Measurement E151M2734

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_LU
ε_L:	0.0402
Q²:	0.0121 GeV²
W:	1355.0 GeV
E_beam:	1.3383 GeV
ε:	0.8877

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.65	222.0	0.1757	0.2366
0.65	234.0	-0.1605	0.2243
0.65	246.0	0.1497	0.2336
0.75	138.0	0.3617	0.2572
0.75	222.0	0.0438	0.2738
0.75	234.0	0.2466	0.2293
0.75	246.0	-0.0032	0.2471
0.85	234.0	-0.6266	0.2255
0.85	246.0	-0.2905	0.26
0.55	246.0	-0.0818	0.42
0.65	234.0	-0.1429	0.3358
0.75	234.0	-0.2749	0.2886
0.75	246.0	-0.0646	0.3237
0.85	234.0	-0.3934	0.3997

CLAS Physics Database