Measurement E151M959

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:	0.6625
Q²:	0.1435 GeV²
W:	1265.0 GeV
E_beam:	2.999 GeV
ε:	0.9771

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.25	66.0	0.2618	0.7141
0.35	66.0	-0.7083	0.502
0.35	78.0	-0.5186	0.6273
0.45	282.0	0.1952	0.7922
0.55	270.0	0.0746	0.5226
0.55	282.0	0.8481	0.604
0.55	294.0	0.4492	0.752
0.65	258.0	1.6835	0.7557
0.65	270.0	-0.4031	0.5378
0.65	282.0	-0.5587	0.3579
0.65	294.0	-1.1879	0.4226
0.75	78.0	0.5544	0.7731
0.75	90.0	-0.1274	0.6445
0.75	102.0	-0.6075	0.559
0.75	258.0	-0.0047	0.5654
0.75	270.0	-1.0967	0.3398
0.75	282.0	0.1423	0.4946
0.75	294.0	0.1904	0.5042
0.85	78.0	-0.8565	0.4133
0.85	90.0	-0.1515	0.5234
0.85	102.0	0.3024	0.462
0.85	114.0	-0.1627	0.4901
0.85	126.0	3.2077	3.2077
0.85	246.0	0.2175	0.5966
0.85	258.0	-0.1453	0.5436
0.85	270.0	0.2119	0.4957
0.85	282.0	-0.5788	0.4309
0.85	294.0	-0.3303	0.5311
0.95	78.0	0.0184	0.5265
0.95	90.0	0.6218	0.5205
0.95	102.0	0.8206	0.6108
0.95	114.0	0.2783	0.5174
0.95	126.0	-0.5069	0.4408
0.95	138.0	0.9652	0.6597
0.95	246.0	-0.5611	0.5631
0.95	258.0	-0.376	0.4405

CLAS Physics Database