Measurement E151M123

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:	0.0057
Q²:	0.0023 GeV²
W:	1385.0 GeV
E_beam:	1.0539 GeV
ε:	0.7727

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.45	42.0	0.4926	0.9173
0.45	54.0	0.7253	0.6541
0.45	222.0	0.2213	0.6572
0.45	234.0	0.1246	0.8067
0.55	42.0	-0.3284	0.6652
0.55	54.0	0.102	0.5696
0.55	66.0	0.7309	0.9229
0.55	150.0	-0.2711	0.6771
0.55	162.0	1.0382	0.9251
0.55	174.0	-0.941	0.7015
0.55	210.0	0.3367	0.743
0.55	222.0	0.6054	0.7173
0.55	234.0	0.2211	0.485
0.55	246.0	-0.3721	0.5741
0.55	258.0	0.4198	0.8252
0.65	18.0	-0.3391	0.7705
0.65	30.0	1.9124	0.6295
0.65	42.0	0.3181	0.5424
0.65	54.0	0.9576	0.4718
0.65	66.0	-0.5038	0.8015
0.65	138.0	0.5318	0.8537
0.65	150.0	0.1768	0.7558
0.65	162.0	1.1677	0.7281
0.65	174.0	-0.0095	0.7464
0.65	186.0	-1.8689	0.6087
0.65	210.0	-0.0479	0.6807
0.65	222.0	-0.2989	0.5443
0.65	234.0	0.1063	0.4311
0.65	246.0	0.0148	0.494
0.65	258.0	-0.2547	0.7338
0.75	54.0	-0.1659	0.6749
0.75	150.0	-1.0496	0.7222
0.75	162.0	0.1196	0.7999
0.75	186.0	-0.8859	0.7525
0.75	210.0	0.2648	0.6244
0.75	222.0	1.1023	0.5379
0.75	234.0	-0.3917	0.4399
0.75	246.0	0.5171	0.5002
0.75	258.0	-0.9084	0.6975
0.85	210.0	0.0327	0.7947
0.85	222.0	0.6042	0.6261
0.85	234.0	-0.1213	0.5172
0.85	246.0	1.0343	0.5695

CLAS Physics Database