Measurement E151M407

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:	0.0221
Q²:	0.0205 GeV²
W:	1535.0 GeV
E_beam:	1.3383 GeV
ε:	0.6866

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.45	18.0	0.1049	0.6685	0.0307
0.45	30.0	-0.097	0.6826	0.0306
0.45	42.0	0.4961	0.5567	0.0451
0.45	222.0	0.6483	0.5636	0.0518
0.55	42.0	0.0656	0.5056	0.0347
0.55	138.0	-0.6518	0.6912	0.0503
0.55	150.0	-0.0275	0.4833	0.0462
0.55	162.0	-0.0037	0.7077	0.03
0.55	174.0	-0.7169	0.6751	0.0536
0.55	186.0	0.0905	0.7336	0.0305
0.55	210.0	-0.4323	0.8451	0.0397
0.55	222.0	1.0102	0.503	0.0706
0.55	234.0	-0.3131	0.4047	0.039
0.55	246.0	-0.5731	0.5206	0.0707
0.65	138.0	-1.2633	0.408	0.0825
0.65	162.0	-0.6762	0.4591	0.0533
0.65	210.0	1.1258	0.5936	0.0757
0.65	222.0	0.3012	0.4453	0.0386
0.65	234.0	1.502	0.4563	0.0974
0.75	138.0	-0.7383	0.8639	0.0536
0.75	150.0	-1.5403	0.5369	0.0975
0.75	210.0	1.5696	0.5787	0.1011
0.75	222.0	0.2561	0.4538	0.0345
0.75	234.0	0.2694	0.4236	0.0654
0.85	126.0	-0.0157	0.6237	0.03
0.85	138.0	-0.5923	0.5454	0.0474
0.85	210.0	1.1717	0.5648	0.0785
0.85	222.0	1.0085	0.6063	0.0693
0.85	234.0	1.1317	0.5896	0.0762
0.75	246.0	-0.1872	0.6813	0.032
0.85	126.0	-1.0373	0.7152	0.0693
0.85	222.0	0.2352	0.9544	0.0332
0.85	234.0	-0.6625	0.7597	0.0499

CLAS Physics Database