Measurement E151M1635

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:	0.0577
Q²:	0.0593 GeV²
W:	1535.0 GeV
E_beam:	1.3383 GeV
ε:	0.6517

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty
0.55	150.0	1.9478	0.8571
0.55	162.0	-0.9337	0.9978
0.55	210.0	-1.431	0.9874
0.55	222.0	0.8293	0.9543
0.55	234.0	0.991	0.8802
0.55	246.0	-0.6837	0.7473
0.65	126.0	0.5079	0.9285
0.65	138.0	-1.1785	0.8653
0.65	150.0	1.9112	0.7334
0.65	162.0	0.5816	0.8827
0.65	210.0	0.7529	0.8488
0.65	222.0	1.241	0.7449
0.65	234.0	0.1282	0.7345
0.65	246.0	0.0205	0.9506
0.75	138.0	-1.8794	0.6581
0.75	150.0	-0.355	0.8735
0.75	222.0	-1.0573	0.9468
0.75	234.0	-0.2157	0.8078
0.75	246.0	0.3845	0.6675
0.85	126.0	0.7911	0.9249
0.85	222.0	0.4751	0.7467
0.85	234.0	-0.0828	0.7622
0.85	246.0	-0.9159	0.6918
0.85	258.0	-1.1865	0.7959
0.95	246.0	-0.8171	0.7503
0.55	258.0	-1.6823	1.1641
0.65	138.0	0.1193	1.295
0.65	162.0	1.8321	0.7283
0.65	210.0	-2.2292	0.5495
0.65	222.0	-0.8562	0.8944
0.65	234.0	-0.2836	1.0212
0.65	246.0	-1.455	0.933
0.75	222.0	-0.6769	1.0332
0.75	234.0	-0.1697	0.9866
0.75	246.0	-0.5155	1.1109
0.75	258.0	-1.3624	0.8288
0.85	222.0	0.2209	1.027
0.85	234.0	0.7018	0.9221
0.85	246.0	-1.6097	0.5297
0.85	258.0	0.3286	1.2568

CLAS Physics Database