Measurement E151M99

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:	0.2772
Q²:	0.101 GeV²
W:	1325.0 GeV
E_beam:	1.0539 GeV
ε:	0.7431

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.35	42.0	1.9576	0.9706
0.55	258.0	0.1805	0.7288
0.55	270.0	0.3252	0.6881
0.65	234.0	-0.8046	0.638
0.65	246.0	-0.3263	0.5772
0.65	258.0	0.5718	0.5721
0.65	270.0	0.4539	0.6111
0.65	282.0	0.2941	0.7545
0.75	126.0	-0.0769	0.8333
0.75	138.0	0.5931	0.6489
0.75	150.0	1.118	0.819
0.75	234.0	-0.5029	0.6431
0.75	246.0	0.2003	0.6403
0.75	270.0	-1.3115	0.4837
0.75	282.0	-0.0937	0.5655
0.85	114.0	-0.1738	0.6938
0.85	126.0	-0.052	0.6389
0.85	138.0	-0.0445	0.586
0.85	150.0	0.9951	0.6936
0.85	162.0	0.0085	0.6143
0.85	174.0	-0.8163	0.6692
0.85	186.0	-0.4356	0.6862
0.85	246.0	-0.1725	0.5775
0.85	258.0	-0.1957	0.4408
0.85	270.0	0.3115	0.5747
0.85	282.0	-0.3449	0.5178
0.95	102.0	-0.1721	0.5397
0.95	126.0	0.272	0.6425
0.95	138.0	1.4938	0.649
0.95	258.0	0.1258	0.5891
0.95	270.0	0.1361	0.552

CLAS Physics Database