Measurement E151M65

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:	0.0564
Q²:	0.0121 GeV²
W:	1295.0 GeV
E_beam:	1.0539 GeV
ε:	0.8686

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_UL	uncertainty
0.25	42.0	0.7545	0.7307
0.35	42.0	-0.1733	0.5508
0.35	54.0	-0.3008	0.5916
0.35	66.0	-1.5637	0.5453
0.45	42.0	0.1174	0.6114
0.45	258.0	-0.2922	0.5861
0.55	30.0	0.3668	0.671
0.55	42.0	-0.1174	0.5127
0.55	54.0	-0.4528	0.6707
0.55	222.0	-0.0793	0.6402
0.55	234.0	-0.4049	0.4961
0.55	246.0	-0.6797	0.3647
0.55	258.0	-0.7207	0.3909
0.55	270.0	0.2847	0.5565
0.65	138.0	1.0166	0.7375
0.65	150.0	0.6158	0.6276
0.65	162.0	-0.5948	0.5744
0.65	174.0	1.3318	0.7409
0.65	186.0	1.5063	0.7666
0.65	198.0	-0.5901	0.6322
0.65	210.0	0.1401	0.6228
0.65	222.0	0.1269	0.5114
0.65	234.0	-0.1112	0.3796
0.65	246.0	0.0437	0.3283
0.65	258.0	-0.0613	0.3837
0.65	270.0	0.3403	0.4573
0.75	138.0	0.9547	0.7307
0.75	150.0	0.5798	0.5592
0.75	162.0	-0.0236	0.5236
0.75	174.0	0.1073	0.5423
0.75	186.0	0.0249	0.6112
0.75	210.0	-0.1319	0.5765
0.75	222.0	-0.4045	0.4241
0.75	234.0	0.45	0.4008
0.75	246.0	0.1956	0.3502
0.75	258.0	-0.1141	0.371
0.75	270.0	-0.1128	0.4752
0.85	162.0	-0.6559	0.5943
0.85	210.0	1.2647	0.6138
0.85	222.0	1.1537	0.5687
0.85	234.0	-0.0219	0.3603
0.85	246.0	0.8657	0.393
0.85	258.0	0.5606	0.4011
0.85	270.0	-0.4916	0.5205

CLAS Physics Database