Measurement E151M1237

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_LL
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_LL	uncertainty
0.35	282.0	-0.6225	0.4854
0.35	294.0	0.0748	0.4969
0.45	270.0	0.4809	0.5119
0.45	282.0	0.1586	0.4274
0.45	294.0	0.1785	0.5426
0.55	270.0	-0.1135	0.4249
0.55	282.0	-0.1761	0.396
0.55	294.0	-0.3392	0.4787
0.65	258.0	0.7866	0.448
0.65	270.0	-0.2111	0.4019
0.65	282.0	0.6738	0.3292
0.75	270.0	0.3421	0.4749
0.75	282.0	0.5435	0.4279
0.75	294.0	1.7683	1.7683
0.85	138.0	0.1924	0.594
0.85	150.0	0.6063	0.5005
0.85	162.0	-0.1444	0.4761
0.85	186.0	-0.5504	0.549
0.85	198.0	0.5971	0.5013
0.85	210.0	0.1714	0.5059
0.85	222.0	0.0425	0.465
0.95	126.0	-0.0382	0.4201
0.95	138.0	0.922	0.3286
0.95	150.0	-0.3611	0.344
0.95	162.0	0.1183	0.386
0.95	174.0	0.0094	0.3756
0.95	186.0	-0.2965	0.3515
0.95	198.0	-0.1237	0.4349
0.95	210.0	0.754	0.3825
0.95	222.0	0.9971	0.3911
0.95	234.0	0.673	0.4018

CLAS Physics Database