Measurement E151M3016

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:	0.3594
Q²:	0.205 GeV²
W:	1415.0 GeV
E_beam:	1.9889 GeV
ε:	0.8764

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.25	66.0	-0.3351	0.2227
0.25	282.0	0.5842	0.2497
0.25	294.0	-0.0268	0.2694
0.35	66.0	0.004	0.2333
0.35	282.0	0.2631	0.2508
0.35	294.0	-0.0531	0.2696
0.65	102.0	0.2726	0.232
0.65	114.0	-0.0515	0.2462
0.65	126.0	-0.0481	0.2453
0.65	246.0	-0.3848	0.2146
0.65	258.0	0.1244	0.2841
0.65	270.0	-0.284	0.2728
0.75	90.0	-0.1278	0.1934
0.75	102.0	0.1927	0.2493
0.75	114.0	0.3293	0.1751
0.75	138.0	-0.1494	0.2476
0.75	234.0	-0.4391	0.2378
0.75	246.0	-0.1713	0.2109
0.75	258.0	-0.0761	0.1947
0.75	270.0	-0.1204	0.2104
0.75	282.0	-0.0963	0.2919
0.85	66.0	-0.0907	0.2764
0.85	90.0	-0.1887	0.2623
0.85	102.0	0.1009	0.2047
0.85	114.0	0.2342	0.2137
0.85	126.0	-0.2525	0.2063
0.85	138.0	-0.3749	0.2724
0.85	222.0	-0.2722	0.2632
0.85	234.0	-0.4374	0.2171
0.85	246.0	-0.028	0.1969
0.85	258.0	-0.0109	0.2019
0.85	270.0	-0.0954	0.1948
0.85	282.0	-0.0615	0.2106
0.85	294.0	-0.3226	0.2675
0.95	126.0	0.0916	0.2847
0.95	222.0	-0.0773	0.2732
0.95	234.0	-0.7328	0.1804
0.95	246.0	0.1751	0.2904
0.95	258.0	-0.0692	0.2174
0.95	270.0	-0.1683	0.2149
0.95	282.0	-0.2974	0.1861
0.95	294.0	0.0933	0.2733

CLAS Physics Database