Measurement E151M2942

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_LU
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_LU	uncertainty
0.25	66.0	-0.2029	0.227
0.35	66.0	0.4545	0.2306
0.55	282.0	-0.4178	0.2271
0.65	270.0	-0.0752	0.2365
0.65	282.0	-0.4155	0.1944
0.65	294.0	0.1266	0.2613
0.75	78.0	-0.3885	0.2888
0.75	90.0	-0.0711	0.2274
0.75	102.0	0.2054	0.2329
0.75	258.0	-0.2003	0.2496
0.75	270.0	0.1688	0.259
0.75	282.0	-0.1577	0.2409
0.75	294.0	-0.2391	0.2566
0.85	66.0	0.3843	0.2521
0.85	78.0	-0.141	0.2047
0.85	90.0	-0.233	0.2831
0.85	102.0	-0.1244	0.251
0.85	114.0	-0.0092	0.2483
0.85	246.0	0.1195	0.2633
0.85	258.0	-0.2441	0.2597
0.85	270.0	-0.585	0.229
0.85	282.0	0.2177	0.2178
0.85	294.0	0.094	0.2365
0.95	90.0	0.2547	0.2352
0.95	126.0	0.0541	0.2362
0.95	150.0	-0.1563	0.2876
0.95	294.0	-0.4215	0.2307

CLAS Physics Database