Measurement E151M105

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:	0.0217
Q²:	0.0071 GeV²
W:	1355.0 GeV
E_beam:	1.0539 GeV
ε:	0.8079

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.45	42.0	0.5861	0.7861
0.45	54.0	-0.9759	0.6905
0.55	42.0	-0.5338	0.7736
0.55	54.0	0.1184	0.7892
0.55	222.0	1.1613	0.8319
0.55	234.0	-0.302	0.6649
0.55	246.0	-0.3066	0.714
0.65	30.0	2.0084	0.8212
0.65	42.0	0.6565	0.8012
0.65	54.0	-0.6291	0.7337
0.65	234.0	-0.1171	0.5314
0.65	246.0	0.6764	0.5853
0.75	222.0	0.4044	0.6928
0.75	234.0	0.1622	0.5745
0.75	246.0	-0.6437	0.5749
0.75	258.0	-1.1012	0.6094
0.85	222.0	0.5567	0.7212
0.85	234.0	1.1673	0.678
0.85	246.0	0.4704	0.5852

CLAS Physics Database