Measurement E151M3333

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:	0.1135
Q²:	0.1205 GeV²
W:	1595.0 GeV
E_beam:	2.2596 GeV
ε:	0.8511

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.65	114.0	0.0129	0.2582
0.65	126.0	-0.0496	0.241
0.75	126.0	-0.1897	0.2551
0.75	138.0	-0.2164	0.2569
0.75	282.0	0.2893	0.251
0.75	294.0	-0.0512	0.2321
0.85	90.0	0.1612	0.2305
0.85	102.0	0.2389	0.2576
0.85	234.0	-0.2414	0.2197
0.65	222.0	0.0738	0.2483
0.75	210.0	-0.1585	0.2534
0.75	222.0	-0.048	0.2549
0.85	90.0	0.4343	0.2197
0.85	210.0	0.1743	0.2527
0.85	234.0	0.0581	0.2517
0.85	246.0	0.1486	0.2347

CLAS Physics Database