	258.0	-1.3067	1.3309

CLAS Physics Database