Measurement E151M147

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:	0.0168
Q²:	0.0084 GeV²
W:	1415.0 GeV
E_beam:	1.0539 GeV
ε:	0.7185

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.35	30.0	-0.3575	0.7924
0.35	42.0	-0.8718	0.6992
0.35	54.0	1.5339	0.8503
0.45	30.0	0.6311	0.8884
0.45	42.0	0.6299	0.6169
0.45	54.0	0.9999	0.7119
0.45	222.0	0.289	0.7745
0.45	234.0	-0.7494	0.6772
0.55	18.0	-0.7932	0.682
0.55	30.0	0.2622	0.724
0.55	42.0	0.2893	0.5538
0.55	54.0	0.5196	0.5992
0.55	150.0	0.6148	0.8767
0.55	162.0	-0.937	0.6722
0.55	174.0	2.8491	2.8491
0.55	222.0	1.176	0.7634
0.55	234.0	2.3506	0.6119
0.55	246.0	0.3719	0.6932
0.65	42.0	-0.9085	0.6421
0.65	54.0	0.8757	0.8376
0.65	150.0	-0.0816	0.7182
0.65	162.0	-0.1351	0.701
0.65	210.0	0.7029	0.7817
0.65	222.0	1.7778	0.6008
0.65	234.0	-0.4477	0.516
0.65	246.0	-0.7864	0.5272
0.75	222.0	0.8299	0.6312
0.75	234.0	-0.0941	0.6794
0.75	246.0	-1.3628	0.5201
0.75	258.0	-0.3152	0.7653
0.85	210.0	2.1428	0.7748
0.85	222.0	1.3213	0.6723
0.85	234.0	0.4763	0.5732
0.85	246.0	0.6358	0.6647

CLAS Physics Database