Measurement E151M2806

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_LU
ε_L:	0.1952
Q²:	0.1435 GeV²
W:	1445.0 GeV
E_beam:	1.3383 GeV
ε:	0.7052

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.65	138.0	0.0013	0.2663
0.65	234.0	0.1076	0.2797
0.65	246.0	-0.2407	0.2528
0.75	138.0	0.074	0.2699
0.75	222.0	0.1743	0.2704
0.75	246.0	-0.0163	0.2432
0.75	258.0	0.3733	0.2552
0.85	258.0	-0.459	0.2716
0.85	270.0	0.1165	0.281
0.95	90.0	-0.1811	0.2622
0.55	246.0	-0.0597	0.4074
0.65	246.0	0.3535	0.2829
0.65	258.0	-0.1169	0.311
0.75	138.0	0.4571	0.288
0.75	222.0	0.2802	0.3078
0.75	234.0	-0.1463	0.3941
0.75	246.0	-0.3843	0.3919
0.85	246.0	-0.2553	0.3857
0.85	258.0	-0.0496	0.3597
0.85	270.0	0.0925	0.3457

CLAS Physics Database