Measurement E151M1432

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:	0.8044
Q²:	0.1205 GeV²
W:	1205.0 GeV
E_beam:	1.3383 GeV
ε:	0.9081

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty
0.45	282.0	0.696	0.6204
0.45	294.0	0.164	0.7682
0.55	270.0	0.7775	0.6338
0.55	282.0	-0.878	0.492
0.55	294.0	1.3604	0.483
0.65	270.0	-0.0099	0.7374
0.65	282.0	0.2411	0.6778
0.75	270.0	-0.296	0.7533
0.75	282.0	0.1675	0.6252
0.85	102.0	1.6778	0.4641
0.95	114.0	1.1566	0.6387
0.95	126.0	-0.367	0.6669
0.95	138.0	-0.53	0.675
0.95	150.0	-1.0091	0.5137
0.95	198.0	-0.3009	0.6668
0.35	294.0	-0.056	0.5921
0.45	282.0	-0.6257	0.5603
0.55	270.0	-0.7392	0.4843
0.55	282.0	0.3433	0.5049
0.55	294.0	-0.4735	0.5628
0.65	270.0	-0.7611	0.4676
0.65	282.0	-0.1094	0.4695
0.75	258.0	-0.4901	0.6696
0.75	270.0	-0.7318	0.5184
0.75	282.0	-0.0824	0.4833
0.85	102.0	0.5731	0.5995
0.85	126.0	-0.2971	0.6721
0.95	114.0	0.4814	0.4774
0.95	126.0	0.2968	0.5457
0.95	138.0	-0.1811	0.4433
0.95	150.0	0.3367	0.4574
0.95	162.0	0.3505	0.5215
0.95	186.0	0.0499	0.4618

CLAS Physics Database