Measurement E151M3106

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:	0.1221
Q²:	0.1435 GeV²
W:	1595.0 GeV
E_beam:	1.9889 GeV
ε:	0.7892

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.65	114.0	-0.1998	0.2369
0.65	234.0	-0.5384	0.2407
0.65	294.0	-0.1312	0.2439
0.75	114.0	-0.0965	0.2548
0.75	222.0	0.1883	0.2087
0.75	234.0	0.0878	0.2679
0.75	246.0	0.0778	0.2588
0.85	102.0	0.3622	0.2347
0.85	114.0	-0.0806	0.2801
0.85	222.0	0.042	0.222
0.85	234.0	0.1586	0.256
0.85	246.0	0.2871	0.2584
0.95	222.0	0.0491	0.2442
0.95	246.0	0.1009	0.22
0.95	258.0	0.0059	0.2325

CLAS Physics Database