Measurement E151M2241

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_LL
ε_L:	0.5709
Q²:	0.4155 GeV²
W:	1415.0 GeV
E_beam:	2.999 GeV
ε:	0.9221

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty
0.25	294.0	-0.1941	0.7297
0.45	90.0	1.1503	0.9068
0.55	66.0	0.8116	0.8674
0.55	78.0	-0.4793	0.9068
0.55	90.0	-0.4045	0.7417
0.55	102.0	-0.6209	0.7519
0.65	78.0	-1.6007	0.6037
0.65	90.0	-0.1608	0.5553
0.65	102.0	0.2768	0.667
0.65	114.0	0.8997	0.6702
0.65	246.0	-0.2734	0.9525
0.65	258.0	0.9243	0.6534
0.65	270.0	-0.9757	0.7063
0.65	282.0	1.8087	0.7777
0.75	54.0	-0.1951	0.6972
0.75	66.0	-0.0105	0.9916
0.75	78.0	-0.0535	0.616
0.75	90.0	-0.0389	0.5661
0.75	102.0	-0.2672	0.7052
0.75	114.0	0.1211	0.9034
0.75	126.0	-0.2012	0.968
0.75	234.0	1.4296	0.8105
0.75	246.0	0.9366	0.8402
0.75	258.0	0.1795	0.6848
0.75	270.0	0.2524	0.5845
0.75	282.0	0.3683	0.5756
0.75	294.0	-0.2607	0.6477
0.75	306.0	0.0802	0.8127
0.85	42.0	-0.4287	0.9323
0.85	54.0	1.0714	0.7507
0.85	78.0	-0.6805	0.6914
0.85	90.0	0.1521	0.5897
0.85	102.0	0.2863	0.6333
0.85	114.0	-0.3247	0.7588
0.85	126.0	0.3595	0.8857
0.85	210.0	0.0432	0.8961
0.85	222.0	-0.302	0.6814
0.85	234.0	1.359	0.6569
0.85	246.0	0.2907	0.7359
0.85	258.0	0.7059	0.6983
0.85	270.0	0.3367	0.5885
0.85	282.0	0.0878	0.5503
0.85	294.0	-0.9975	0.5638
0.85	306.0	0.4777	0.5721
0.85	318.0	-0.3239	0.5988
0.95	210.0	-0.2275	0.8174
0.95	222.0	0.3154	0.7332
0.95	234.0	1.1018	0.6115
0.95	246.0	0.0804	0.6493
0.95	258.0	0.3567	0.6757
0.95	270.0	-0.0747	0.5359
0.95	282.0	0.055	0.6066
0.95	294.0	0.515	0.5703
0.95	306.0	0.4667	0.602
0.95	318.0	0.9591	0.5389
0.95	330.0	1.3213	0.6324
0.95	342.0	-0.022	0.7787

CLAS Physics Database