Measurement E151M3018

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:	0.4355
Q²:	0.2915 GeV²
W:	1415.0 GeV
E_beam:	1.9889 GeV
ε:	0.8474

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.25	66.0	-0.3788	0.2413
0.35	294.0	0.0767	0.2831
0.65	102.0	0.08	0.2433
0.65	258.0	0.024	0.228
0.75	90.0	-0.171	0.2516
0.75	102.0	0.3362	0.2141
0.75	114.0	-0.5095	0.2171
0.75	246.0	0.1658	0.249
0.75	258.0	-0.2824	0.2564
0.75	270.0	-0.4369	0.2248
0.75	282.0	-0.0075	0.3141
0.85	90.0	0.2321	0.2543
0.85	102.0	0.0897	0.2439
0.85	114.0	0.2645	0.2205
0.85	234.0	0.1341	0.2723
0.85	246.0	-0.4749	0.2275
0.85	258.0	-0.2513	0.2373
0.85	270.0	-0.1997	0.2353
0.85	282.0	0.2647	0.1812
0.85	294.0	0.1049	0.2703
0.85	306.0	-0.1746	0.2566
0.95	234.0	-0.3507	0.2445
0.95	270.0	0.0533	0.2459
0.95	282.0	0.1173	0.2574
0.95	294.0	0.072	0.2466
0.95	306.0	-0.2493	0.2586

CLAS Physics Database