Measurement E151M540

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:	0.433
Q²:	0.1715 GeV²
W:	1355.0 GeV
E_beam:	1.9889 GeV
ε:	0.9108

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.15	66.0	0.9023	0.6889
0.15	306.0	-0.4651	0.6089
0.25	66.0	0.8085	0.5965
0.25	78.0	2.4498	2.4498
0.25	306.0	-0.1898	0.6009
0.35	66.0	0.8892	0.6848
0.35	282.0	0.4239	0.7161
0.35	294.0	0.1376	0.5232
0.45	66.0	0.8671	0.7499
0.45	78.0	0.0345	0.5574
0.55	78.0	-0.6421	0.6215
0.55	258.0	0.1255	0.623
0.55	294.0	0.1623	0.679
0.65	90.0	0.1713	0.6107
0.65	102.0	0.3899	0.5665
0.65	114.0	0.3263	0.5472
0.65	246.0	-0.0411	0.5718
0.65	258.0	-0.0042	0.5137
0.65	270.0	-0.3045	0.4242
0.65	282.0	0.81	0.7145
0.75	78.0	0.3174	0.6865
0.75	90.0	0.2484	0.4344
0.75	102.0	-0.1153	0.3971
0.75	114.0	0.0144	0.5577
0.75	126.0	-0.2877	0.4874
0.75	138.0	-0.6105	0.5991
0.75	222.0	0.2154	0.6292
0.75	234.0	-0.6163	0.4419
0.75	246.0	-0.55	0.468
0.75	258.0	0.4695	0.434
0.75	270.0	0.8382	0.4185
0.75	282.0	-0.3047	0.4835
0.85	90.0	-0.0473	0.4808
0.85	102.0	-0.0225	0.403
0.85	114.0	0.0741	0.4344
0.85	126.0	-0.1112	0.4104
0.85	138.0	0.1906	0.5364
0.85	150.0	1.275	0.7489
0.85	210.0	0.8373	0.7252
0.85	222.0	0.1139	0.4969
0.85	234.0	0.9573	0.4569
0.85	246.0	-0.0294	0.3938
0.85	258.0	-0.5002	0.3329
0.85	270.0	-0.1314	0.4224
0.85	282.0	-0.4327	0.3384
0.85	294.0	0.6447	0.5579
0.95	66.0	0.7147	0.6732
0.95	102.0	0.5529	0.5844
0.95	114.0	-0.0188	0.5143
0.95	126.0	-0.3549	0.4733
0.95	138.0	0.2037	0.5364
0.95	162.0	-0.1272	0.5768
0.95	222.0	0.0944	0.5343
0.95	234.0	0.0738	0.4988
0.95	246.0	0.3171	0.4522
0.95	258.0	-0.2901	0.3309
0.95	270.0	1.2452	0.4177
0.95	282.0	0.4137	0.4161
0.95	294.0	-0.356	0.4251

CLAS Physics Database