Measurement E151M825

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:	0.3245
Q²:	0.205 GeV²
W:	1445.0 GeV
E_beam:	2.2596 GeV
ε:	0.8968

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.65	102.0	-0.2482	0.5635
0.65	114.0	-1.3456	0.9537
0.65	246.0	0.4474	0.5866
0.75	90.0	-0.4626	0.6023
0.75	102.0	0.0941	0.4983
0.75	114.0	-0.8366	0.5033
0.75	126.0	0.0212	0.6048
0.75	138.0	0.6013	1.2204
0.75	234.0	0.7456	0.7335
0.75	246.0	1.0551	0.5709
0.75	258.0	0.2553	0.5172
0.85	114.0	0.9787	1.3075
0.85	246.0	-1.0405	0.8916
0.85	258.0	-2.4226	0.6886
0.85	270.0	-0.322	0.9423
0.95	246.0	-1.2962	2.679
0.95	270.0	1.665	2.9676
0.95	282.0	-1.8884	2.3448
0.75	270.0	1.6452	0.7939
0.85	66.0	-0.43	0.6822
0.85	102.0	-0.4573	0.7287
0.85	114.0	0.1623	0.7276
0.85	126.0	-0.1135	0.6507
0.85	222.0	-0.4579	0.7834
0.85	246.0	0.2386	0.7
0.85	258.0	-0.5528	0.6303
0.85	282.0	0.4243	0.7536
0.95	222.0	1.3987	1.3669
0.95	258.0	1.4046	1.1818
0.95	270.0	0.8858	1.0717
0.95	282.0	0.2794	0.9158

CLAS Physics Database