Measurement E151M3180

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:	0.868
Q²:	0.1715 GeV²
W:	1235.0 GeV
E_beam:	2.2596 GeV
ε:	0.9577

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.55	78.0	0.065	0.2586
0.55	270.0	0.0016	0.2608
0.55	282.0	0.1396	0.1627
0.65	282.0	0.0938	0.2479
0.75	90.0	-0.0151	0.2652
0.75	270.0	0.0926	0.249
0.75	282.0	-0.2042	0.2495
0.85	90.0	-0.02	0.2608
0.85	102.0	0.4399	0.1878
0.95	114.0	0.1159	0.2577
0.95	126.0	0.1071	0.2392
0.95	138.0	0.1424	0.2678
0.55	294.0	-0.2691	0.2511
0.65	270.0	-0.05	0.2185
0.65	282.0	-0.0403	0.2181
0.75	270.0	-0.1549	0.2407
0.75	282.0	-0.0728	0.2269
0.85	90.0	-0.0566	0.2212
0.85	102.0	0.0306	0.2296
0.85	114.0	0.0343	0.2397
0.85	270.0	0.1496	0.2509
0.85	282.0	-0.3083	0.2462
0.95	90.0	-0.2562	0.244
0.95	102.0	-0.2078	0.2344
0.95	114.0	-0.5012	0.1894
0.95	126.0	-0.3124	0.2184

CLAS Physics Database