Measurement E151M2494

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:	0.188
Q²:	0.0348 GeV²
W:	1265.0 GeV
E_beam:	1.0539 GeV
ε:	0.8735

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.15	54.0	0.1877	0.2442
0.25	42.0	0.1443	0.1906
0.25	54.0	-0.3049	0.2324
0.35	30.0	0.4532	0.1755
0.35	42.0	0.1288	0.1714
0.35	54.0	-0.2491	0.1841
0.45	42.0	-0.108	0.18
0.45	258.0	-0.1991	0.2461
0.45	270.0	0.0218	0.2028
0.45	282.0	0.0512	0.2024
0.55	246.0	-0.0543	0.1784
0.55	258.0	-0.2796	0.157
0.55	270.0	-0.1512	0.1511
0.55	282.0	-0.0612	0.1747
0.65	234.0	0.0786	0.2111
0.65	246.0	-0.057	0.135
0.65	258.0	-0.093	0.1194
0.65	270.0	0.1171	0.1306
0.65	282.0	-0.0968	0.188
0.75	126.0	0.3758	0.2442
0.75	138.0	-0.1264	0.2133
0.75	150.0	0.2028	0.1578
0.75	162.0	-0.1254	0.1692
0.75	174.0	-0.0414	0.1957
0.75	186.0	0.1001	0.2093
0.75	198.0	0.0201	0.2294
0.75	210.0	0.2633	0.2435
0.75	234.0	-0.2824	0.1681
0.75	246.0	-0.1042	0.1218
0.75	258.0	-0.146	0.1312
0.75	270.0	0.1416	0.1239
0.75	282.0	-0.3302	0.1469
0.85	126.0	-0.0271	0.2006
0.85	138.0	-0.1265	0.1753
0.85	150.0	0.1923	0.1451
0.85	162.0	-0.0799	0.1491
0.85	174.0	-0.1418	0.1696
0.85	186.0	0.0581	0.18
0.85	198.0	-0.1106	0.1879
0.85	210.0	-0.0404	0.219
0.85	222.0	-0.0432	0.2367
0.85	234.0	0.0791	0.1614
0.85	246.0	0.1992	0.1501
0.85	258.0	-0.2364	0.1403
0.85	270.0	0.0043	0.153
0.85	282.0	-0.1304	0.247
0.95	162.0	-0.3265	0.2236
0.95	174.0	-0.1769	0.2324
0.95	186.0	-0.2138	0.2385

CLAS Physics Database