Measurement E151M3192

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:	0.869
Q²:	0.2445 GeV²
W:	1265.0 GeV
E_beam:	2.2596 GeV
ε:	0.9385

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.55	282.0	0.3263	0.2368	0.0307
0.65	282.0	-0.2356	0.2576	0.0304
0.75	90.0	0.3306	0.2407	0.0307
0.75	102.0	0.056	0.2556	0.03
0.75	270.0	-0.4328	0.2403	0.0312
0.75	282.0	-0.2739	0.2243	0.0305
0.75	294.0	-0.4832	0.2483	0.0315
0.85	270.0	0.1524	0.2429	0.0302
0.85	282.0	-0.0703	0.2167	0.03
0.85	294.0	-0.1739	0.2097	0.0302
0.95	78.0	-0.1878	0.2462	0.0302
0.95	102.0	0.2305	0.0301	None
0.25	66.0	0.2511	0.2517	0.0304
0.65	270.0	-0.0616	0.2331	0.03
0.65	282.0	0.0127	0.2329	0.03
0.75	78.0	-0.5035	0.2102	0.0316
0.75	90.0	0.1493	0.2411	0.0301
0.75	270.0	-0.0326	0.2211	0.03
0.75	282.0	-0.0768	0.2244	0.03
0.85	78.0	-0.1309	0.2486	0.0301
0.85	90.0	0.2077	0.2105	0.0303
0.85	102.0	-0.1001	0.2362	0.0301
0.85	114.0	0.2888	0.2515	0.0306
0.85	246.0	0.1581	0.2169	0.0302
0.85	258.0	-0.0406	0.2468	0.03
0.85	282.0	0.1509	0.2206	0.0302
0.95	270.0	-0.1171	0.2616	0.0301

CLAS Physics Database