Measurement E151M15

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:	0.6763
Q²:	0.101 GeV²
W:	1205.0 GeV
E_beam:	1.0539 GeV
ε:	0.8605

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.35	282.0	-0.7256	0.3827
0.35	294.0	-0.0163	0.4378
0.45	270.0	0.1855	0.4666
0.45	282.0	0.5171	0.3947
0.45	294.0	0.6819	0.5094
0.55	270.0	-0.1156	0.3671
0.55	282.0	0.4156	0.3605
0.55	294.0	0.0138	0.4284
0.65	258.0	-0.0932	0.4163
0.65	270.0	0.3224	0.3634
0.65	282.0	0.0899	0.3031
0.75	270.0	-0.2094	0.4031
0.75	282.0	0.501	0.4012
0.75	294.0	-0.0774	0.438
0.85	138.0	0.1439	0.5385
0.85	150.0	0.0932	0.4639
0.85	162.0	0.9368	0.432
0.85	186.0	0.4988	0.524
0.85	198.0	0.2105	0.4833
0.85	210.0	-0.1011	0.4342
0.85	222.0	0.339	0.4254
0.95	126.0	0.8089	0.3856
0.95	138.0	-0.3252	0.2878
0.95	150.0	0.1544	0.3131
0.95	162.0	0.1437	0.3461
0.95	174.0	-0.2749	0.3119
0.95	186.0	0.0563	0.3175
0.95	198.0	0.1856	0.3919
0.95	210.0	0.67	0.3795
0.95	222.0	0.3161	0.378
0.95	234.0	-0.8025	0.2839

CLAS Physics Database