Measurement E151M3630

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:	0.044
Q²:	0.101 GeV²
W:	1835.0 GeV
E_beam:	2.999 GeV
ε:	0.8284

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.75	102.0	0.1885	0.2556
0.75	114.0	0.0818	0.268
0.75	198.0	0.0318	0.2608
0.75	210.0	-0.4338	0.1975
0.75	222.0	-0.0598	0.2509
0.75	270.0	0.1936	0.2488
0.75	282.0	0.4158	0.2462
0.85	90.0	0.0797	0.2548
0.85	102.0	-0.022	0.213
0.85	114.0	0.2722	0.2049
0.85	126.0	0.3529	0.2499
0.85	186.0	-0.3834	0.2
0.85	198.0	0.0606	0.2224
0.85	210.0	0.4341	0.2092
0.85	222.0	0.3241	0.2197
0.85	270.0	-0.2131	0.268
0.95	210.0	0.3444	0.2525

CLAS Physics Database