Measurement E151M1493

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:	0.0489
Q²:	0.0121 GeV²
W:	1325.0 GeV
E_beam:	1.3383 GeV
ε:	0.9075

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty	syst. uncert.
0.65	234.0	1.3391	1.013	0.0834
0.65	246.0	0.3765	0.8329	0.0371
0.65	258.0	-0.1985	0.7157	0.0321
0.75	246.0	-0.0197	0.9205	0.03
0.85	246.0	1.6986	0.6491	0.1032
0.55	246.0	-0.4263	0.7206	0.0394
0.65	234.0	-0.5436	0.6699	0.0443
0.65	258.0	0.1146	0.726	0.0308
0.75	234.0	-0.0037	0.695	0.03
0.75	246.0	-0.2503	0.6063	0.0335

CLAS Physics Database