Measurement E151M2637

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:	0.0459
Q²:	0.0415 GeV²
W:	1475.0 GeV
E_beam:	1.0539 GeV
ε:	0.5602

Slice: cos(θ_π⁺) =

Measurement data
cos(θ_π⁺)	φ(π⁺), [deg]	A_LU	uncertainty
0.25	54.0	-0.0327	0.2295
0.35	54.0	-0.1128	0.2018
0.35	66.0	-0.0531	0.2761
0.45	54.0	-0.2329	0.2026
0.45	66.0	0.3559	0.2019
0.45	234.0	0.2291	0.2302
0.45	246.0	0.2339	0.2098
0.45	258.0	-0.2669	0.2232
0.55	42.0	0.2216	0.2339
0.55	222.0	-0.1316	0.2161
0.55	234.0	0.2516	0.2127
0.55	246.0	-0.001	0.1853
0.55	258.0	-0.5657	0.19
0.65	162.0	-0.0087	0.2254
0.65	174.0	-0.3265	0.2273
0.65	234.0	-0.0981	0.1816
0.65	246.0	-0.2599	0.1844
0.65	258.0	-0.1441	0.1863
0.65	270.0	-0.1798	0.2436
0.75	162.0	-0.0417	0.2479
0.75	174.0	0.0474	0.2608
0.75	222.0	-0.1492	0.2407
0.75	234.0	0.0655	0.1813
0.75	246.0	-0.1803	0.1875
0.75	258.0	0.0424	0.1967
0.85	222.0	0.049	0.2289
0.85	234.0	0.0422	0.2146
0.85	246.0	0.0206	0.1833
0.85	258.0	0.0516	0.1977

CLAS Physics Database