Measurement E151M3575

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_LU
ε_L:	0.237
Q²:	0.496 GeV²
W:	1685.0 GeV
E_beam:	2.999 GeV
ε:	0.8176

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.75	234.0	-0.3418	0.2642
0.85	66.0	0.1691	0.249
0.85	78.0	0.4182	0.2179
0.85	210.0	-0.4371	0.2664
0.85	234.0	-0.3187	0.2204
0.85	246.0	-0.0801	0.2145
0.85	258.0	-0.1661	0.2339
0.85	270.0	0.0436	0.2525
0.95	246.0	-0.2348	0.2568
0.95	258.0	-0.0609	0.2619
0.95	270.0	-0.3054	0.2101
0.95	282.0	-0.139	0.2806
0.95	294.0	-0.3017	0.229
0.95	306.0	-0.1573	0.2493

CLAS Physics Database