CLAS Physics Database

Measurement E151M3608

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: ALU
εL: 0.0737
Q2: 0.1435 GeV2
W: 1775.0 GeV
Ebeam: 2.999 GeV
ε: 0.8502

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty syst. uncert.
0.65 54.0 0.1645 0.2676 0.0302
0.65 114.0 -0.1801 0.2411 0.0302
0.65 186.0 0.0925 0.2745 0.0301
0.65 198.0 -0.4866 0.217 0.0315
0.65 222.0 -0.1232 0.276 0.0301
0.65 282.0 -0.1328 0.2194 0.0301
0.65 294.0 0.0733 0.2808 0.03
0.75 102.0 0.0767 0.2418 0.03
0.75 186.0 -0.009 0.2607 0.03
0.75 198.0 -0.0189 0.2328 0.03
0.75 210.0 -0.0985 0.2225 0.0301
0.75 222.0 -0.3413 0.2472 0.0308
0.75 234.0 -0.253 0.2374 0.0304
0.75 270.0 -0.1378 0.2397 0.0301
0.75 282.0 -0.3194 0.2091 0.0307
0.75 294.0 -0.353 0.2432 0.0308
0.85 90.0 0.0455 0.202 0.03
0.85 102.0 0.0961 0.1725 0.0301
0.85 114.0 -0.0063 0.1805 0.03
0.85 126.0 -0.1793 0.2513 0.0302
0.85 174.0 0.0845 0.2506 0.03
0.85 186.0 -0.0688 0.2241 0.03
0.85 198.0 -0.0629 0.191 0.03
0.85 210.0 0.215 0.1942 0.0303
0.85 222.0 -0.0978 0.1882 0.0301
0.85 234.0 0.0624 0.2509 0.03
0.85 246.0 0.0467 0.2285 0.03
0.95 198.0 0.1159 0.2617 0.0301
0.95 210.0 -0.1366 0.2107 0.0301
0.95 222.0 0.0157 0.2377 0.03
0.95 234.0 -0.1858 0.2519 0.0302