Measurement E151M3136

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:	0.0929
Q²:	0.1435 GeV²
W:	1655.0 GeV
E_beam:	1.9889 GeV
ε:	0.7372

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.55	126.0	0.3517	0.2895	0.0308
0.65	114.0	0.3079	0.2638	0.0306
0.65	294.0	-0.4577	0.2332	0.0314
0.75	222.0	0.3074	0.2235	0.0306
0.75	234.0	-0.2504	0.2774	0.0304
0.75	282.0	0.0667	0.2638	0.03
0.85	90.0	-0.2141	0.2774	0.0303
0.85	102.0	0.2883	0.2623	0.0305
0.85	210.0	0.3135	0.2232	0.0306
0.85	234.0	-0.3658	0.2333	0.0309
0.95	234.0	-0.2188	0.2695	0.0303

CLAS Physics Database