Measurement E151M965

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:	1.0758
Q²:	0.4155 GeV²
W:	1265.0 GeV
E_beam:	2.999 GeV
ε:	0.9477

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.05	66.0	-0.913	0.4911
0.15	66.0	-0.4092	0.4905
0.35	282.0	0.3258	0.687
0.45	282.0	0.1277	0.691
0.45	294.0	0.2425	0.6913
0.55	78.0	-1.0039	0.4896
0.55	90.0	-0.9304	0.5304
0.55	270.0	-0.0281	0.5646
0.55	282.0	1.0261	0.6319
0.55	294.0	0.992	0.5667
0.55	306.0	0.1035	0.5895
0.65	66.0	-0.4017	0.5009
0.65	78.0	0.1187	0.6375
0.65	90.0	0.1768	0.5875
0.65	270.0	-0.0288	0.5854
0.65	282.0	0.6597	0.593
0.65	294.0	0.3777	0.5495
0.75	54.0	0.673	0.7952
0.75	66.0	-0.4385	0.4581
0.75	78.0	-0.8859	0.3667
0.75	90.0	0.3829	0.6084
0.75	102.0	-0.305	0.544
0.75	258.0	0.7497	0.6717
0.75	270.0	0.005	0.4334
0.75	282.0	0.1917	0.4848
0.75	294.0	0.0633	0.4436
0.75	306.0	0.5875	0.5509
0.85	54.0	-0.4741	0.507
0.85	66.0	-0.719	0.4458
0.85	78.0	-0.5026	0.4599
0.85	90.0	-0.1316	0.4917
0.85	102.0	-0.3218	0.5246
0.85	114.0	-0.286	0.6203
0.85	246.0	0.5217	0.6442
0.85	258.0	0.0891	0.4932
0.85	270.0	0.8385	0.6048
0.85	282.0	0.1751	0.4823
0.85	294.0	-0.766	0.3796
0.85	306.0	1.2218	0.5761
0.85	318.0	0.4407	0.5183
0.95	54.0	-0.7093	0.5326
0.95	66.0	-0.4584	0.4475
0.95	78.0	0.1716	0.6997
0.95	90.0	-0.4445	0.5471
0.95	114.0	-0.6461	0.5105
0.95	246.0	0.1133	0.6111
0.95	258.0	0.4001	0.6973
0.95	270.0	-0.1489	0.4489
0.95	282.0	0.5519	0.6609
0.95	294.0	0.1681	0.5914
0.95	318.0	0.1166	0.6225

CLAS Physics Database