Measurement E151M1294

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_LL
ε_L:	0.1748
Q²:	0.0415 GeV²
W:	1295.0 GeV
E_beam:	1.0539 GeV
ε:	0.8393

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty	syst. uncert.
0.25	42.0	-1.2998	0.7468	0.1496
0.25	54.0	-1.027	0.8214	0.1197
0.35	30.0	-0.7834	0.7164	0.0933
0.35	42.0	-0.3466	0.7193	0.0493
0.45	30.0	-0.4455	0.8569	0.0585
0.45	42.0	0.2749	0.6826	0.0431
0.45	270.0	-0.7728	0.614	0.0922
0.55	246.0	0.0444	0.492	0.0304
0.55	258.0	0.0381	0.476	0.0303
0.55	270.0	-0.3927	0.4729	0.0535
0.55	282.0	-0.4538	0.7574	0.0593
0.65	138.0	0.4278	0.7692	0.0568
0.65	150.0	0.6676	0.8396	0.081
0.65	222.0	0.922	0.7204	0.1082
0.65	234.0	0.6691	0.5298	0.0812
0.65	246.0	-0.2282	0.4606	0.0395
0.65	258.0	0.6025	0.4021	0.0743
0.65	270.0	0.4666	0.4241	0.0606
0.65	282.0	0.5151	0.5676	0.0654
0.75	126.0	-0.6812	0.8178	0.0825
0.75	138.0	0.2391	0.6424	0.0403
0.75	150.0	1.2157	0.5579	0.1404
0.75	162.0	0.1136	0.5155	0.0326
0.75	174.0	0.0734	0.5878	0.0311
0.75	186.0	0.0678	0.6264	0.031
0.75	198.0	-0.5758	0.7674	0.0715
0.75	210.0	-0.6085	0.7185	0.0749
0.75	222.0	-0.3727	0.6435	0.0516
0.75	234.0	-0.0944	0.5459	0.0318
0.75	246.0	0.4843	0.4096	0.0623
0.75	258.0	0.0708	0.3729	0.031
0.75	270.0	-0.4353	0.4235	0.0575
0.75	282.0	-0.1907	0.5048	0.0369
0.85	126.0	-0.5381	0.7451	0.0677
0.85	138.0	0.5652	0.5848	0.0705
0.85	150.0	0.5968	0.488	0.0737
0.85	162.0	0.273	0.5883	0.043
0.85	174.0	0.3288	0.5205	0.0477
0.85	186.0	0.3431	0.6266	0.049
0.85	198.0	-0.0782	0.6606	0.0313
0.85	222.0	-0.1571	0.6447	0.0348
0.85	234.0	0.6202	0.4815	0.0761
0.85	246.0	0.5105	0.3997	0.0649
0.85	258.0	0.6419	0.3822	0.0784
0.85	270.0	-0.4742	0.3888	0.0613
0.85	282.0	1.463	0.514	0.1677
0.95	114.0	0.4576	0.5952	0.0597
0.95	138.0	-0.3363	0.587	0.0484
0.95	150.0	-0.0313	0.592	0.0302
0.95	162.0	0.322	0.6392	0.0471
0.95	186.0	0.3816	0.5612	0.0525
0.95	246.0	-0.8185	0.5022	0.0971

CLAS Physics Database