Measurement E151M546

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:	0.1001
Q²:	0.0348 GeV²
W:	1385.0 GeV
E_beam:	1.9889 GeV
ε:	0.9396

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.35	66.0	0.5274	0.6055
0.35	78.0	-0.5602	0.4485
0.35	282.0	-0.8642	0.4524
0.35	294.0	-0.2381	0.6219
0.45	66.0	-0.4492	0.5468
0.45	78.0	0.3917	0.4409
0.45	90.0	0.4889	0.5776
0.45	282.0	-0.1725	0.4799
0.45	294.0	-0.7222	0.4849
0.45	306.0	-1.2891	0.4471
0.55	66.0	1.6217	0.7236
0.55	78.0	0.7137	0.5025
0.55	90.0	0.3703	0.5373
0.55	126.0	-0.161	0.6997
0.55	246.0	-0.1458	0.5421
0.55	258.0	-0.1826	0.7065
0.55	270.0	0.057	0.4961
0.55	282.0	0.0098	0.4473
0.55	294.0	-0.4106	0.457
0.65	78.0	-0.1023	0.5058
0.65	90.0	0.2225	0.636
0.65	102.0	0.9064	0.6352
0.65	114.0	-0.5326	0.5856
0.65	126.0	-0.7643	0.4943
0.65	138.0	-0.5704	0.5214
0.65	222.0	0.6083	0.6063
0.65	234.0	1.1318	0.4697
0.65	246.0	0.5876	0.4674
0.65	258.0	-0.4458	0.5567
0.65	270.0	-0.1838	0.6529
0.65	282.0	-0.8155	0.5511
0.75	90.0	0.2752	0.6371
0.75	102.0	0.5605	0.7085
0.75	114.0	0.4748	0.5023
0.75	126.0	0.067	0.4846
0.75	138.0	-0.4361	0.4389
0.75	150.0	0.3437	0.5571
0.75	210.0	-0.2141	0.5426
0.75	222.0	0.644	0.5064
0.75	234.0	-0.0155	0.4551
0.75	246.0	-0.3006	0.3818
0.75	258.0	-0.2216	0.5391
0.85	114.0	-0.4217	0.5813
0.85	126.0	0.0842	0.5078
0.85	138.0	0.5041	0.5322
0.85	150.0	-0.5045	0.5075
0.85	210.0	-1.0758	0.3828
0.85	222.0	0.203	0.4695
0.85	234.0	0.0126	0.4383
0.85	246.0	1.3815	0.406
0.85	258.0	1.2757	0.4739
0.95	222.0	0.8261	0.5452

CLAS Physics Database