Measurement E151M3108

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:	0.1577
Q²:	0.205 GeV²
W:	1595.0 GeV
E_beam:	1.9889 GeV
ε:	0.7628

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.65	114.0	0.1325	0.2672
0.65	222.0	-0.2927	0.2603
0.75	114.0	-0.1285	0.2388
0.75	138.0	0.1926	0.2839
0.75	210.0	0.07	0.2706
0.75	222.0	0.3686	0.227
0.75	234.0	0.1428	0.2709
0.75	246.0	0.2038	0.2594
0.85	78.0	-0.206	0.289
0.85	222.0	-0.0323	0.2526
0.85	234.0	-0.478	0.2163
0.85	246.0	0.0053	0.2681
0.85	258.0	0.0242	0.279
0.95	246.0	0.3878	0.224
0.95	258.0	-0.1167	0.2562
0.95	270.0	0.4384	0.2251

CLAS Physics Database