Measurement E151M908

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:	0.0341
Q²:	0.0415 GeV²
W:	1655.0 GeV
E_beam:	2.2596 GeV
ε:	0.8403

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.45	78.0	-1.0969	0.862	0.1056
0.45	270.0	1.0885	0.8627	0.1048
0.55	222.0	0.3852	0.9693	0.0465
0.55	258.0	1.2057	0.8939	0.1153
0.55	270.0	1.0903	0.83	0.105
0.65	126.0	-1.2387	0.9245	0.1182
0.65	198.0	2.4631	0.9929	0.2293
0.65	210.0	1.0708	1.0289	0.1033
0.75	66.0	-1.2463	0.929	0.1189
0.75	210.0	1.0471	1.1541	0.1012
0.75	234.0	-0.7791	0.9202	0.0779
0.75	270.0	0.3026	0.9364	0.041
0.75	282.0	0.7375	0.7934	0.0744
0.85	114.0	1.9246	1.3574	0.1801
0.85	210.0	-1.4842	0.8452	0.1402
0.85	222.0	-0.2236	1.091	0.0364
0.35	78.0	-0.294	0.5686	0.0357
0.45	270.0	-0.3395	0.6311	0.0374
0.45	282.0	-0.4079	0.5534	0.0402
0.55	222.0	1.982	0.7588	0.1335
0.55	258.0	-0.2114	0.573	0.0331
0.55	270.0	-0.9364	0.4771	0.0684
0.65	126.0	-0.3252	0.5208	0.0368
0.65	210.0	0.4246	0.7233	0.0409
0.65	222.0	1.2921	0.7883	0.0899
0.75	114.0	-0.1432	0.7085	0.0314
0.75	210.0	-0.0648	0.6736	0.0303
0.75	222.0	0.7011	0.7394	0.0549
0.75	270.0	-0.0534	0.6759	0.0302
0.75	282.0	-0.0786	0.5503	0.0304
0.85	102.0	1.0956	0.8191	0.0779
0.85	126.0	-0.8537	0.6281	0.0636
0.85	210.0	1.3284	0.7077	0.0922
0.85	222.0	-0.3181	0.8081	0.0365

CLAS Physics Database