Measurement E151M629

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:	0.1213
Q²:	0.101 GeV²
W:	1535.0 GeV
E_beam:	1.9889 GeV
ε:	0.8485

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.25	66.0	-0.5399	0.7375
0.35	66.0	-0.0605	0.7151
0.35	78.0	-0.5283	0.6741
0.35	282.0	1.5084	0.7018
0.35	294.0	1.5604	0.6859
0.45	78.0	0.4545	0.6916
0.45	90.0	-1.052	0.663
0.45	270.0	0.5074	0.6385
0.45	282.0	2.202	0.6679
0.45	294.0	-0.6045	0.5979
0.55	102.0	-0.3735	0.7766
0.55	114.0	-0.3628	0.6312
0.55	222.0	0.6333	0.8168
0.55	234.0	-0.2327	0.6617
0.55	246.0	0.0628	0.7524
0.55	258.0	1.1772	0.7938
0.55	270.0	-0.4913	0.5909
0.55	282.0	0.7253	0.7124
0.65	66.0	0.4249	0.7879
0.65	78.0	0.1401	0.808
0.65	102.0	0.136	0.7513
0.65	114.0	-0.9454	0.5078
0.65	126.0	0.0803	0.676
0.65	138.0	-0.7022	0.5554
0.65	210.0	1.6678	0.7908
0.65	222.0	1.6964	0.5947
0.65	234.0	1.0012	0.5965
0.65	294.0	0.6902	0.5767
0.65	306.0	-0.6206	0.6239
0.75	66.0	0.2829	0.7918
0.75	102.0	-0.2617	0.593
0.75	114.0	-0.19	0.5668
0.75	126.0	-0.3356	0.5387
0.75	138.0	-0.6467	0.4931
0.75	210.0	1.5836	0.8039
0.75	222.0	0.4953	0.5835
0.75	234.0	-0.0553	0.5133
0.75	246.0	1.2322	0.6282
0.75	282.0	-0.1471	0.681
0.75	294.0	-0.7737	0.5976
0.85	90.0	0.5476	0.6653
0.85	102.0	-0.4222	0.5827
0.85	210.0	2.1683	0.5572
0.85	222.0	-0.0056	0.5454
0.85	234.0	1.9559	0.5396
0.85	246.0	-0.6756	0.4646
0.85	258.0	0.5367	0.6592
0.95	114.0	0.6114	0.6797
0.95	222.0	0.6015	0.6454
0.95	234.0	0.9184	0.5103
0.95	246.0	0.1228	0.5232
0.95	258.0	1.8432	0.6514

CLAS Physics Database