Measurement E151M1619

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:	0.0929
Q²:	0.0844 GeV²
W:	1505.0 GeV
E_beam:	1.3383 GeV
ε:	0.6744

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty
0.55	138.0	-0.1439	0.6982
0.55	222.0	-0.7995	0.8103
0.55	234.0	0.22	0.8267
0.55	246.0	-0.8733	0.7042
0.65	126.0	-0.262	0.8463
0.65	138.0	-1.1569	0.6583
0.65	150.0	1.4265	0.7682
0.65	162.0	-0.3319	0.8463
0.65	222.0	-0.2304	0.6057
0.65	234.0	-0.0947	0.6818
0.65	246.0	0.7337	0.7854
0.65	258.0	-1.5413	0.7208
0.75	126.0	0.4573	0.7005
0.75	138.0	-2.515	2.515
0.75	150.0	-1.7235	0.7536
0.75	162.0	1.2433	0.7432
0.75	222.0	0.2504	0.7722
0.75	234.0	-0.3373	0.7351
0.75	246.0	-0.3416	0.5321
0.75	258.0	0.2736	0.6315
0.85	222.0	0.6848	0.7882
0.85	234.0	-0.7679	0.557
0.85	246.0	0.3349	0.5806
0.85	258.0	-0.0723	0.6518
0.85	270.0	-0.2689	0.7886
0.95	114.0	0.3716	0.6128
0.95	138.0	0.0311	0.7716
0.95	258.0	1.3438	0.5021
0.25	42.0	-0.706	1.147
0.45	234.0	-0.3844	1.051
0.55	234.0	-0.1339	0.965
0.55	246.0	-0.7233	0.7592
0.65	126.0	1.3766	0.9958
0.65	138.0	0.3692	0.9287
0.65	150.0	0.0501	1.0276
0.65	210.0	-0.1731	1.1391
0.65	222.0	-1.0155	0.8273
0.65	234.0	0.7747	0.659
0.65	246.0	-0.3581	0.7556
0.65	258.0	0.2498	1.0791
0.75	126.0	1.4386	0.8949
0.75	138.0	-1.1172	0.8401
0.75	222.0	0.1789	0.8457
0.75	234.0	0.1831	0.8328
0.75	246.0	0.6904	0.6999
0.75	258.0	1.658	0.6012
0.85	222.0	-0.1145	0.9393
0.85	234.0	0.1508	0.75
0.85	246.0	-0.2999	0.7601
0.85	258.0	-0.9131	0.5949
0.95	114.0	0.4956	0.772
0.95	234.0	-0.9861	0.7485
0.95	246.0	0.9679	0.6529
0.95	258.0	0.8484	0.6467

CLAS Physics Database