Measurement E151M959

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:	0.6625
Q²:	0.1435 GeV²
W:	1265.0 GeV
E_beam:	2.999 GeV
ε:	0.9771

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.25	66.0	0.2618	0.7141	0.0356
0.35	66.0	-0.7083	0.502	0.0598
0.35	78.0	-0.5186	0.6273	0.0483
0.45	282.0	0.1952	0.7922	0.0332
0.55	270.0	0.0746	0.5226	0.0305
0.55	282.0	0.8481	0.604	0.0689
0.55	294.0	0.4492	0.752	0.0445
0.65	258.0	1.6835	0.7557	0.1267
0.65	270.0	-0.4031	0.5378	0.042
0.65	282.0	-0.5587	0.3579	0.0507
0.65	294.0	-1.1879	0.4226	0.0919
0.75	78.0	0.5544	0.7731	0.0504
0.75	90.0	-0.1274	0.6445	0.0314
0.75	102.0	-0.6075	0.559	0.0536
0.75	258.0	-0.0047	0.5654	0.03
0.75	270.0	-1.0967	0.3398	0.0856
0.75	282.0	0.1423	0.4946	0.0318
0.75	294.0	0.1904	0.5042	0.0331
0.85	78.0	-0.8565	0.4133	0.0694
0.85	90.0	-0.1515	0.5234	0.032
0.85	102.0	0.3024	0.462	0.0373
0.85	114.0	-0.1627	0.4901	0.0323
0.85	126.0	3.2077	3.2077	0.2364
0.85	246.0	0.2175	0.5966	0.034
0.85	258.0	-0.1453	0.5436	0.0318
0.85	270.0	0.2119	0.4957	0.0338
0.85	282.0	-0.5788	0.4309	0.0519
0.85	294.0	-0.3303	0.5311	0.0385
0.95	78.0	0.0184	0.5265	0.03
0.95	90.0	0.6218	0.5205	0.0545
0.95	102.0	0.8206	0.6108	0.0671
0.95	114.0	0.2783	0.5174	0.0362
0.95	126.0	-0.5069	0.4408	0.0477
0.95	138.0	0.9652	0.6597	0.0767
0.95	246.0	-0.5611	0.5631	0.0508
0.95	258.0	-0.376	0.4405	0.0407

CLAS Physics Database