Measurement E151M887

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:	0.0839
Q²:	0.0844 GeV²
W:	1595.0 GeV
E_beam:	2.2596 GeV
ε:	0.8622

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.55	126.0	-0.5692	0.6466	0.0605
0.55	270.0	-0.2919	0.6249	0.0403
0.55	282.0	0.2079	0.6677	0.0356
0.65	114.0	0.0305	0.8208	0.0301
0.65	294.0	0.0829	0.623	0.031
0.75	126.0	0.079	0.8546	0.0309
0.75	210.0	-0.7073	0.7041	0.0718
0.75	234.0	0.2865	0.7265	0.04
0.75	282.0	0.3436	0.5734	0.0437
0.85	102.0	-0.9113	0.6881	0.0893
0.85	114.0	-0.1157	0.8921	0.0318
0.85	210.0	0.4579	0.7898	0.0518
0.85	222.0	-0.0888	0.7031	0.0311
0.85	234.0	0.9377	0.74	0.0916
0.95	234.0	1.6756	2.4628	0.1575
0.45	78.0	-0.728	0.5893	0.0564
0.45	270.0	0.956	0.6853	0.0695
0.45	282.0	0.2098	0.7025	0.033
0.55	114.0	-0.974	0.6234	0.0706
0.65	126.0	0.1018	0.7691	0.0307
0.65	138.0	-0.7418	0.7821	0.0572
0.65	222.0	0.8942	0.6878	0.0659
0.65	294.0	1.0542	0.7175	0.0754
0.75	114.0	0.4445	0.7642	0.0418
0.75	126.0	-0.3652	0.7016	0.0384
0.75	222.0	1.6107	0.899	0.1099
0.75	234.0	0.672	0.8771	0.0533
0.75	282.0	-0.7425	0.549	0.0572
0.75	294.0	-0.1126	0.7034	0.0309
0.85	90.0	-0.8133	0.7586	0.0612
0.85	102.0	-0.8073	0.6775	0.0609
0.85	198.0	0.6971	0.8775	0.0547
0.85	210.0	0.6329	0.7696	0.0512
0.85	222.0	1.6614	0.7103	0.1131
0.85	234.0	0.6565	0.92	0.0525
0.85	246.0	-0.9738	0.6887	0.0706
0.95	246.0	2.0642	1.2783	0.1387

CLAS Physics Database