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
0.55	78.0	0.7659	0.7783
0.55	90.0	-0.6799	0.6759
0.55	270.0	-0.7038	0.6358
0.65	78.0	-0.881	0.6564
0.65	90.0	-0.7964	0.6384
0.65	102.0	0.6219	0.8748
0.65	258.0	-0.8057	0.6375
0.75	78.0	0.0813	0.7639
0.75	90.0	-0.2445	0.6245
0.75	102.0	0.6387	0.8694
0.75	258.0	0.2826	0.8353
0.75	282.0	-0.5788	0.6587
0.75	294.0	0.2226	0.7132
0.85	78.0	0.0042	0.7745
0.85	90.0	1.5304	0.8972
0.85	102.0	-0.636	0.6545
0.85	114.0	-0.7121	0.6697
0.85	222.0	-0.8884	0.6101
0.85	234.0	-0.1245	0.7046
0.85	246.0	-0.1755	0.6488
0.85	270.0	0.1029	0.7062
0.85	282.0	-0.6215	0.5049
0.85	294.0	-0.6127	0.5597
0.85	306.0	-0.7933	0.5076
0.85	318.0	-0.5639	0.5799
0.85	330.0	-0.3573	0.6477
0.95	222.0	-0.0667	0.7132
0.95	258.0	0.6392	0.7548
0.95	270.0	0.2169	0.6276
0.95	282.0	0.2851	0.6978

CLAS Physics Database