Measurement E151M1371

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:	0.0236
Q²:	0.0121 GeV²
W:	1415.0 GeV
E_beam:	1.0539 GeV
ε:	0.7141

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty	syst. uncert.
0.25	42.0	-2.3842	0.8294	0.2706
0.35	30.0	-1.5595	0.9923	0.1784
0.35	42.0	-0.5717	0.6939	0.0711
0.35	54.0	-0.5886	0.7034	0.0729
0.45	30.0	-0.9513	0.9133	0.1114
0.45	42.0	-0.8914	0.5978	0.1049
0.45	54.0	0.0709	0.6217	0.031
0.45	66.0	0.5507	0.8777	0.069
0.45	222.0	-0.5433	0.8309	0.0682
0.45	234.0	-0.4135	0.7287	0.0555
0.45	246.0	-0.4239	0.8629	0.0564
0.55	18.0	0.8084	0.8779	0.096
0.55	30.0	1.3393	0.7784	0.154
0.55	42.0	-0.3437	0.5372	0.049
0.55	54.0	-0.1885	0.6216	0.0368
0.55	66.0	-2.1461	0.7539	0.2439
0.55	138.0	-0.1247	0.9262	0.0331
0.55	150.0	0.6793	0.837	0.0823
0.55	162.0	0.3603	0.8305	0.0505
0.55	210.0	0.0214	0.9724	0.0301
0.55	222.0	0.725	0.6574	0.0871
0.55	234.0	-0.0587	0.7713	0.0307
0.55	246.0	-1.0504	0.647	0.1222
0.55	258.0	0.7914	0.7844	0.0942
0.65	30.0	-1.335	0.9251	0.1535
0.65	42.0	0.7865	0.9413	0.0936
0.65	54.0	0.5198	0.876	0.0659
0.65	138.0	-0.8257	1.0055	0.0978
0.65	150.0	1.8448	0.6635	0.2102
0.65	162.0	-1.4761	0.6996	0.1692
0.65	210.0	-1.8524	0.7902	0.2111
0.65	222.0	-1.9011	0.5043	0.2165
0.65	234.0	-0.1894	0.5691	0.0368
0.65	246.0	0.2708	0.5486	0.0428
0.65	258.0	-1.0024	0.8058	0.117
0.75	42.0	-1.1118	0.9301	0.1289
0.75	138.0	-1.0713	0.7972	0.1245
0.75	150.0	-0.3199	0.9326	0.0469
0.75	162.0	-0.0901	0.965	0.0317
0.75	174.0	0.3994	0.9342	0.0541
0.75	210.0	0.1646	0.792	0.0353
0.75	222.0	-0.3784	0.6107	0.0522
0.75	234.0	-0.048	0.6003	0.0305
0.75	246.0	1.1158	0.5156	0.1294
0.75	258.0	0.1807	0.8063	0.0363
0.85	150.0	1.1565	0.847	0.1338
0.85	210.0	0.4872	0.8222	0.0626
0.85	222.0	0.0057	0.6317	0.03
0.85	234.0	-0.2666	0.5295	0.0425
0.85	246.0	0.2744	0.4802	0.0431
0.85	258.0	-0.0317	0.7039	0.0302

CLAS Physics Database