Measurement E151M1010

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:	0.7085
Q²:	0.5925 GeV²
W:	1385.0 GeV
E_beam:	2.999 GeV
ε:	0.9026

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.55	78.0	0.7659	0.7783	0.0635
0.55	90.0	-0.6799	0.6759	0.058
0.55	270.0	-0.7038	0.6358	0.0595
0.65	78.0	-0.881	0.6564	0.071
0.65	90.0	-0.7964	0.6384	0.0655
0.65	102.0	0.6219	0.8748	0.0545
0.65	258.0	-0.8057	0.6375	0.0661
0.75	78.0	0.0813	0.7639	0.0306
0.75	90.0	-0.2445	0.6245	0.0349
0.75	102.0	0.6387	0.8694	0.0555
0.75	258.0	0.2826	0.8353	0.0364
0.75	282.0	-0.5788	0.6587	0.0519
0.75	294.0	0.2226	0.7132	0.0341
0.85	78.0	0.0042	0.7745	0.03
0.85	90.0	1.5304	0.8972	0.1158
0.85	102.0	-0.636	0.6545	0.0553
0.85	114.0	-0.7121	0.6697	0.0601
0.85	222.0	-0.8884	0.6101	0.0715
0.85	234.0	-0.1245	0.7046	0.0313
0.85	246.0	-0.1755	0.6488	0.0326
0.85	270.0	0.1029	0.7062	0.0309
0.85	282.0	-0.6215	0.5049	0.0544
0.85	294.0	-0.6127	0.5597	0.0539
0.85	306.0	-0.7933	0.5076	0.0653
0.85	318.0	-0.5639	0.5799	0.051
0.85	330.0	-0.3573	0.6477	0.0398
0.95	222.0	-0.0667	0.7132	0.0304
0.95	258.0	0.6392	0.7548	0.0555
0.95	270.0	0.2169	0.6276	0.0339
0.95	282.0	0.2851	0.6978	0.0365

CLAS Physics Database