Measurement E151M1636

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:	0.0668
Q²:	0.0707 GeV²
W:	1535.0 GeV
E_beam:	1.3383 GeV
ε:	0.6413

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty
0.55	138.0	-0.5243	0.9061
0.55	210.0	-0.9894	1.2807
0.55	222.0	-1.0861	0.6281
0.55	234.0	-0.2525	0.7896
0.55	246.0	-0.4104	0.6339
0.65	138.0	0.5185	0.6116
0.65	150.0	0.0235	0.636
0.65	162.0	0.303	0.8528
0.65	210.0	-0.9251	0.9442
0.65	222.0	-0.8945	0.574
0.65	234.0	-1.4545	0.4725
0.65	246.0	0.6189	0.6378
0.75	138.0	-1.3678	0.6982
0.75	150.0	0.1686	0.9244
0.75	162.0	0.9725	0.9145
0.75	222.0	-0.7956	0.7047
0.75	234.0	0.1461	0.6383
0.75	246.0	-0.8034	0.5637
0.85	222.0	0.687	0.8778
0.85	234.0	-1.1903	0.7908
0.85	246.0	-0.1214	0.8304
0.95	114.0	-0.5788	0.8696
0.95	126.0	-0.6716	0.8401
0.95	234.0	1.5783	0.7404
0.75	258.0	0.899	0.9474
0.85	222.0	-0.7132	1.196
0.85	234.0	-1.2649	0.719
0.85	246.0	1.7508	0.6998
0.85	258.0	-0.8988	1.1575

CLAS Physics Database