Measurement E151M326

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:	0.3394
Q²:	0.205 GeV²
W:	1385.0 GeV
E_beam:	1.3383 GeV
ε:	0.7262

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.65	234.0	-0.1284	0.6796
0.65	246.0	-0.0583	0.8523
0.65	258.0	0.5242	0.5493
0.75	114.0	0.1277	1.1055
0.75	126.0	-0.1839	0.9347
0.75	234.0	-1.5136	0.4198
0.75	246.0	-1.0407	0.5469
0.75	258.0	0.6924	0.9464
0.85	114.0	0.0129	1.0548
0.85	138.0	0.0246	1.0556
0.85	246.0	-0.5667	0.7632
0.85	258.0	-0.8304	0.646
0.85	270.0	0.4247	0.9211
0.85	282.0	-0.8851	0.6343
0.85	294.0	-0.3967	0.7653
0.95	66.0	0.4964	1.0938
0.95	270.0	-0.3119	0.6787
0.95	282.0	-0.8045	0.5414
0.95	294.0	-0.4277	0.5993
0.65	270.0	-0.3756	0.6393
0.75	114.0	0.1209	0.7061
0.75	126.0	1.7098	0.6919
0.75	234.0	-0.7387	0.5916
0.75	246.0	-0.4539	0.5821
0.75	258.0	0.3309	0.6316
0.75	270.0	0.3743	0.6417
0.75	282.0	-0.2615	0.7008
0.85	114.0	1.0243	0.6751
0.85	126.0	-1.8155	0.5143
0.85	150.0	0.3446	0.6729
0.85	234.0	0.3312	0.6345
0.85	258.0	0.5887	0.6025
0.85	270.0	-0.6567	0.5472
0.85	282.0	-0.9332	0.5192
0.85	294.0	0.7886	0.6374
0.95	90.0	-0.1489	0.6068
0.95	282.0	-0.7066	0.4555
0.95	294.0	-0.3749	0.5449

CLAS Physics Database