Measurement E151M253

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:	0.0709
Q²:	0.0143 GeV²
W:	1295.0 GeV
E_beam:	1.3383 GeV
ε:	0.9232

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.65	234.0	0.1604	0.6887
0.65	246.0	-0.211	0.5462
0.65	258.0	2.0377	2.0377
0.75	150.0	-0.4581	0.5383
0.75	162.0	-0.5834	0.6727
0.75	174.0	0.7789	0.9937
0.75	222.0	-0.7422	0.5016
0.75	234.0	-0.5098	0.5196
0.75	246.0	-0.1027	0.5031
0.75	258.0	-0.431	0.5519
0.75	270.0	1.0445	0.8514
0.85	246.0	0.9417	0.6875
0.85	258.0	0.0679	0.6508
0.55	246.0	0.4719	0.5135
0.65	234.0	-0.7069	0.3799
0.65	246.0	0.408	0.4277
0.65	258.0	-0.8436	0.4201
0.65	270.0	-0.0541	0.4802
0.75	150.0	-0.0157	0.5044
0.75	162.0	0.7698	0.5839
0.75	222.0	0.0211	0.4897
0.75	234.0	0.1198	0.3985
0.75	246.0	-0.3836	0.3631
0.75	258.0	-0.4324	0.4249
0.75	270.0	-0.1825	0.5358
0.85	234.0	-0.5225	0.3969
0.85	246.0	-0.6325	0.4023
0.85	258.0	-0.6291	0.3852

CLAS Physics Database