Measurement E151M976

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:	0.9758
Q²:	0.496 GeV²
W:	1295.0 GeV
E_beam:	2.999 GeV
ε:	0.9334

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.45	282.0	0.9118	0.785	0.0731
0.55	66.0	0.8255	0.8297	0.0674
0.55	78.0	0.5726	0.7326	0.0515
0.55	90.0	-0.022	0.6685	0.03
0.55	270.0	0.0225	0.7255	0.03
0.55	294.0	0.4934	0.7516	0.0469
0.65	66.0	-0.7207	0.5536	0.0606
0.65	78.0	0.7001	0.7141	0.0593
0.65	90.0	0.1281	0.6149	0.0314
0.65	102.0	-0.6578	0.5571	0.0567
0.65	270.0	0.0028	0.6414	0.03
0.65	282.0	0.4227	0.5897	0.0431
0.65	294.0	0.9983	0.6938	0.0789
0.65	306.0	-0.3671	0.5875	0.0402
0.75	66.0	0.055	0.5925	0.0303
0.75	78.0	-0.1056	0.5744	0.031
0.75	90.0	-0.6358	0.5074	0.0553
0.75	102.0	1.4283	0.8667	0.1086
0.75	258.0	-0.07	0.6896	0.0304
0.75	270.0	-0.6282	0.4959	0.0548
0.75	282.0	-0.2562	0.5411	0.0354
0.75	294.0	0.3702	0.5833	0.0404
0.75	306.0	0.0353	0.5537	0.0301
0.75	318.0	0.5034	0.6773	0.0475
0.85	54.0	-1.3731	0.4379	0.1047
0.85	66.0	-0.7089	0.4621	0.0599
0.85	78.0	-0.0122	0.5683	0.03
0.85	90.0	-0.1064	0.6014	0.031
0.85	102.0	0.2434	0.6575	0.0349
0.85	114.0	0.0789	0.7195	0.0305
0.85	246.0	-0.8209	0.5578	0.0671
0.85	258.0	-0.4054	0.4669	0.0422
0.85	270.0	0.4374	0.5161	0.0438
0.85	282.0	0.2024	0.5423	0.0334
0.85	294.0	1.2207	0.6548	0.0941
0.85	306.0	-0.2082	0.5278	0.0336
0.85	318.0	0.6652	0.6601	0.0571
0.85	330.0	0.765	0.7023	0.0635
0.95	78.0	-0.0005	0.6158	0.03
0.95	258.0	-0.6855	0.5083	0.0584
0.95	306.0	0.1352	0.5144	0.0316

CLAS Physics Database