Measurement E151M2528

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:	0.027
Q²:	0.0071 GeV²
W:	1325.0 GeV
E_beam:	1.0539 GeV
ε:	0.8432

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.55	42.0	-0.0043	0.258
0.55	222.0	-0.2919	0.2515
0.55	234.0	0.0507	0.2222
0.55	246.0	-0.2368	0.2243
0.65	54.0	-0.1179	0.2137
0.65	222.0	-0.0683	0.2119
0.65	234.0	-0.4001	0.1918
0.65	246.0	0.2406	0.2082
0.65	258.0	0.1831	0.224
0.75	222.0	0.0664	0.2584
0.75	234.0	-0.0832	0.1754
0.75	246.0	-0.3713	0.1833
0.75	258.0	0.5039	0.1997
0.85	222.0	0.0436	0.253
0.85	234.0	0.0395	0.2167
0.85	246.0	-0.1729	0.1929

CLAS Physics Database