Measurement E151M2851

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_LU
ε_L:	0.0221
Q²:	0.0205 GeV²
W:	1535.0 GeV
E_beam:	1.3383 GeV
ε:	0.6866

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.45	18.0	0.0011	0.2637
0.45	30.0	0.1677	0.2666
0.45	42.0	0.3796	0.1627
0.45	222.0	0.1208	0.1926
0.55	42.0	-0.2252	0.1939
0.55	138.0	-0.1622	0.2656
0.55	150.0	0.2376	0.1905
0.55	162.0	0.4043	0.2533
0.55	174.0	-0.3645	0.2524
0.55	186.0	0.0475	0.2808
0.55	210.0	-0.1611	0.3794
0.55	222.0	-0.4108	0.1663
0.55	234.0	-0.0479	0.175
0.55	246.0	0.0776	0.2028
0.65	138.0	-0.0324	0.197
0.65	162.0	0.0214	0.1885
0.65	210.0	0.1984	0.1817
0.65	222.0	-0.069	0.1637
0.65	234.0	-0.1721	0.1774
0.75	138.0	-0.0582	0.407
0.75	150.0	0.0566	0.352
0.75	210.0	0.285	0.2052
0.75	222.0	-0.3653	0.1716
0.75	234.0	-0.0292	0.1989
0.85	126.0	0.0258	0.2475
0.85	138.0	-0.082	0.2216
0.85	210.0	0.023	0.2484
0.85	222.0	-0.2391	0.2588
0.85	234.0	0.0539	0.2621
0.75	246.0	0.1222	0.298
0.85	126.0	0.2573	0.3658
0.85	222.0	0.3331	0.3715
0.85	234.0	0.2179	0.3962

CLAS Physics Database