Measurement E151M3113

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:	0.0261
Q²:	0.0291 GeV²
W:	1625.0 GeV
E_beam:	1.9889 GeV
ε:	0.8139

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.35	78.0	-0.1239	0.2578
0.45	78.0	0.2261	0.2538
0.45	90.0	-0.2327	0.2612
0.45	138.0	0.2265	0.2641
0.45	270.0	0.5177	0.2165
0.45	282.0	-0.2039	0.2644
0.55	78.0	-0.149	0.2365
0.55	198.0	0.2876	0.2876
0.55	210.0	0.1761	0.2249
0.55	270.0	-0.3398	0.1942
0.55	282.0	-0.1537	0.2589
0.65	126.0	-0.1903	0.2223
0.65	138.0	-0.1568	0.2208
0.65	150.0	-0.1465	0.2813
0.65	210.0	-0.1995	0.2554
0.65	222.0	0.1637	0.2405
0.65	282.0	-0.2738	0.2492
0.75	66.0	0.1051	0.2505
0.75	78.0	-0.006	0.2551
0.75	210.0	0.0889	0.2147
0.75	222.0	-0.0167	0.213
0.75	270.0	0.4927	0.1789
0.75	282.0	0.0079	0.222
0.75	294.0	0.2053	0.2629
0.85	114.0	-0.1481	0.2297
0.85	126.0	-0.0201	0.191
0.85	138.0	-0.2944	0.2311
0.85	198.0	-0.3123	0.2221
0.85	210.0	0.0992	0.2282
0.85	222.0	-0.0259	0.2265

CLAS Physics Database