Measurement E151M3332

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:	0.0979
Q²:	0.101 GeV²
W:	1595.0 GeV
E_beam:	2.2596 GeV
ε:	0.8572

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.65	114.0	-0.3523	0.2404	0.0308
0.65	126.0	0.6545	0.2014	0.0327
0.65	210.0	-0.0815	0.2506	0.03
0.65	222.0	0.2546	0.2627	0.0304
0.75	126.0	0.3139	0.2442	0.0306
0.75	138.0	-0.2361	0.2635	0.0304
0.75	282.0	0.2022	0.258	0.0303
0.85	90.0	0.2546	0.2359	0.0304
0.85	210.0	-0.2037	0.245	0.0303
0.85	222.0	0.0571	0.2535	0.03
0.85	246.0	-0.0217	0.2399	0.03
0.35	282.0	-0.3054	0.25	0.0306
0.45	270.0	0.6353	0.1738	0.0326
0.45	282.0	-0.4963	0.2333	0.0316
0.55	270.0	0.3069	0.2441	0.0306
0.65	102.0	0.0945	0.25	0.0301
0.65	126.0	-0.4442	0.213	0.0313
0.75	126.0	0.187	0.2326	0.0302
0.75	210.0	0.2409	0.2313	0.0304
0.75	222.0	-0.2388	0.2255	0.0304
0.75	282.0	-0.0083	0.2644	0.03
0.75	294.0	0.343	0.2417	0.0308
0.85	90.0	0.0964	0.2203	0.0301
0.85	102.0	-0.3156	0.228	0.0307
0.85	114.0	0.3037	0.2408	0.0306
0.85	210.0	0.3711	0.2412	0.0309
0.85	222.0	-0.0624	0.2445	0.03
0.85	234.0	0.1907	0.2011	0.0302
0.85	246.0	-0.0046	0.2322	0.03
0.95	234.0	-0.0676	0.2438	0.03
0.95	246.0	-0.4141	0.2307	0.0311

CLAS Physics Database