Measurement E151M1225

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:	0.1164
Q²:	0.0121 GeV²
W:	1205.0 GeV
E_beam:	1.0539 GeV
ε:	0.9348

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty
0.55	258.0	0.241	0.4878
0.55	270.0	-0.249	0.5029
0.65	246.0	-0.2532	0.4219
0.65	258.0	0.2209	0.4396
0.65	270.0	-0.0714	0.5211
0.75	186.0	0.4458	0.5063
0.75	246.0	0.3592	0.5265
0.75	258.0	-0.5616	0.4865

CLAS Physics Database