Measurement E151M3257

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:	0.4552
Q²:	0.2915 GeV²
W:	1415.0 GeV
E_beam:	2.2596 GeV
ε:	0.8858

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.75	90.0	0.1127	0.2147
0.75	102.0	0.2648	0.144
0.85	102.0	-0.5214	0.2021
0.85	234.0	0.2771	0.2415
0.85	258.0	0.302	0.2512
0.85	270.0	-0.3244	0.2288
0.85	282.0	-0.0985	0.2613
0.95	306.0	0.0888	0.2239
0.75	114.0	-0.0431	0.2619
0.75	126.0	0.0666	0.2623
0.75	258.0	-0.232	0.2547
0.85	270.0	0.0297	0.2487

CLAS Physics Database