Measurement E151M1651

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_LL
ε_L:	0.0349
Q²:	0.0415 GeV²
W:	1565.0 GeV
E_beam:	1.3383 GeV
ε:	0.6191

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty	syst. uncert.
0.55	222.0	-0.6363	1.2864	0.0476
0.65	150.0	0.6558	1.0491	0.0485
0.65	222.0	-1.1098	1.2992	0.0712
0.65	234.0	0.7447	1.1963	0.0527
0.65	246.0	1.0626	1.1869	0.0687
0.75	222.0	-0.8531	1.0294	0.058
0.75	234.0	-0.404	1.1655	0.0381
0.75	246.0	2.6092	2.6092	0.1547
0.85	222.0	1.5851	0.9137	0.0969
0.85	234.0	0.2401	0.8606	0.0331
0.55	234.0	-0.0626	0.9696	0.0302
0.65	150.0	-0.089	0.9396	0.0305
0.65	222.0	-0.5191	0.8917	0.0432
0.65	234.0	0.2539	0.8838	0.0336
0.75	234.0	0.9552	0.8702	0.0646
0.75	246.0	-0.2445	0.8151	0.0334
0.85	138.0	0.1761	0.9	0.0318
0.85	222.0	-0.2635	0.8235	0.0339
0.85	246.0	-0.6854	0.9232	0.0509

CLAS Physics Database