Measurement E151M46

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:	0.099
Q²:	0.0171 GeV²
W:	1265.0 GeV
E_beam:	1.0539 GeV
ε:	0.8899

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.25	42.0	0.3994	0.4888
0.25	54.0	-0.7225	0.4109
0.35	30.0	1.0279	0.6626
0.35	42.0	-0.4475	0.4636
0.35	54.0	1.0447	0.548
0.35	66.0	-0.2623	0.6574
0.45	30.0	0.4439	0.4842
0.45	42.0	0.0466	0.4385
0.45	54.0	0.4881	0.5316
0.45	258.0	-0.3826	0.4124
0.45	270.0	0.1667	0.4398
0.55	30.0	-0.5815	0.6008
0.55	42.0	-0.2058	0.4969
0.55	54.0	0.634	0.5351
0.55	234.0	0.0286	0.4927
0.55	246.0	-0.0663	0.3242
0.55	258.0	-0.1065	0.3037
0.55	270.0	-0.6999	0.3023
0.55	282.0	1.441	0.548
0.65	138.0	1.1371	0.6407
0.65	150.0	-0.2051	0.4558
0.65	162.0	0.6228	0.578
0.65	174.0	0.0218	0.5059
0.65	186.0	-0.1195	0.6083
0.65	222.0	0.3009	0.5163
0.65	234.0	0.0785	0.3302
0.65	246.0	-0.0654	0.2516
0.65	258.0	0.031	0.2614
0.65	270.0	0.6	0.3339
0.65	282.0	0.7438	0.5558
0.75	138.0	-0.093	0.4664
0.75	150.0	-0.4041	0.3667
0.75	162.0	-0.234	0.3687
0.75	174.0	0.0025	0.3471
0.75	186.0	0.763	0.3995
0.75	198.0	-0.2493	0.4444
0.75	210.0	-1.0583	0.4412
0.75	222.0	-0.4171	0.3566
0.75	234.0	-0.0062	0.3238
0.75	246.0	0.3802	0.2743
0.75	258.0	0.06	0.2605
0.75	270.0	-0.197	0.2932
0.75	282.0	0.3715	0.4812
0.85	138.0	1.2403	0.5257
0.85	150.0	0.4383	0.4851
0.85	162.0	0.1443	0.3851
0.85	174.0	-0.5916	0.3696
0.85	186.0	-0.0357	0.4499
0.85	198.0	0.0525	0.4823
0.85	210.0	-0.4317	0.4628
0.85	222.0	-0.2511	0.4273
0.85	234.0	-0.3074	0.3277
0.85	246.0	-0.0039	0.2775
0.85	258.0	-0.0034	0.3237
0.85	270.0	0.1524	0.3988

CLAS Physics Database