Measurement E151M954

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:	1.1922
Q²:	0.348 GeV²
W:	1235.0 GeV
E_beam:	2.999 GeV
ε:	0.9589

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.05	66.0	0.0708	0.6635	0.0304
0.15	66.0	0.3928	0.6563	0.0415
0.25	66.0	-0.2084	0.6	0.0336
0.35	66.0	-0.3527	0.5987	0.0396
0.35	282.0	0.6081	0.7071	0.0536
0.35	294.0	0.0217	0.5646	0.03
0.45	282.0	0.9294	0.6235	0.0743
0.45	294.0	0.6289	0.5767	0.0549
0.55	270.0	-0.4753	0.4823	0.0459
0.55	282.0	-0.4368	0.4184	0.0438
0.55	294.0	-0.0827	0.4394	0.0306
0.65	66.0	0.173	0.5404	0.0326
0.65	78.0	-0.045	0.5169	0.0302
0.65	90.0	-0.5725	0.4764	0.0515
0.65	270.0	0.5816	0.4686	0.052
0.65	282.0	0.709	0.5175	0.0599
0.65	294.0	0.7281	0.4687	0.0611
0.65	306.0	-0.4272	0.5742	0.0433
0.75	54.0	-0.6698	0.4712	0.0574
0.75	66.0	0.0516	0.4569	0.0302
0.75	78.0	1.4362	0.6302	0.1092
0.75	90.0	-0.5627	0.4049	0.0509
0.75	102.0	-0.7627	0.4874	0.0633
0.75	258.0	0.516	0.6656	0.0482
0.75	270.0	0.7622	0.4744	0.0633
0.75	282.0	0.523	0.4614	0.0486
0.75	294.0	0.0514	0.4195	0.0302
0.75	306.0	0.2738	0.5466	0.0361
0.85	54.0	-0.5905	0.4358	0.0526
0.85	66.0	0.0136	0.4687	0.03
0.85	78.0	-0.2855	0.3977	0.0365
0.85	90.0	0.0414	0.4714	0.0302
0.85	102.0	-0.399	0.3778	0.0418
0.85	114.0	0.099	0.6225	0.0309
0.85	258.0	-0.5888	0.54	0.0525
0.85	270.0	0.5328	0.5017	0.0492
0.85	282.0	1.235	0.6066	0.0951
0.85	294.0	0.2479	0.4952	0.035
0.85	306.0	-0.2255	0.4323	0.0342
0.85	318.0	-0.5228	0.444	0.0486
0.95	54.0	-0.035	0.4598	0.0301
0.95	66.0	-1.0463	0.4388	0.0821
0.95	78.0	0.1896	0.5454	0.033
0.95	90.0	-0.2077	0.4237	0.0336
0.95	102.0	0.1731	0.604	0.0326
0.95	114.0	-1.3276	0.4075	0.1016
0.95	282.0	0.957	0.556	0.0761

CLAS Physics Database