Measurement E151M630

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:	0.1401
Q²:	0.1205 GeV²
W:	1535.0 GeV
E_beam:	1.9889 GeV
ε:	0.8411

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.25	66.0	0.3254	0.8114
0.25	78.0	1.1306	0.8483
0.25	294.0	0.016	0.7812
0.35	66.0	-0.5958	0.7297
0.35	282.0	1.0019	0.6716
0.45	78.0	0.7599	0.7492
0.45	114.0	0.2825	0.7039
0.45	270.0	0.4591	0.6543
0.45	282.0	-0.3482	0.5593
0.45	294.0	-0.0037	0.7148
0.55	114.0	0.6935	0.7174
0.55	234.0	0.5164	0.7086
0.55	246.0	1.9974	0.7901
0.55	270.0	0.8968	0.8385
0.55	282.0	0.5185	0.7331
0.65	66.0	0.9661	0.7174
0.65	102.0	-0.2695	0.6802
0.65	114.0	-0.6312	0.5743
0.65	126.0	-1.1286	0.5045
0.65	138.0	0.4982	0.855
0.65	150.0	0.8442	0.8297
0.65	198.0	-0.1717	0.7568
0.65	210.0	0.2591	0.7889
0.65	222.0	0.9395	0.6928
0.65	234.0	0.2458	0.5813
0.65	246.0	-0.1969	0.7117
0.65	294.0	-0.1482	0.6465
0.75	102.0	0.1837	0.8061
0.75	114.0	-0.8053	0.5422
0.75	126.0	-0.3109	0.575
0.75	138.0	-0.5662	0.5268
0.75	150.0	-0.2605	0.808
0.75	198.0	0.0458	0.6114
0.75	210.0	0.326	0.5929
0.75	222.0	-0.4348	0.4806
0.75	234.0	1.0381	0.5466
0.75	246.0	-0.547	0.6041
0.75	258.0	1.5333	0.8144
0.75	282.0	-0.0098	0.7161
0.75	294.0	0.1731	0.7084
0.85	90.0	0.4494	0.5753
0.85	102.0	-0.3724	0.7171
0.85	138.0	-0.1645	0.7543
0.85	198.0	1.4112	0.7303
0.85	210.0	1.2885	0.6172
0.85	222.0	0.2403	0.6533
0.85	234.0	0.5269	0.534
0.85	246.0	0.0362	0.5001
0.85	258.0	-0.7988	0.544
0.85	270.0	0.218	0.711
0.95	102.0	-1.3121	0.4787
0.95	114.0	-1.0542	0.4953
0.95	198.0	-0.0302	0.7094
0.95	210.0	0.8759	0.747
0.95	222.0	1.2411	0.5882
0.95	234.0	-0.1152	0.5161
0.95	246.0	1.0613	0.5654
0.95	258.0	0.8526	0.5465

CLAS Physics Database