Measurement E151M798

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:	0.4753
Q²:	0.2445 GeV²
W:	1385.0 GeV
E_beam:	2.2596 GeV
ε:	0.9078

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.65	90.0	0.7841	1.2036
0.65	102.0	0.6703	1.2227
0.75	90.0	-1.0213	1.0576
0.75	102.0	-0.1224	1.1928
0.75	246.0	1.4578	1.0257
0.75	258.0	-0.6463	0.9529
0.75	282.0	-0.6279	0.905
0.85	102.0	0.7533	1.4255
0.85	114.0	0.5873	1.3113
0.85	222.0	1.6076	1.2065
0.85	246.0	-0.0264	1.1957
0.85	258.0	1.0232	1.0173
0.85	270.0	-0.6766	1.0583
0.85	282.0	0.9965	0.9881
0.85	294.0	-0.8871	0.8602
0.95	246.0	-2.8258	2.9516
0.95	282.0	-1.9182	2.9104
0.95	294.0	0.9321	3.1144
0.55	102.0	0.2199	0.665
0.65	102.0	0.425	0.576
0.65	258.0	0.3398	0.6496
0.75	90.0	0.1281	0.5885
0.75	102.0	-0.2872	0.5342
0.75	114.0	-1.0708	0.5863
0.75	246.0	-0.5415	0.5685
0.75	258.0	0.5492	0.6663
0.75	270.0	-0.4323	0.6278
0.85	102.0	-0.3717	0.5768
0.85	210.0	-0.9791	0.7109
0.85	234.0	1.0573	0.841
0.85	246.0	1.0613	0.757
0.85	258.0	0.0314	0.6268
0.85	270.0	-0.2373	0.6342
0.85	282.0	-1.6625	0.3708
0.95	282.0	1.1659	0.9188
0.95	294.0	-0.2262	0.9604
0.95	306.0	-0.4377	0.9377

CLAS Physics Database