Measurement E151M6

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:	0.1911
Q²:	0.0205 GeV²
W:	1205.0 GeV
E_beam:	1.0539 GeV
ε:	0.9279

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.55	246.0	0.7019	0.5082	0.0853
0.55	258.0	-0.6589	0.4173	0.0807
0.55	270.0	0.2915	0.365	0.0447
0.55	282.0	-0.285	0.3924	0.0442
0.65	246.0	-0.4752	0.3415	0.0618
0.65	258.0	-0.7286	0.2573	0.0882
0.65	270.0	-0.6261	0.2801	0.0773
0.65	282.0	-0.3557	0.3928	0.0504
0.75	162.0	0.0304	0.4605	0.0302
0.75	174.0	-0.301	0.4052	0.0455
0.75	186.0	0.4645	0.3739	0.0608
0.75	198.0	-0.0295	0.3806	0.0302
0.75	210.0	0.2345	0.4033	0.0401
0.75	222.0	0.3551	0.4414	0.0503
0.75	234.0	0.1816	0.4983	0.0364
0.75	246.0	0.1509	0.385	0.0346
0.75	258.0	0.3347	0.3908	0.0485
0.85	150.0	-0.3146	0.4048	0.0467
0.85	162.0	-0.5258	0.3546	0.0669
0.85	174.0	-0.0619	0.3182	0.0308
0.85	186.0	0.4195	0.4023	0.0564
0.85	198.0	-0.2435	0.3415	0.0408
0.85	210.0	-0.0711	0.3495	0.0311
0.85	222.0	-0.3007	0.4216	0.0455

CLAS Physics Database