Measurement E151M3107

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:	0.1394
Q²:	0.1715 GeV²
W:	1595.0 GeV
E_beam:	1.9889 GeV
ε:	0.7773

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.55	114.0	-0.3541	0.2488	0.0308
0.65	114.0	0.0741	0.2719	0.03
0.75	114.0	0.5422	0.2133	0.0319
0.75	126.0	-0.0812	0.2659	0.03
0.75	210.0	-0.1305	0.24	0.0301
0.75	222.0	-0.0176	0.276	0.03
0.75	246.0	-0.1359	0.2458	0.0301
0.85	90.0	0.192	0.2135	0.0302
0.85	102.0	0.3533	0.2494	0.0308
0.85	234.0	-0.1959	0.2261	0.0303
0.85	246.0	-0.1984	0.2606	0.0303
0.85	258.0	0.3306	0.2433	0.0307
0.95	222.0	0.079	0.2672	0.03
0.95	234.0	-0.1669	0.2701	0.0302
0.95	258.0	-0.1714	0.2788	0.0302

CLAS Physics Database