Measurement E151M1330

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:	0.0364
Q²:	0.0121 GeV²
W:	1355.0 GeV
E_beam:	1.0539 GeV
ε:	0.8024

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LL	uncertainty	syst. uncert.
0.25	42.0	-0.9455	1.0265	0.1108
0.35	42.0	0.4966	0.7081	0.0635
0.35	54.0	0.2735	0.7003	0.043
0.45	30.0	0.8705	0.9253	0.1027
0.45	42.0	-1.166	0.6784	0.1349
0.45	54.0	-1.1563	0.6485	0.1338
0.45	66.0	-0.5176	0.9412	0.0656
0.55	18.0	-1.1507	0.9326	0.1332
0.55	30.0	0.1983	0.5812	0.0374
0.55	42.0	0.5516	0.5559	0.0691
0.55	54.0	-0.594	0.6771	0.0734
0.55	66.0	-0.2227	1.102	0.0391
0.55	210.0	0.0829	0.9	0.0314
0.55	222.0	0.4444	0.8061	0.0584
0.55	234.0	-0.0824	0.5377	0.0314
0.55	246.0	0.1883	0.6952	0.0368
0.55	258.0	-0.8771	0.641	0.1034
0.65	42.0	0.1263	0.7147	0.0332
0.65	54.0	-0.3379	0.6604	0.0485
0.65	138.0	1.539	0.7221	0.1762
0.65	150.0	-0.128	0.7188	0.0333
0.65	162.0	0.4715	0.7789	0.0611
0.65	174.0	0.9435	0.7208	0.1106
0.65	198.0	-0.1161	0.9281	0.0327
0.65	210.0	-0.798	0.7191	0.0949
0.65	222.0	0.1237	0.5469	0.0331
0.65	234.0	-1.1102	0.5137	0.1288
0.65	246.0	-0.208	0.4785	0.0381
0.65	258.0	0.9771	0.6491	0.1142
0.75	138.0	-1.5327	0.8399	0.1755
0.75	150.0	-0.2926	0.8343	0.0446
0.75	162.0	0.574	0.8059	0.0714
0.75	174.0	0.8305	0.8883	0.0984
0.75	210.0	0.2318	0.7047	0.0398
0.75	222.0	0.1629	0.6067	0.0352
0.75	234.0	-0.1293	0.537	0.0334
0.75	246.0	0.2808	0.4951	0.0436
0.75	258.0	0.3337	0.6352	0.0481
0.85	210.0	-0.3353	0.9008	0.0483
0.85	222.0	-0.0768	0.6157	0.0312
0.85	234.0	0.2112	0.5208	0.0383
0.85	246.0	-0.3303	0.5626	0.0478
0.85	258.0	0.7503	0.6582	0.0898

CLAS Physics Database