Measurement E151M4

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:	0.1373
Q²:	0.0143 GeV²
W:	1205.0 GeV
E_beam:	1.0539 GeV
ε:	0.9329

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.55	258.0	-0.1061	0.4103
0.55	270.0	0.8034	0.4374
0.65	246.0	-0.0132	0.4613
0.65	258.0	0.1563	0.3403
0.65	270.0	-0.045	0.3688
0.75	162.0	0.259	0.5367
0.75	174.0	0.1849	0.5297
0.75	186.0	-0.0636	0.4336
0.75	198.0	-0.1488	0.4425
0.75	210.0	-0.5339	0.4197
0.75	222.0	-0.1241	0.451
0.75	234.0	0.6638	0.5272
0.75	258.0	-0.1127	0.3755
0.85	174.0	0.2317	0.4508
0.85	198.0	0.0269	0.4254

CLAS Physics Database