Measurement E151M3321

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:	0.129
Q²:	0.1205 GeV²
W:	1565.0 GeV
E_beam:	2.2596 GeV
ε:	0.8673

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.55	114.0	-0.3416	0.1736	0.0308
0.65	102.0	-0.149	0.2362	0.0301
0.65	114.0	-0.0456	0.2331	0.03
0.65	138.0	0.0574	0.2605	0.03
0.65	222.0	0.2238	0.2407	0.0303
0.65	234.0	0.0529	0.1734	0.03
0.75	102.0	0.3128	0.2476	0.0306
0.75	114.0	0.0372	0.1711	0.0302
0.75	126.0	-0.1901	0.2555	0.0302
0.75	210.0	-0.3419	0.2422	0.0308
0.75	222.0	-0.0972	0.2081	0.0301
0.75	234.0	0.0413	0.1652	0.0304
0.85	90.0	0.1785	0.24	0.0302
0.85	222.0	-0.2194	0.2069	0.0303
0.85	234.0	0.0073	0.2279	0.03
0.85	246.0	0.0667	0.2608	0.03
0.95	234.0	0.1542	0.2415	0.0302
0.95	246.0	-0.1714	0.239	0.0302
0.75	282.0	-0.0213	0.2325	0.03
0.75	294.0	0.0967	0.2476	0.0301
0.85	90.0	0.0302	0.2609	0.03
0.85	198.0	0.4937	0.2377	0.0316
0.85	222.0	0.0554	0.2064	0.03
0.85	234.0	0.3126	0.2085	0.0306
0.85	246.0	-0.3708	0.2111	0.0309
0.95	246.0	-0.2043	0.2343	0.0303
0.95	258.0	0.0451	0.2459	0.03

CLAS Physics Database