Measurement E151M69

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_UL
ε_L:	0.1094
Q²:	0.0245 GeV²
W:	1295.0 GeV
E_beam:	1.0539 GeV
ε:	0.8564

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.25	42.0	-0.2525	0.5788
0.25	54.0	0.5396	0.5055
0.35	30.0	1.4325	0.5863
0.35	42.0	0.1739	0.5376
0.35	54.0	-0.0946	0.5655
0.45	30.0	0.2893	0.5126
0.45	42.0	-0.2771	0.3966
0.45	54.0	0.5409	0.6721
0.45	258.0	-0.7407	0.5778
0.45	270.0	0.78	0.6431
0.55	42.0	-0.2107	0.4956
0.55	54.0	0.7545	0.6172
0.55	234.0	-0.2602	0.5047
0.55	246.0	-0.0077	0.405
0.55	258.0	0.5579	0.3779
0.55	270.0	-0.0299	0.4579
0.55	282.0	-1.3835	0.4553
0.65	138.0	0.2807	0.585
0.65	150.0	1.2476	0.5774
0.65	162.0	0.3193	0.6485
0.65	210.0	-0.5408	0.6237
0.65	222.0	-0.2019	0.523
0.65	234.0	0.3592	0.4348
0.65	246.0	0.2366	0.3496
0.65	258.0	0.4187	0.3177
0.65	270.0	0.33	0.3726
0.65	282.0	-0.5692	0.5758
0.75	138.0	-0.0843	0.4882
0.75	150.0	0.4784	0.4929
0.75	162.0	0.5217	0.5009
0.75	174.0	0.0818	0.5207
0.75	186.0	-0.0011	0.5365
0.75	198.0	0.475	0.6651
0.75	210.0	1.0699	0.6677
0.75	222.0	0.0579	0.5112
0.75	234.0	0.537	0.3857
0.75	246.0	-0.4165	0.31
0.75	258.0	0.1212	0.3242
0.75	270.0	-0.0153	0.3619
0.75	282.0	1.3282	0.6031
0.85	126.0	0.4602	0.7035
0.85	138.0	-0.2423	0.5445
0.85	150.0	0.6725	0.5058
0.85	162.0	-0.1144	0.5258
0.85	174.0	-0.1126	0.4782
0.85	186.0	0.8099	0.7084
0.85	210.0	0.5838	0.697
0.85	222.0	0.3843	0.5996
0.85	234.0	0.2365	0.3902
0.85	246.0	-0.2155	0.315
0.85	258.0	-0.0937	0.2997
0.85	270.0	0.7977	0.3911
0.85	282.0	0.0689	0.587

CLAS Physics Database