Measurement E151M43

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:	0.0598
Q²:	0.0101 GeV²
W:	1265.0 GeV
E_beam:	1.0539 GeV
ε:	0.8964

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty	syst. uncert.
0.35	54.0	-0.1859	0.6547	0.0367
0.45	54.0	-1.0877	0.5112	0.1273
0.55	42.0	-1.1366	0.4715	0.1327
0.55	54.0	-0.1852	0.6435	0.0367
0.55	234.0	-0.0717	0.4339	0.0311
0.55	246.0	-0.1805	0.3959	0.0364
0.55	258.0	0.2261	0.4257	0.0395
0.55	270.0	-0.0251	0.4387	0.0301
0.65	150.0	-0.5399	0.5521	0.0684
0.65	162.0	-0.1599	0.6024	0.0351
0.65	174.0	0.0869	0.6183	0.0316
0.65	186.0	0.6856	0.6353	0.0836
0.65	222.0	-0.4961	0.474	0.0639
0.65	234.0	0.3286	0.469	0.0479
0.65	246.0	-0.2099	0.3322	0.0383
0.65	258.0	-0.3019	0.3316	0.0456
0.65	270.0	-0.2431	0.4748	0.0408
0.75	150.0	0.5265	0.5551	0.067
0.75	162.0	0.9355	0.5577	0.1106
0.75	186.0	-0.5431	0.5573	0.0687
0.75	222.0	0.9316	0.5681	0.1102
0.75	234.0	0.8025	0.404	0.0961
0.75	246.0	0.3562	0.3528	0.0504
0.75	258.0	0.1389	0.3593	0.0339
0.75	270.0	-0.0132	0.4283	0.03
0.85	222.0	0.7974	0.636	0.0956
0.85	234.0	-0.3078	0.4547	0.0461
0.85	246.0	1.0451	0.4601	0.1226
0.85	258.0	0.1198	0.4705	0.033

CLAS Physics Database