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Measurement E151M3547

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: 0.2155
Q2: 0.2915 GeV2
W: 1625.0 GeV
Ebeam: 2.999 GeV
ε: 0.8836

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.45 102.0 -0.2202 0.2432
0.55 90.0 0.2695 0.2028
0.55 102.0 0.0608 0.2428
0.55 114.0 0.0411 0.2219
0.55 270.0 0.1433 0.2399
0.65 90.0 0.3056 0.2068
0.65 102.0 -0.0242 0.243
0.65 114.0 0.4442 0.1882
0.65 126.0 -0.3174 0.2238
0.65 222.0 0.1927 0.2531
0.65 234.0 0.5868 0.2182
0.65 294.0 -0.0195 0.2431
0.65 306.0 0.3005 0.2551
0.75 66.0 0.0545 0.2565
0.75 78.0 0.5062 0.2082
0.75 102.0 -0.4107 0.1671
0.75 114.0 0.2187 0.2215
0.75 126.0 -0.2296 0.2402
0.75 198.0 0.0803 0.2686
0.75 210.0 0.4462 0.2893
0.75 222.0 -0.2941 0.2016
0.75 234.0 0.2216 0.176
0.75 246.0 0.2018 0.1854
0.75 258.0 -0.1368 0.2642
0.75 270.0 -0.3226 0.2483
0.75 306.0 0.0219 0.2817
0.85 66.0 -0.0987 0.1868
0.85 78.0 -0.3194 0.1802
0.85 90.0 0.3622 0.2167
0.85 102.0 -0.1171 0.2671
0.85 114.0 0.1182 0.2525
0.85 126.0 -0.0663 0.2481
0.85 186.0 0.3404 0.2269
0.85 198.0 0.1034 0.202
0.85 210.0 0.5109 0.1497
0.85 222.0 0.3035 0.1939
0.85 234.0 0.0367 0.1673
0.85 246.0 -0.1333 0.1801
0.85 258.0 0.0861 0.1767
0.85 270.0 0.2215 0.2293
0.85 282.0 0.0364 0.2755
0.95 66.0 0.2806 0.2573
0.95 78.0 0.1216 0.2315
0.95 90.0 -0.0264 0.269
0.95 198.0 -0.0397 0.2365
0.95 210.0 -0.2822 0.2217
0.95 222.0 0.0934 0.206
0.95 234.0 -0.2814 0.1763
0.95 246.0 -0.0345 0.193
0.95 258.0 -0.0613 0.1776
0.95 270.0 0.1341 0.1659
0.95 282.0 0.0637 0.1965
0.95 294.0 -0.2089 0.2002
0.95 306.0 0.0014 0.2433
Created in SINP MSU, CLAS Collaboration