Measurement E151M810

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:	0.3306
Q²:	0.1715 GeV²
W:	1415.0 GeV
E_beam:	2.2596 GeV
ε:	0.9156

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.25	66.0	0.4919	0.6303
0.35	66.0	0.4536	0.5714
0.45	282.0	0.077	0.5939
0.65	90.0	0.78	0.7216
0.65	102.0	-0.1881	0.6001
0.65	114.0	0.3766	0.5949
0.65	246.0	0.605	0.6399
0.65	258.0	0.6792	0.7065
0.65	270.0	-0.6948	0.6244
0.75	90.0	-0.035	0.5318
0.75	102.0	-0.166	0.5188
0.75	114.0	1.0517	0.6045
0.75	126.0	-0.0211	0.6555
0.75	222.0	-0.1014	0.6962
0.75	234.0	-0.0872	0.5959
0.75	246.0	1.6315	0.5876
0.75	258.0	-1.6054	0.4149
0.75	270.0	0.1783	0.6581
0.85	78.0	-0.7721	0.5685
0.85	102.0	0.7655	0.5827
0.85	114.0	-0.8719	0.5289
0.85	126.0	0.7337	0.7472
0.85	138.0	-1.0483	0.601
0.85	234.0	1.0348	0.856
0.85	246.0	-1.0524	0.5691
0.85	258.0	1.3047	0.6315
0.85	270.0	-0.3908	0.5454
0.85	282.0	0.3041	0.5121
0.85	294.0	0.5076	0.7305
0.95	234.0	-0.121	1.2049
0.95	246.0	0.795	1.0172
0.95	258.0	-1.1318	0.8269
0.95	270.0	0.4117	0.9823
0.95	282.0	0.8372	0.8322
0.95	294.0	-0.4083	0.9138
0.25	294.0	-0.9678	0.7125
0.35	66.0	-0.3582	0.9253
0.45	78.0	1.2178	1.0754
0.45	294.0	0.0969	0.8376
0.65	102.0	0.8483	1.093
0.65	114.0	0.2808	1.0213
0.65	246.0	-0.323	0.9499
0.65	258.0	0.2688	0.7381
0.75	90.0	-1.3327	0.9085
0.75	102.0	-1.1491	0.8569
0.75	114.0	-0.2982	0.9613
0.75	126.0	0.5613	1.0708
0.75	234.0	-0.597	0.9095
0.75	246.0	1.32	0.9638
0.75	270.0	-0.9384	0.8434
0.85	78.0	-0.6904	1.2336
0.85	102.0	1.8062	1.1884
0.85	114.0	-0.544	1.1841
0.85	126.0	-0.0224	1.215
0.85	234.0	1.0221	0.9949
0.85	258.0	0.5153	0.9524
0.85	270.0	1.117	0.9319
0.85	282.0	-0.3352	0.9855
0.95	246.0	0.8952	3.2529
0.95	282.0	0.1163	2.9622

CLAS Physics Database