Measurement E151M2659

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:	0.1105
Q²:	0.0143 GeV²
W:	1235.0 GeV
E_beam:	1.3383 GeV
ε:	0.9503

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.65	258.0	-0.4434	0.2011	0.0313
0.75	174.0	-0.1049	0.2654	0.0301
0.75	234.0	0.1169	0.2739	0.0301
0.75	246.0	0.3166	0.2657	0.0307
0.75	258.0	-0.1666	0.2298	0.0302
0.85	162.0	0.0758	0.2704	0.03
0.55	258.0	0.479	0.3279	0.0315
0.55	270.0	0.1817	0.3669	0.0302
0.65	246.0	-0.0373	0.3812	0.03
0.65	258.0	0.1291	0.3559	0.0301
0.75	174.0	0.4725	0.2826	0.0315
0.75	258.0	-0.0719	0.3526	0.03
0.75	270.0	-0.2038	0.3205	0.0303

CLAS Physics Database