Measurement E151M11

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:	0.4092
Q²:	0.0496 GeV²
W:	1205.0 GeV
E_beam:	1.0539 GeV
ε:	0.904

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.45	282.0	0.6299	0.52
0.55	270.0	0.1909	0.381
0.55	282.0	0.3981	0.3443
0.65	258.0	-0.6314	0.3651
0.65	270.0	-0.3195	0.352
0.65	282.0	0.0684	0.4345
0.75	246.0	0.5032	0.5131
0.75	258.0	-0.362	0.3518
0.75	270.0	-0.0556	0.3312
0.75	282.0	-0.5143	0.4154
0.85	150.0	0.5763	0.4352
0.85	162.0	-0.2071	0.3836
0.85	174.0	-0.1024	0.4277
0.85	186.0	0.043	0.3183
0.85	198.0	0.2711	0.4632
0.85	210.0	0.1545	0.3831
0.85	222.0	-0.1004	0.3764
0.85	234.0	-0.566	0.3969
0.95	150.0	-0.1182	0.389
0.95	162.0	-0.3315	0.3047
0.95	174.0	0.0488	0.3203
0.95	186.0	0.3489	0.3557
0.95	210.0	-0.0033	0.3503
0.95	222.0	-0.329	0.3122

CLAS Physics Database