Measurement E151M42

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:	0.0504
Q²:	0.0084 GeV²
W:	1265.0 GeV
E_beam:	1.0539 GeV
ε:	0.8979

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.55	246.0	-0.6755	0.4384
0.55	258.0	0.449	0.5058
0.55	270.0	0.0137	0.4915
0.65	234.0	0.3466	0.53
0.65	246.0	-0.1917	0.3678
0.65	258.0	-0.3073	0.3421
0.65	270.0	-0.3298	0.4746
0.75	162.0	0.0106	0.6193
0.75	174.0	-0.2676	0.528
0.75	186.0	-0.9328	0.5124
0.75	222.0	0.6	0.6007
0.75	234.0	-0.2371	0.405
0.75	246.0	0.0989	0.3986
0.75	258.0	0.2227	0.3762
0.75	270.0	0.3318	0.5582
0.85	234.0	0.2473	0.529
0.85	246.0	0.1251	0.446

CLAS Physics Database