Measurement E151M602

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:	0.2408
Q²:	0.1715 GeV²
W:	1475.0 GeV
E_beam:	1.9889 GeV
ε:	0.8577

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.15	306.0	0.2888	0.6708
0.25	66.0	-0.9038	0.5064
0.25	78.0	0.4972	0.8069
0.25	294.0	0.8193	0.6141
0.35	66.0	-0.2133	0.5781
0.35	78.0	-0.2556	0.5448
0.35	282.0	0.5781	0.5955
0.35	294.0	-0.4743	0.6552
0.45	66.0	1.994	0.7491
0.45	78.0	-0.047	0.7289
0.45	282.0	-0.4077	0.5797
0.45	294.0	0.552	0.6312
0.55	66.0	1.4244	0.8138
0.55	102.0	0.871	0.642
0.55	114.0	-0.6129	0.5859
0.55	246.0	1.5736	0.7192
0.55	258.0	0.3739	0.7265
0.55	282.0	-1.1541	0.465
0.55	306.0	-0.5948	0.5572
0.65	66.0	-1.1138	0.5531
0.65	90.0	-0.5009	0.5877
0.65	102.0	0.6885	0.5847
0.65	114.0	-0.545	0.4807
0.65	126.0	-0.2129	0.5901
0.65	138.0	-1.6972	0.463
0.65	222.0	0.2551	0.6836
0.65	234.0	0.5284	0.6968
0.65	246.0	-0.8926	0.4661
0.65	270.0	0.2434	0.7025
0.65	306.0	1.6805	0.6569
0.75	90.0	-1.7455	0.4259
0.75	102.0	-0.2482	0.4817
0.75	114.0	-0.0244	0.5497
0.75	126.0	-0.2664	0.5623
0.75	138.0	0.9187	0.6642
0.75	210.0	1.2434	0.6406
0.75	222.0	1.2306	0.642
0.75	234.0	-0.8381	0.3967
0.75	246.0	0.0568	0.5226
0.75	258.0	1.8695	0.5757
0.75	270.0	1.9857	0.6513
0.85	78.0	1.9589	0.5084
0.85	114.0	-0.1163	0.4913
0.85	126.0	-1.0973	0.4051
0.85	138.0	-0.7923	0.6204
0.85	210.0	1.0316	0.743
0.85	222.0	-0.3703	0.5482
0.85	234.0	-0.18	0.4633
0.85	246.0	0.3961	0.5581
0.85	258.0	1.6978	0.4864
0.85	270.0	0.679	0.5949
0.95	78.0	-0.3217	0.6043
0.95	90.0	-0.3101	0.4613
0.95	222.0	-0.4083	0.5175
0.95	234.0	0.2425	0.5446
0.95	246.0	0.1864	0.5214
0.95	258.0	0.1147	0.4914
0.95	270.0	-0.677	0.3347
0.95	282.0	0.3272	0.5002

CLAS Physics Database