Measurement E151M2808

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:	0.205 GeV²
W:	1445.0 GeV
E_beam:	1.3383 GeV
ε:	0.655

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.65	126.0	-0.3374	0.4311	0.0307
0.65	246.0	-0.0531	0.3665	0.03
0.75	222.0	0.3004	0.3864	0.0306
0.75	234.0	0.4971	0.3047	0.0316
0.75	246.0	-0.2191	0.3074	0.0303
0.75	258.0	-0.7653	0.198	0.0337
0.75	270.0	-0.0625	0.3239	0.03
0.85	234.0	0.3929	0.3618	0.031
0.85	246.0	-0.1205	0.3394	0.0301
0.85	258.0	-0.0286	0.3878	0.03
0.85	270.0	-0.1293	0.3628	0.0301
0.85	282.0	0.1994	0.3961	0.0303
0.95	78.0	0.0168	0.3483	0.03
0.95	246.0	-0.5672	0.3358	0.0321
0.95	270.0	-0.5584	0.389	0.032
0.95	282.0	-0.3231	0.3879	0.0307
0.55	258.0	-0.321	0.2688	0.0307
0.65	258.0	-0.0296	0.279	0.03
0.75	126.0	0.0312	0.2296	0.03
0.75	138.0	0.4684	0.2372	0.0314
0.75	222.0	-0.0604	0.2717	0.03
0.75	258.0	-0.324	0.2284	0.0307
0.75	270.0	0.0761	0.2811	0.03
0.85	246.0	-0.1635	0.258	0.0302
0.85	270.0	-0.0288	0.2783	0.03
0.85	282.0	-0.2907	0.2397	0.0306
0.95	282.0	-0.137	0.2791	0.0301

CLAS Physics Database