Measurement E151M1429

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:	0.5635
Q²:	0.0707 GeV²
W:	1205.0 GeV
E_beam:	1.3383 GeV
ε:	0.9333

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty
0.55	270.0	-0.38	0.4614
0.55	282.0	-0.1175	0.3765
0.65	258.0	-0.9955	0.5613
0.65	270.0	0.0127	0.3824
0.65	282.0	0.052	0.3748
0.75	258.0	0.117	0.3959
0.75	270.0	0.1282	0.3753
0.85	126.0	-1.1055	0.6191
0.85	138.0	-0.0356	0.7443
0.85	150.0	-1.397	0.5257
0.85	162.0	0.5465	0.7554
0.85	186.0	-0.0174	0.8269
0.85	270.0	-0.561	0.6462
0.95	126.0	0.6123	0.7899
0.95	138.0	0.3919	0.6676
0.95	150.0	-0.0719	0.6425
0.95	162.0	0.987	0.5448
0.95	174.0	0.3596	0.5658
0.95	186.0	-0.3869	0.6576
0.95	210.0	-0.2274	0.6457
0.75	282.0	-1.3142	0.61
0.85	126.0	-0.3329	0.5772
0.85	138.0	-0.0569	0.6266
0.85	150.0	0.1102	0.5619
0.85	162.0	0.6558	0.6142
0.85	186.0	-0.2872	0.5517
0.85	258.0	0.046	0.5429
0.95	126.0	0.4943	0.4857
0.95	138.0	-0.0462	0.4631
0.95	162.0	-0.0473	0.4646
0.95	174.0	0.8519	0.4579
0.95	186.0	-0.9257	0.4812
0.95	198.0	0.3847	0.5081

CLAS Physics Database