Measurement E151M653

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:	0.03
Q²:	0.0291 GeV²
W:	1595.0 GeV
E_beam:	1.9889 GeV
ε:	0.8364

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.35	78.0	0.8486	0.8671
0.35	282.0	0.5665	0.8519
0.45	78.0	-0.1944	0.6873
0.45	258.0	-0.266	0.7488
0.45	270.0	-0.4557	0.7324
0.55	78.0	1.1517	0.8973
0.55	126.0	-0.6955	0.6558
0.55	138.0	-0.264	0.7712
0.55	150.0	-1.062	0.6887
0.55	258.0	0.1266	0.7652
0.55	270.0	-0.9587	0.6155
0.55	282.0	-0.5009	0.7255
0.65	114.0	-1.006	0.6638
0.65	126.0	-0.5099	0.7255
0.65	210.0	0.2475	0.8292
0.65	222.0	0.4555	0.8037
0.75	66.0	-0.8747	0.7273
0.75	78.0	0.7225	0.798
0.75	138.0	0.1563	0.8494
0.75	210.0	-0.2515	0.6656
0.75	222.0	0.4771	0.6922
0.75	234.0	-0.5466	0.6995
0.75	258.0	-0.0008	0.8026
0.75	270.0	-0.3687	0.6676
0.75	282.0	0.5383	0.6614
0.85	114.0	-0.4617	0.6357
0.85	126.0	-0.5343	0.6087
0.85	138.0	-0.6307	0.7479
0.85	198.0	1.1768	0.8345
0.85	210.0	-0.6469	0.6204
0.85	222.0	0.2308	0.6493
0.85	234.0	0.0883	0.7986
0.85	270.0	0.9431	0.7627

CLAS Physics Database