Measurement E151M950

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:	0.8855
Q²:	0.1715 GeV²
W:	1235.0 GeV
E_beam:	2.999 GeV
ε:	0.977

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.25	66.0	0.1109	0.4563
0.35	66.0	0.182	0.4295
0.35	78.0	-0.3844	0.5343
0.35	294.0	-0.0799	0.5917
0.45	66.0	0.4184	0.4813
0.45	78.0	-0.1673	0.4665
0.45	282.0	0.2378	0.4398
0.45	294.0	0.1199	0.4906
0.55	78.0	0.9888	0.6512
0.55	270.0	-0.4608	0.4137
0.55	282.0	0.6553	0.3704
0.55	294.0	1.0265	0.5418
0.65	78.0	-0.292	0.5841
0.65	90.0	-0.8309	0.511
0.65	270.0	-0.4332	0.326
0.65	282.0	-0.4102	0.2871
0.65	294.0	-0.2732	0.3695
0.75	66.0	-0.587	0.5679
0.75	78.0	0.4985	0.4334
0.75	90.0	-0.6443	0.357
0.75	102.0	-0.2557	0.4526
0.75	258.0	-0.2572	0.3812
0.75	270.0	-0.0865	0.3402
0.75	282.0	0.003	0.3049
0.75	294.0	0.0171	0.3287
0.85	66.0	-0.6779	0.3841
0.85	78.0	0.4197	0.3608
0.85	90.0	0.2137	0.3179
0.85	102.0	0.3616	0.3275
0.85	114.0	1.1787	0.4243
0.85	126.0	1.6023	0.7755
0.85	234.0	-0.6477	0.5964
0.85	246.0	-0.3118	0.4356
0.85	258.0	-0.7138	0.323
0.85	270.0	0.1391	0.3207
0.85	282.0	-0.1736	0.3421
0.85	294.0	0.1606	0.3938
0.95	42.0	-0.8326	0.4841
0.95	54.0	0.3898	0.4631
0.95	66.0	1.0207	0.3773
0.95	78.0	-0.0627	0.3418
0.95	90.0	0.3545	0.3799
0.95	102.0	-0.0564	0.3573
0.95	114.0	0.0327	0.3303
0.95	126.0	0.0576	0.3954
0.95	138.0	-0.2584	0.3962
0.95	150.0	-0.328	0.4164
0.95	162.0	0.4735	0.559
0.95	174.0	-0.1485	0.4865
0.95	198.0	-0.6379	0.5031
0.95	210.0	0.157	0.5447
0.95	222.0	-0.8736	0.5111
0.95	234.0	0.8732	0.6167
0.95	246.0	-0.1427	0.4335
0.95	258.0	-0.0779	0.4409
0.95	270.0	0.0944	0.3968
0.95	282.0	0.174	0.4705
0.95	306.0	0.2163	0.6171

CLAS Physics Database