Measurement E151M1365

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:	0.0046
Q²:	0.0023 GeV²
W:	1415.0 GeV
E_beam:	1.0539 GeV
ε:	0.7262

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty
0.35	42.0	-0.7459	1.0323
0.35	54.0	-1.1903	0.712
0.45	42.0	0.4871	0.6103
0.45	54.0	0.5783	0.7043
0.45	66.0	-0.8945	0.8756
0.45	150.0	0.8508	0.9155
0.45	210.0	0.7406	0.7586
0.45	222.0	0.3386	0.6623
0.45	234.0	0.6395	0.6527
0.45	246.0	0.7915	0.7017
0.55	30.0	-0.3185	0.6753
0.55	42.0	0.4769	0.5376
0.55	54.0	-0.7585	0.4828
0.55	66.0	-1.4263	0.7156
0.55	150.0	-1.3103	0.6615
0.55	162.0	-0.3383	0.7114
0.55	174.0	-1.3509	0.7358
0.55	186.0	-0.1515	0.8691
0.55	198.0	-0.1413	0.9912
0.55	210.0	0.6117	0.6635
0.55	222.0	-0.2788	0.614
0.55	234.0	-0.5958	0.4567
0.55	246.0	0.7296	0.5729
0.65	18.0	0.269	0.8539
0.65	30.0	-1.5963	0.5814
0.65	42.0	-0.1028	0.5784
0.65	54.0	-0.4765	0.531
0.65	66.0	1.3745	0.7442
0.65	138.0	-1.278	0.8062
0.65	150.0	-1.8084	0.6424
0.65	162.0	-1.0698	0.8884
0.65	174.0	-0.5057	0.709
0.65	186.0	0.2997	0.7986
0.65	198.0	0.8138	0.9014
0.65	210.0	0.5486	0.7137
0.65	222.0	0.6877	0.4864
0.65	234.0	-0.6211	0.4458
0.65	246.0	0.1015	0.519
0.75	42.0	-0.0332	0.7705
0.75	138.0	-0.1519	0.9125
0.75	150.0	-0.6862	0.7284
0.75	162.0	-0.5998	0.8111
0.75	174.0	-2.453	2.453
0.75	210.0	-0.2173	0.615
0.75	222.0	0.6772	0.5088
0.75	234.0	0.7047	0.3958
0.75	246.0	-0.0188	0.5443
0.85	210.0	-0.4934	0.5812
0.85	222.0	-0.6713	0.4811
0.85	234.0	-0.2889	0.4595
0.85	246.0	0.8524	0.5528

CLAS Physics Database