Measurement E151M1314

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:	0.1029
Q²:	0.0291 GeV²
W:	1325.0 GeV
E_beam:	1.0539 GeV
ε:	0.82

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty	syst. uncert.
0.15	42.0	1.5616	0.8129	0.1787
0.25	30.0	1.3305	0.804	0.153
0.25	42.0	0.5868	0.7645	0.0727
0.25	54.0	0.8758	0.8218	0.1032
0.35	30.0	-0.1263	0.8083	0.0332
0.35	42.0	-1.2465	0.6726	0.1438
0.35	54.0	-0.091	0.849	0.0317
0.45	30.0	-0.6131	0.5694	0.0754
0.45	42.0	-0.2841	0.6635	0.0439
0.45	54.0	-0.264	0.7383	0.0423
0.55	42.0	-0.2593	0.7549	0.0419
0.55	54.0	0.9129	0.8547	0.1072
0.55	234.0	-0.2006	0.5416	0.0376
0.55	246.0	0.5477	0.5099	0.0687
0.55	258.0	-0.194	0.4855	0.0371
0.55	270.0	1.0884	0.612	0.1264
0.65	138.0	-0.8104	0.7916	0.0962
0.65	150.0	0.0003	0.7403	0.03
0.65	162.0	0.0438	0.8066	0.0304
0.65	174.0	0.5803	0.887	0.072
0.65	186.0	1.9197	0.7684	0.2186
0.65	210.0	0.7386	0.8302	0.0885
0.65	222.0	-0.2232	0.5904	0.0392
0.65	234.0	0.5779	0.4709	0.0718
0.65	246.0	-1.1098	0.4614	0.1287
0.65	258.0	0.5679	0.4246	0.0707
0.65	270.0	-0.3165	0.5601	0.0466
0.75	138.0	1.3199	0.6988	0.1519
0.75	150.0	0.9197	0.6141	0.108
0.75	162.0	1.1714	0.6179	0.1355
0.75	174.0	1.3215	0.5916	0.152
0.75	186.0	1.5357	0.6848	0.1758
0.75	222.0	-0.766	0.6187	0.0915
0.75	234.0	-0.0008	0.4768	0.03
0.75	246.0	0.2757	0.4714	0.0432
0.75	258.0	-0.4236	0.437	0.0564
0.75	270.0	-0.0303	0.4792	0.0302
0.75	282.0	0.4146	0.7891	0.0556
0.85	138.0	0.0557	0.7538	0.0307
0.85	150.0	-0.068	0.6702	0.031
0.85	162.0	-0.0263	0.7024	0.0301
0.85	174.0	1.0934	0.7523	0.1269
0.85	222.0	-0.1599	0.7227	0.035
0.85	234.0	-0.4085	0.508	0.055
0.85	246.0	-0.0458	0.3959	0.0304
0.85	258.0	0.0567	0.4929	0.0307
0.85	270.0	-0.0947	0.4352	0.0318
0.85	282.0	0.7284	0.7549	0.0875
0.95	138.0	-0.0384	0.6001	0.0303
0.95	246.0	-0.1894	0.5203	0.0368
0.95	258.0	-0.3148	0.6607	0.0465

CLAS Physics Database