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
0.05	66.0	0.0708	0.6635
0.15	66.0	0.3928	0.6563
0.25	66.0	-0.2084	0.6
0.35	66.0	-0.3527	0.5987
0.35	282.0	0.6081	0.7071
0.35	294.0	0.0217	0.5646
0.45	282.0	0.9294	0.6235
0.45	294.0	0.6289	0.5767
0.55	270.0	-0.4753	0.4823
0.55	282.0	-0.4368	0.4184
0.55	294.0	-0.0827	0.4394
0.65	66.0	0.173	0.5404
0.65	78.0	-0.045	0.5169
0.65	90.0	-0.5725	0.4764
0.65	270.0	0.5816	0.4686
0.65	282.0	0.709	0.5175
0.65	294.0	0.7281	0.4687
0.65	306.0	-0.4272	0.5742
0.75	54.0	-0.6698	0.4712
0.75	66.0	0.0516	0.4569
0.75	78.0	1.4362	0.6302
0.75	90.0	-0.5627	0.4049
0.75	102.0	-0.7627	0.4874
0.75	258.0	0.516	0.6656
0.75	270.0	0.7622	0.4744
0.75	282.0	0.523	0.4614
0.75	294.0	0.0514	0.4195
0.75	306.0	0.2738	0.5466
0.85	54.0	-0.5905	0.4358
0.85	66.0	0.0136	0.4687
0.85	78.0	-0.2855	0.3977
0.85	90.0	0.0414	0.4714
0.85	102.0	-0.399	0.3778
0.85	114.0	0.099	0.6225
0.85	258.0	-0.5888	0.54
0.85	270.0	0.5328	0.5017
0.85	282.0	1.235	0.6066
0.85	294.0	0.2479	0.4952
0.85	306.0	-0.2255	0.4323
0.85	318.0	-0.5228	0.444
0.95	54.0	-0.035	0.4598
0.95	66.0	-1.0463	0.4388
0.95	78.0	0.1896	0.5454
0.95	90.0	-0.2077	0.4237
0.95	102.0	0.1731	0.604
0.95	114.0	-1.3276	0.4075
0.95	282.0	0.957	0.556

CLAS Physics Database