Measurement E151M998

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:	0.765
Q²:	0.496 GeV²
W:	1355.0 GeV
E_beam:	2.999 GeV
ε:	0.9229

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.55	66.0	0.6773	0.7694	0.0579
0.55	78.0	1.3475	0.8239	0.103
0.55	90.0	0.1668	0.5713	0.0324
0.55	102.0	-0.7612	0.6683	0.0632
0.65	66.0	1.526	0.8719	0.1155
0.65	78.0	0.4428	0.7359	0.0441
0.65	90.0	0.6284	0.7299	0.0549
0.65	258.0	0.2399	0.6169	0.0347
0.65	282.0	-0.9171	0.4757	0.0734
0.75	66.0	-0.0322	0.7229	0.0301
0.75	78.0	1.0628	0.682	0.0833
0.75	90.0	0.2531	0.5801	0.0352
0.75	102.0	0.1736	0.7016	0.0326
0.75	114.0	0.0037	0.8145	0.03
0.75	246.0	-0.3231	0.6899	0.0382
0.75	258.0	0.7434	0.653	0.0621
0.75	270.0	-0.3034	0.5724	0.0373
0.75	282.0	-0.2906	0.505	0.0368
0.75	294.0	-0.8429	0.4794	0.0685
0.75	306.0	-0.3026	0.6185	0.0373
0.75	318.0	0.083	0.5903	0.0306
0.85	66.0	0.0881	0.8051	0.0307
0.85	78.0	-1.1373	0.4652	0.0884
0.85	90.0	1.2622	0.7661	0.097
0.85	102.0	0.0004	0.5867	0.03
0.85	114.0	-0.1163	0.6915	0.0312
0.85	126.0	-1.0576	0.6161	0.0829
0.85	234.0	1.144	0.8381	0.0888
0.85	246.0	-0.1676	0.5684	0.0324
0.85	258.0	-0.3433	0.5472	0.0391
0.85	270.0	0.4604	0.6141	0.0451
0.85	282.0	-0.1646	0.562	0.0323
0.85	294.0	-0.4386	0.5074	0.0439
0.85	306.0	-0.3394	0.4764	0.0389
0.85	318.0	-0.3928	0.4644	0.0415
0.85	330.0	-0.9093	0.4423	0.0729
0.95	90.0	-0.7628	0.543	0.0633
0.95	234.0	-0.3854	0.6434	0.0412
0.95	246.0	-0.8718	0.4649	0.0704
0.95	258.0	-0.1689	0.5415	0.0324
0.95	270.0	0.8169	0.7085	0.0668
0.95	282.0	-0.2906	0.5772	0.0368
0.95	306.0	-0.5856	0.5651	0.0523
0.95	318.0	0.0791	0.6188	0.0306
0.95	330.0	-0.196	0.6232	0.0332

CLAS Physics Database