Measurement E151M1251

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_LL
ε_L:	0.2379
Q²:	0.0348 GeV²
W:	1235.0 GeV
E_beam:	1.0539 GeV
ε:	0.8967

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty	syst. uncert.
0.15	42.0	-0.3038	0.5809	0.0455
0.15	54.0	0.5041	0.6443	0.0643
0.25	42.0	-0.265	0.5097	0.0423
0.25	54.0	0.0164	0.4779	0.0301
0.35	42.0	-0.3532	0.513	0.0499
0.35	54.0	0.9962	0.4427	0.1163
0.35	66.0	-0.8648	0.7557	0.1021
0.45	42.0	-1.247	0.5846	0.1438
0.45	54.0	0.1618	0.6382	0.0351
0.45	270.0	0.2968	0.4853	0.0449
0.45	282.0	0.4313	0.4326	0.0572
0.55	246.0	0.5393	0.5501	0.0678
0.55	258.0	-0.1316	0.4031	0.0335
0.55	270.0	-0.1688	0.3564	0.0355
0.55	282.0	-0.0748	0.36	0.0312
0.65	234.0	-0.4182	0.5133	0.0559
0.65	246.0	-0.0081	0.3859	0.03
0.65	258.0	0.2386	0.3036	0.0403
0.65	270.0	0.2973	0.3175	0.045
0.65	282.0	-0.1972	0.3856	0.0373
0.75	138.0	0.6018	0.6607	0.0742
0.75	150.0	0.5311	0.5448	0.067
0.75	162.0	-0.0918	0.4598	0.0317
0.75	174.0	0.6447	0.4941	0.0787
0.75	186.0	-0.56	0.5337	0.0699
0.75	198.0	1.3231	0.4401	0.1522
0.75	210.0	-0.2312	0.5339	0.0397
0.75	234.0	-0.731	0.4954	0.0877
0.75	246.0	0.4122	0.4211	0.0553
0.75	258.0	-0.1097	0.2788	0.0325
0.75	270.0	-0.969	0.2982	0.1133
0.75	282.0	0.7118	0.3875	0.0857
0.85	138.0	0.3848	0.4428	0.0528
0.85	150.0	-0.5173	0.4174	0.0656
0.85	162.0	0.0556	0.3731	0.0306
0.85	174.0	-0.2055	0.3769	0.0379
0.85	186.0	0.1046	0.4076	0.0322
0.85	198.0	-0.3367	0.4692	0.0484
0.85	210.0	-0.3467	0.4611	0.0493
0.85	222.0	-0.4193	0.5292	0.056
0.85	234.0	-0.1729	0.4539	0.0358
0.85	246.0	-0.0672	0.4088	0.0309
0.85	258.0	-0.0526	0.3706	0.0306
0.85	270.0	0.4696	0.3916	0.0609
0.95	150.0	0.686	0.4242	0.083
0.95	162.0	-0.1024	0.5407	0.0321
0.95	186.0	0.329	0.4557	0.0477
0.95	198.0	0.757	0.4664	0.0905

CLAS Physics Database