Measurement E151M307

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:	0.4351
Q²:	0.2445 GeV²
W:	1355.0 GeV
E_beam:	1.3383 GeV
ε:	0.7279

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.65	270.0	0.906	1.1044
0.65	282.0	-0.1045	0.94
0.75	126.0	-0.6567	0.8624
0.75	246.0	-0.8105	0.6007
0.85	102.0	-0.5539	0.8474
0.85	114.0	-0.2632	1.0102
0.85	126.0	0.9587	1.2115
0.85	150.0	0.3103	1.0193
0.85	258.0	1.6438	1.2439
0.85	282.0	1.6967	1.1966
0.85	294.0	0.3933	0.7748
0.85	306.0	-0.5731	0.7281
0.95	294.0	0.2293	0.9609
0.55	258.0	-0.9783	0.6407
0.65	258.0	-0.4518	0.5992
0.65	270.0	-0.5778	0.5961
0.75	234.0	-0.1469	0.6823
0.75	246.0	-0.5243	0.6142
0.75	270.0	-0.0119	0.6587
0.75	282.0	-0.8153	0.6146
0.85	114.0	-0.5027	0.6288
0.85	126.0	-0.6913	0.6296
0.85	138.0	0.1649	0.616
0.85	234.0	-0.043	0.6513
0.85	246.0	-0.2661	0.6096
0.85	258.0	-0.0391	0.6419
0.85	270.0	-1.2491	0.4796
0.85	282.0	0.1761	0.559
0.85	294.0	-1.4516	0.4933
0.85	306.0	0.0014	0.6359
0.95	138.0	-0.1393	0.6046
0.95	270.0	0.0255	0.5293
0.95	294.0	0.2014	0.528

CLAS Physics Database