Measurement E151M1615

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:	0.0512
Q²:	0.0415 GeV²
W:	1505.0 GeV
E_beam:	1.3383 GeV
ε:	0.7115

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty
0.45	30.0	-0.3505	0.6431
0.45	42.0	-1.8228	0.7638
0.45	222.0	-0.7537	0.8584
0.45	234.0	0.3467	0.7301
0.55	138.0	-0.1276	0.6514
0.55	162.0	-0.657	0.6904
0.55	210.0	-1.0175	0.8263
0.55	222.0	-0.3751	0.8346
0.55	234.0	0.2512	0.6693
0.55	246.0	-0.2481	0.6803
0.65	126.0	-0.2917	0.7413
0.65	138.0	-1.0068	0.7332
0.65	150.0	-0.2649	0.6459
0.65	162.0	0.2449	0.8045
0.65	210.0	-0.5722	0.5972
0.65	222.0	0.3845	0.5848
0.65	234.0	0.278	0.5814
0.65	246.0	-0.0301	0.6446
0.65	258.0	-1.1756	0.6926
0.75	126.0	1.029	0.6644
0.75	138.0	0.5505	0.6938
0.75	150.0	-0.6943	0.6429
0.75	162.0	-0.4207	0.6648
0.75	222.0	-0.7444	0.7736
0.75	234.0	0.8006	0.5913
0.75	246.0	-0.636	0.5802
0.85	126.0	0.1168	0.7044
0.85	210.0	-1.5869	0.6671
0.85	222.0	0.9511	0.5606
0.85	234.0	-0.2258	0.5949
0.85	246.0	0.5874	0.5397
0.35	30.0	-1.5691	1.0253
0.35	42.0	-0.954	0.934
0.45	30.0	-0.774	0.8592
0.45	42.0	1.6983	0.577
0.45	210.0	0.3598	1.0493
0.45	234.0	-0.398	0.9829
0.45	246.0	-0.7936	1.0168
0.55	42.0	1.9265	0.6879
0.55	138.0	-1.5798	0.9901
0.55	150.0	-1.0459	1.0679
0.55	210.0	-0.6376	1.1104
0.55	222.0	-0.6203	0.8956
0.55	234.0	1.7899	0.5399
0.55	246.0	-0.2373	0.8789
0.65	126.0	-0.0548	1.0953
0.65	150.0	-0.5947	0.8508
0.65	210.0	1.2119	0.743
0.65	222.0	0.981	0.6534
0.65	234.0	-0.9955	0.6871
0.65	246.0	-1.0795	0.6238
0.75	138.0	-2.1303	0.5897
0.75	150.0	-0.1382	0.9934
0.75	162.0	0.7578	1.0339
0.75	210.0	0.1114	1.0576
0.75	222.0	0.0835	0.7444
0.75	234.0	-0.0523	0.8156
0.75	246.0	-0.2698	0.7245
0.75	258.0	0.4992	0.8915
0.85	222.0	-1.2899	0.7017
0.85	234.0	0.3918	0.7177
0.85	246.0	1.6438	0.4901
0.85	258.0	-1.3516	0.9607
0.95	246.0	-0.4854	0.7305

CLAS Physics Database