Measurement E151M102

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:	0.0071
Q²:	0.0023 GeV²
W:	1355.0 GeV
E_beam:	1.0539 GeV
ε:	0.8132

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.45	42.0	0.1065	0.8752
0.55	42.0	1.5732	0.7375
0.55	54.0	-1.1442	0.6407
0.55	222.0	-0.6012	0.6058
0.55	234.0	0.0716	0.7256
0.55	246.0	0.09	0.5299
0.65	30.0	0.7671	0.8303
0.65	42.0	0.2613	0.6931
0.65	54.0	0.4546	0.6405
0.65	162.0	-0.813	0.7219
0.65	210.0	0.184	0.817
0.65	222.0	0.379	0.7111
0.65	234.0	0.13	0.4741
0.65	246.0	-0.2577	0.453
0.65	258.0	0.2343	0.7854
0.75	42.0	0.3858	0.7735
0.75	54.0	0.5551	0.78
0.75	150.0	0.2846	0.7144
0.75	210.0	-0.1348	0.7743
0.75	222.0	1.2909	0.7109
0.75	234.0	-0.6084	0.497
0.75	246.0	-0.2462	0.5724
0.75	258.0	0.3943	0.8021
0.85	138.0	0.3636	0.748
0.85	222.0	-0.2807	0.5113
0.85	234.0	0.5998	0.606
0.85	246.0	0.5195	0.6164

CLAS Physics Database