Measurement E151M3312

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:	0.2461
Q²:	0.2445 GeV²
W:	1535.0 GeV
E_beam:	2.2596 GeV
ε:	0.8457

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.85	210.0	-0.543	0.2231
0.85	222.0	-0.3961	0.2335
0.85	246.0	-0.2955	0.235
0.85	258.0	-0.1924	0.2464
0.95	258.0	-0.3081	0.2541
0.95	282.0	-0.2038	0.2369
0.75	114.0	-0.0161	0.2571
0.85	246.0	-0.4582	0.2363
0.85	258.0	-0.1208	0.2607
0.95	234.0	-0.2353	0.256
0.95	270.0	0.0004	0.2373

CLAS Physics Database