Measurement E151M1652

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:	0.0408
Q²:	0.0496 GeV²
W:	1565.0 GeV
E_beam:	1.3383 GeV
ε:	0.6115

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty	syst. uncert.
0.65	138.0	-0.9035	0.9533	0.0619
0.65	150.0	-0.1448	0.936	0.0312
0.65	222.0	0.6777	0.9153	0.0505
0.65	234.0	0.6861	0.9227	0.0509
0.75	234.0	0.1165	0.8624	0.0308
0.75	246.0	-0.2956	0.8578	0.0348
0.85	210.0	-1.0885	0.9315	0.0718
0.85	222.0	-1.1212	0.918	0.0736
0.85	246.0	0.8327	0.7709	0.0582
0.55	210.0	-1.9712	1.2125	0.1185
0.55	222.0	-0.453	1.3258	0.0399
0.55	234.0	-0.85	1.1642	0.0578
0.65	138.0	0.5753	1.3471	0.0449
0.65	150.0	0.5863	1.2806	0.0454
0.65	222.0	1.0877	0.928	0.07
0.65	234.0	-0.3364	1.2128	0.0358
0.75	234.0	-2.0647	0.5845	0.1237
0.75	246.0	-0.0965	1.0043	0.0305
0.85	126.0	0.6399	1.2557	0.0478
0.85	222.0	-0.1193	1.073	0.0308
0.85	246.0	0.0143	1.121	0.03

CLAS Physics Database