CLAS Physics Database

Measurement E151M3354

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: 0.0473
Q2: 0.0593 GeV2
W: 1655.0 GeV
Ebeam: 2.2596 GeV
ε: 0.8345

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty syst. uncert.
0.45 270.0 0.3902 0.235 0.031
0.45 282.0 0.0237 0.1817 0.0303
0.65 78.0 -0.183 0.2507 0.0302
0.65 126.0 -0.1223 0.2236 0.0301
0.65 210.0 0.0031 0.2119 0.03
0.75 66.0 0.0144 0.2512 0.03
0.75 210.0 -0.0379 0.2459 0.03
0.75 222.0 -0.0095 0.2325 0.03
0.75 234.0 0.5341 0.2239 0.0318
0.75 270.0 0.2871 0.1853 0.0305
0.75 282.0 0.1879 0.2219 0.0302
0.75 294.0 -0.0183 0.255 0.03
0.85 102.0 0.3309 0.2207 0.0307
0.85 114.0 -0.0732 0.1907 0.03
0.85 198.0 -0.152 0.24 0.0302
0.85 210.0 0.2233 0.2018 0.0303
0.85 222.0 -0.0744 0.1861 0.03
0.55 126.0 0.0594 0.2331 0.03
0.55 270.0 0.305 0.2299 0.0306
0.65 198.0 0.1438 0.2611 0.0301
0.65 282.0 -0.1683 0.2401 0.0302
0.75 198.0 0.1255 0.2457 0.0301
0.75 210.0 0.2075 0.2258 0.0303
0.75 222.0 0.3673 0.219 0.0309
0.75 234.0 -0.1733 0.2385 0.0302
0.75 270.0 -0.0263 0.1935 0.03
0.75 282.0 -0.3182 0.2115 0.0307
0.85 102.0 0.079 0.2516 0.03
0.85 114.0 0.0697 0.2027 0.03
0.85 126.0 -0.0665 0.2291 0.03
0.85 198.0 0.1249 0.2217 0.0301
0.85 210.0 0.1889 0.242 0.0302
0.85 222.0 -0.2233 0.2554 0.0303
0.85 234.0 0.1264 0.2612 0.0301