Measurement E151M2467

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_LU
ε_L:	0.0901
Q²:	0.0121 GeV²
W:	1235.0 GeV
E_beam:	1.0539 GeV
ε:	0.9165

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty	syst. uncert.
0.45	42.0	-0.1371	0.223	0.0301
0.45	54.0	0.0414	0.2062	0.03
0.45	66.0	0.5092	0.2176	0.0317
0.45	270.0	-0.3414	0.188	0.0308
0.55	246.0	-0.5027	0.1494	0.0316
0.55	258.0	0.0855	0.1528	0.03
0.55	270.0	-0.2837	0.1481	0.0305
0.55	282.0	0.2077	0.2018	0.0303
0.65	162.0	-0.1499	0.2255	0.0301
0.65	174.0	0.0281	0.2218	0.03
0.65	186.0	0.0134	0.2313	0.03
0.65	198.0	-0.0208	0.2548	0.03
0.65	234.0	-0.0656	0.1711	0.03
0.65	246.0	0.2817	0.1437	0.0305
0.65	258.0	-0.0675	0.1335	0.03
0.65	270.0	0.2623	0.1539	0.0305
0.65	282.0	-0.1784	0.1942	0.0302
0.75	150.0	0.4227	0.1879	0.0312
0.75	162.0	0.1691	0.1812	0.0302
0.75	174.0	0.2358	0.1679	0.0304
0.75	186.0	-0.1503	0.1904	0.0302
0.75	198.0	-0.0852	0.1882	0.03
0.75	210.0	-0.4934	0.2018	0.0316
0.75	222.0	-0.369	0.1914	0.0309
0.75	234.0	-0.1599	0.1779	0.0302
0.75	246.0	0.3442	0.1439	0.0308
0.75	258.0	-0.1411	0.1353	0.0301
0.75	270.0	-0.0461	0.1886	0.03
0.85	174.0	0.4648	0.2252	0.0314
0.85	186.0	0.1308	0.2359	0.0301
0.85	234.0	-0.378	0.2113	0.0309
0.85	246.0	-0.0404	0.2605	0.03
0.85	258.0	-0.1735	0.232	0.0302

CLAS Physics Database