Measurement E151M321

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_UL
ε_L:	0.1923
Q²:	0.0844 GeV²
W:	1385.0 GeV
E_beam:	1.3383 GeV
ε:	0.8144

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.55	246.0	0.2446	0.5845
0.55	258.0	0.3769	0.492
0.65	126.0	0.3399	0.4231
0.65	138.0	1.3701	0.6101
0.65	222.0	-0.0681	0.5507
0.65	234.0	0.8072	0.4752
0.65	246.0	0.0032	0.3851
0.65	258.0	-0.547	0.4317
0.75	114.0	-0.1305	0.4786
0.75	126.0	-0.0987	0.4101
0.75	138.0	-0.5886	0.3966
0.75	150.0	-0.2394	0.4169
0.75	162.0	-0.6399	0.7442
0.75	210.0	-0.0998	0.6817
0.75	222.0	-0.0994	0.393
0.75	234.0	-0.2401	0.378
0.75	246.0	0.1567	0.4115
0.75	258.0	-0.2434	0.3497
0.75	270.0	-0.3832	0.4247
0.85	114.0	-0.699	0.4237
0.85	126.0	-0.5461	0.4144
0.85	138.0	-0.5242	0.3925
0.85	150.0	0.1373	1.0018
0.85	162.0	-0.664	0.4541
0.85	222.0	0.4963	0.5957
0.85	234.0	-0.0122	0.4574
0.85	246.0	0.4986	0.3485
0.85	258.0	-0.3087	0.3216
0.85	270.0	0.3385	0.3445
0.85	282.0	0.7621	0.4786
0.95	90.0	-0.2948	0.7379
0.95	102.0	-1.1366	0.2755
0.95	114.0	1.8336	1.0909
0.95	126.0	-0.3114	0.8506
0.95	138.0	-0.5019	0.7231
0.95	234.0	-0.0767	0.607
0.95	246.0	-0.1306	0.3098
0.95	258.0	-0.4197	0.3091
0.95	270.0	0.4553	0.3772
0.95	282.0	-0.7412	0.2922

CLAS Physics Database