Measurement E151M2166

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:	1.394
Q²:	0.348 GeV²
W:	1205.0 GeV
E_beam:	2.999 GeV
ε:	0.962

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty	syst. uncert.
0.35	294.0	-0.1784	0.7419	0.0327
0.45	294.0	1.1364	0.6917	0.0877
0.55	282.0	0.3171	0.7077	0.0378
0.55	294.0	-0.2836	0.6109	0.0364
0.65	270.0	0.3412	0.6782	0.0389
0.65	282.0	-0.7245	0.6528	0.0605
0.65	294.0	-0.3907	0.505	0.0413
0.75	66.0	-0.2324	0.6812	0.0344
0.75	78.0	0.0681	0.6697	0.0304
0.75	90.0	0.6195	0.6396	0.054
0.75	270.0	-0.0767	0.7758	0.0305
0.75	282.0	0.4048	0.6721	0.042
0.75	294.0	1.1639	0.5102	0.0896
0.85	54.0	0.4018	0.7487	0.0418
0.85	66.0	-0.0197	0.5227	0.03
0.85	78.0	0.411	0.5123	0.0423
0.85	90.0	-0.3789	0.6396	0.0407
0.85	102.0	-0.3242	0.6672	0.0381
0.85	306.0	0.0902	0.7068	0.0307
0.95	42.0	1.1377	0.574	0.0878
0.95	54.0	0.5738	0.6355	0.0513
0.95	102.0	-0.2688	0.6342	0.0358

CLAS Physics Database