Measurement E151M562

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:	0.0851
Q²:	0.0348 GeV²
W:	1415.0 GeV
E_beam:	1.9889 GeV
ε:	0.9292

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.25	78.0	0.455	0.7463
0.25	294.0	-0.102	0.6392
0.25	306.0	-0.7146	0.5839
0.35	66.0	-0.2778	0.4792
0.35	78.0	0.1457	0.5938
0.35	90.0	0.3935	0.7614
0.35	282.0	0.4054	0.5159
0.35	294.0	2.0572	0.4473
0.45	66.0	-0.0545	0.5248
0.45	78.0	0.4403	0.43
0.45	90.0	-0.8771	0.4267
0.45	270.0	0.0268	0.6285
0.45	282.0	-0.2131	0.5008
0.45	294.0	-0.1549	0.3977
0.45	306.0	0.8838	0.7122
0.55	78.0	0.0195	0.4437
0.55	90.0	-0.0654	0.4685
0.55	114.0	-0.6459	0.5766
0.55	126.0	-0.1164	0.5908
0.55	222.0	-0.4347	0.6191
0.55	234.0	-0.5383	0.6201
0.55	246.0	0.2883	0.6238
0.55	258.0	0.3587	0.5939
0.55	270.0	0.2132	0.4748
0.55	282.0	-0.2865	0.4194
0.55	294.0	0.182	0.5118
0.65	66.0	0.8241	0.6349
0.65	78.0	-0.1055	0.4921
0.65	90.0	0.2522	0.6141
0.65	102.0	0.7973	0.8499
0.65	114.0	0.216	0.4846
0.65	126.0	0.3886	0.5122
0.65	138.0	-0.4256	0.4984
0.65	150.0	-0.1646	0.5557
0.65	210.0	-1.1403	0.4554
0.65	222.0	1.8297	0.5475
0.65	234.0	1.0093	0.4606
0.65	246.0	0.1771	0.4595
0.65	258.0	0.3082	0.5397
0.65	270.0	-0.0227	0.5902
0.65	282.0	-0.1447	0.5425
0.65	294.0	-0.4112	0.5551
0.75	78.0	-0.6338	0.5742
0.75	102.0	0.4247	0.7845
0.75	114.0	-0.0706	0.5708
0.75	126.0	0.5231	0.4919
0.75	138.0	-0.3173	0.4976
0.75	150.0	-0.2879	0.5581
0.75	162.0	0.3591	0.8023
0.75	210.0	0.1057	0.562
0.75	222.0	1.2059	0.4357
0.75	234.0	-0.0071	0.3715
0.75	246.0	1.014	0.4178
0.75	258.0	-0.2665	0.5418
0.75	270.0	-0.5136	0.6746
0.75	282.0	0.2785	0.7057
0.85	114.0	-0.3526	0.7033
0.85	126.0	-1.5493	0.4518
0.85	138.0	-0.1564	0.6284
0.85	150.0	-0.3046	0.652
0.85	210.0	0.6564	0.5777
0.85	222.0	0.401	0.4538
0.85	234.0	0.6255	0.4157
0.85	246.0	-0.0694	0.407
0.85	258.0	0.5156	0.5397
0.95	222.0	-0.0442	0.6523
0.95	234.0	0.4617	0.6567

CLAS Physics Database