Measurement E151M785

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_UL
ε_L:	0.5481
Q²:	0.2445 GeV²
W:	1355.0 GeV
E_beam:	2.2596 GeV
ε:	0.9168

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.75	78.0	0.5948	1.3577	0.0626
0.75	90.0	-0.1526	1.185	0.0331
0.75	102.0	-0.6386	1.2932	0.0661
0.75	246.0	0.3066	1.112	0.0412
0.75	258.0	-1.95	0.9188	0.1825
0.75	270.0	-0.0943	0.9036	0.0312
0.75	282.0	0.6295	1.1662	0.0654
0.85	90.0	1.4067	1.4998	0.1333
0.85	102.0	2.2994	1.53	0.2143
0.85	114.0	0.8097	1.4911	0.0805
0.85	258.0	-1.0663	1.0392	0.1029
0.85	270.0	-1.3886	0.9972	0.1316
0.85	282.0	0.9001	1.2647	0.0883
0.85	294.0	-0.0409	1.0922	0.0302
0.95	90.0	-3.0509	3.8759	0.2832
0.95	102.0	10.1166	4.1251	0.9342
0.95	282.0	0.708	3.0139	0.0719
0.95	294.0	-1.9912	3.257	0.1862
0.65	90.0	-0.0344	0.5936	0.0301
0.65	102.0	-0.3614	0.5985	0.0382
0.65	258.0	0.1338	0.6197	0.0313
0.75	90.0	0.1528	0.5875	0.0316
0.75	102.0	0.1609	0.5806	0.0318
0.75	246.0	-0.7664	0.524	0.0586
0.75	258.0	-0.689	0.5388	0.0543
0.75	270.0	0.8148	0.6534	0.0613
0.75	282.0	-0.2044	0.4753	0.0329
0.75	294.0	1.0976	0.6449	0.078
0.85	90.0	0.9772	0.6288	0.0708
0.85	102.0	0.1739	0.6489	0.0321
0.85	138.0	-1.1226	0.5793	0.0795
0.85	222.0	-1.4827	0.5612	0.1018
0.85	234.0	-1.4231	0.5181	0.0981
0.85	246.0	2.2149	0.7117	0.1484
0.85	258.0	-0.1263	0.5832	0.0311
0.85	270.0	0.2826	0.6537	0.0353
0.85	282.0	0.165	0.5174	0.0319
0.85	294.0	0.2146	0.5224	0.0331
0.85	306.0	-0.6691	0.5351	0.0532
0.95	258.0	-0.2922	1.0324	0.0356
0.95	282.0	-0.462	0.7855	0.0427
0.95	294.0	-0.8734	0.8606	0.0647
0.95	306.0	-0.4427	0.9038	0.0418

CLAS Physics Database