Measurement E151M1527

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:	0.3709
Q²:	0.1715 GeV²
W:	1355.0 GeV
E_beam:	1.3383 GeV
ε:	0.7801

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty
0.75	114.0	0.1422	1.1911
0.75	234.0	-1.1795	1.0274
0.85	114.0	1.9736	0.6807
0.85	222.0	-0.9133	1.0012
0.85	258.0	-0.695	0.911
0.85	270.0	-0.0193	0.8447
0.85	282.0	-0.4583	0.992
0.65	258.0	1.0719	0.8021
0.75	102.0	-0.0113	0.9463
0.75	138.0	1.0307	0.7956
0.75	246.0	0.4188	0.8732
0.85	102.0	-0.5958	0.8798
0.85	114.0	-0.2213	0.8183
0.85	138.0	-0.1281	0.8112
0.85	270.0	-0.1721	0.653
0.85	294.0	0.0351	0.7844
0.95	270.0	0.2786	0.6607
0.95	282.0	-0.0945	0.6907

CLAS Physics Database