Measurement E151M2571

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:	0.0208
Q²:	0.0084 GeV²
W:	1385.0 GeV
E_beam:	1.0539 GeV
ε:	0.7654

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.35	42.0	0.2908	0.2122
0.35	54.0	0.1433	0.2368
0.45	42.0	0.3342	0.1863
0.45	54.0	-0.2066	0.1953
0.55	30.0	-0.0305	0.2269
0.55	42.0	-0.1137	0.1689
0.55	54.0	0.0973	0.1723
0.55	162.0	0.6204	0.2159
0.55	222.0	-0.0442	0.2243
0.55	234.0	-0.0778	0.1901
0.55	246.0	-0.1574	0.1575
0.65	30.0	-0.1728	0.2515
0.65	42.0	-0.0014	0.2103
0.65	54.0	0.0439	0.2208
0.65	150.0	-0.0936	0.2317
0.65	162.0	-0.1173	0.255
0.65	174.0	0.018	0.244
0.65	210.0	-0.4274	0.2184
0.65	222.0	0.2932	0.2084
0.65	234.0	-0.3462	0.1551
0.65	246.0	0.1244	0.1498
0.65	258.0	0.2253	0.2532
0.75	162.0	0.404	0.2371
0.75	210.0	-0.2299	0.2489
0.75	222.0	-0.0298	0.1821
0.75	234.0	-0.2439	0.1668
0.75	246.0	0.0432	0.1895
0.85	222.0	0.2803	0.2024
0.85	234.0	-0.2387	0.191
0.85	246.0	0.0941	0.1986
0.85	258.0	0.0124	0.2497

CLAS Physics Database