Measurement E151M1095

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_UL
ε_L:	0.3432
Q²:	0.5925 GeV²
W:	1595.0 GeV
E_beam:	2.999 GeV
ε:	0.8372

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.85	54.0	-1.0066	0.6944
0.85	66.0	1.3517	1.0304
0.85	210.0	-0.2023	0.8072
0.85	222.0	0.7558	0.9459
0.85	246.0	-0.1681	0.7893
0.85	258.0	0.6323	0.7987
0.85	270.0	1.7363	0.9466
0.85	282.0	1.2171	0.8417
0.85	294.0	-0.5318	0.7647
0.95	270.0	0.7462	0.8315
0.95	282.0	1.4263	0.9045
0.95	294.0	0.4529	0.8375
0.95	306.0	0.4174	0.725
0.95	318.0	-0.7327	0.6252

CLAS Physics Database