Measurement E151M159

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:	0.1123
Q²:	0.0707 GeV²
W:	1415.0 GeV
E_beam:	1.0539 GeV
ε:	0.6408

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.25	42.0	0.2845	0.8823
0.35	30.0	0.7584	0.8501
0.35	42.0	1.3332	0.8337
0.35	54.0	0.196	0.8221
0.45	42.0	-0.6071	0.678
0.45	246.0	-0.4841	0.7992
0.55	234.0	0.3753	0.6726
0.55	246.0	0.476	0.6613
0.55	258.0	-0.4571	0.6715
0.65	150.0	0.0496	0.7661
0.65	210.0	0.471	0.832
0.65	222.0	0.3541	0.7078
0.65	234.0	0.4758	0.5355
0.65	246.0	0.8166	0.5717
0.65	258.0	-0.6287	0.538
0.65	270.0	-0.654	0.6961
0.75	126.0	-0.119	0.7983
0.75	138.0	-0.1571	0.6828
0.75	150.0	-0.1018	0.7639
0.75	162.0	-0.9897	0.6715
0.75	174.0	-0.0109	0.8208
0.75	222.0	1.4336	0.8424
0.75	234.0	1.2639	0.6433
0.75	246.0	-0.2876	0.5202
0.75	258.0	-0.0285	0.466
0.75	270.0	-0.7381	0.5831
0.85	150.0	0.2151	0.8349
0.85	234.0	1.1854	0.6242
0.85	246.0	0.3408	0.5042
0.85	258.0	0.6512	0.4807
0.85	270.0	0.2513	0.5772
0.95	150.0	-0.8325	0.5699
0.95	246.0	0.1488	0.5946
0.95	258.0	1.1084	0.5908
0.95	270.0	0.7394	0.6075

CLAS Physics Database