Measurement E151M2830

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:	0.016
Q²:	0.0121 GeV²
W:	1505.0 GeV
E_beam:	1.3383 GeV
ε:	0.7368

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.55	30.0	-0.1712	0.2725
0.55	42.0	-0.4118	0.1449
0.55	138.0	-0.2491	0.3465
0.55	150.0	-0.2674	0.2534
0.55	210.0	-0.2534	0.3509
0.55	222.0	-0.3039	0.3191
0.55	234.0	-0.2671	0.1959
0.65	126.0	-0.2182	0.264
0.65	138.0	-0.0969	0.3714
0.65	210.0	-0.1772	0.2081
0.65	222.0	0.0837	0.2282
0.75	210.0	-0.0837	0.3226
0.75	222.0	0.2729	0.3361
0.75	234.0	0.8337	0.1907
0.85	222.0	-0.1238	0.3414
0.85	234.0	-0.1841	0.3519
0.65	234.0	-0.4914	0.2386
0.75	210.0	-0.1206	0.2689
0.75	222.0	0.2047	0.2464
0.75	234.0	0.0894	0.2462
0.85	126.0	0.4457	0.2397
0.85	222.0	-0.1803	0.2676
0.85	234.0	0.3921	0.2277

CLAS Physics Database