Measurement E151M1033

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_UL
ε_L:	0.5715
Q²:	0.5925 GeV²
W:	1445.0 GeV
E_beam:	2.999 GeV
ε:	0.8875

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.55	78.0	-0.338	0.7041
0.55	90.0	-0.1714	0.8001
0.65	78.0	1.1329	0.8276
0.65	90.0	-0.384	0.787
0.65	102.0	0.6135	0.9061
0.65	258.0	1.281	0.8623
0.75	78.0	-0.3686	0.6661
0.75	90.0	0.4756	0.8918
0.75	102.0	-0.5996	0.7045
0.75	114.0	0.0632	0.8643
0.75	234.0	-1.2291	0.5639
0.75	258.0	-0.4101	0.6213
0.75	270.0	0.7718	0.6822
0.75	282.0	0.2182	0.833
0.85	90.0	1.121	0.9106
0.85	258.0	0.5271	0.846
0.85	270.0	1.024	0.7918
0.85	282.0	1.3364	0.8966
0.85	294.0	-0.6514	0.5285
0.85	306.0	-0.4447	0.5831
0.95	258.0	-0.0872	0.6664
0.95	306.0	-0.3377	0.6325

CLAS Physics Database