Measurement E151M64

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:	0.0476
Q²:	0.0101 GeV²
W:	1295.0 GeV
E_beam:	1.0539 GeV
ε:	0.8705

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.35	42.0	1.1816	0.7959	0.1377
0.35	54.0	0.0845	0.5644	0.0315
0.45	54.0	0.91	0.827	0.1078
0.55	42.0	-0.2347	0.6381	0.0402
0.55	222.0	0.0452	0.6747	0.0304
0.55	234.0	0.0088	0.5134	0.03
0.55	246.0	-0.2231	0.4557	0.0393
0.55	258.0	0.7244	0.517	0.0877
0.55	270.0	-0.2852	0.5482	0.0442
0.65	138.0	0.9398	0.6781	0.111
0.65	150.0	0.6847	0.7258	0.0835
0.65	162.0	0.5754	0.7002	0.072
0.65	174.0	0.1543	0.6512	0.0348
0.65	186.0	-0.5488	0.6521	0.0693
0.65	222.0	-0.7045	0.4514	0.0856
0.65	234.0	-0.304	0.3633	0.0458
0.65	246.0	-0.196	0.3397	0.0374
0.65	258.0	-0.3596	0.3653	0.0507
0.65	270.0	0.2458	0.5761	0.041
0.75	138.0	0.0112	0.7375	0.03
0.75	150.0	-0.9311	0.4816	0.1101
0.75	162.0	0.6478	0.5693	0.0796
0.75	174.0	0.3005	0.5961	0.0455
0.75	198.0	0.3237	0.7263	0.0475
0.75	222.0	0.2843	0.5659	0.0441
0.75	234.0	0.6198	0.3973	0.0766
0.75	246.0	-0.2552	0.3241	0.0417
0.75	258.0	-0.0448	0.413	0.0304
0.75	270.0	-0.2401	0.5916	0.0406
0.85	222.0	0.312	0.5007	0.0465
0.85	234.0	0.0606	0.4872	0.0308
0.85	246.0	0.5314	0.4227	0.0675
0.85	258.0	-0.178	0.4354	0.0362

CLAS Physics Database