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Measurement E151M527

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: AUL
εL: 0.6182
Q2: 0.2445 GeV2
W: 1325.0 GeV
Ebeam: 1.9889 GeV
ε: 0.9002

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] AUL uncertainty syst. uncert.
0.55 270.0 0.2446 0.6475 0.0335
0.65 90.0 -0.0119 0.5729 0.03
0.65 102.0 0.5478 0.6024 0.045
0.65 258.0 -0.6385 0.5016 0.0492
0.65 270.0 -0.4687 0.5854 0.0415
0.65 282.0 -0.5456 0.5471 0.0449
0.65 294.0 -0.4509 0.5588 0.0408
0.75 78.0 0.7307 0.5614 0.0538
0.75 90.0 0.2937 0.5446 0.035
0.75 102.0 -0.0376 0.5376 0.0301
0.75 114.0 -0.0749 0.5463 0.0303
0.75 246.0 -1.0673 0.4203 0.0718
0.75 258.0 1.0162 0.4588 0.069
0.75 270.0 -0.2855 0.436 0.0347
0.75 282.0 -0.7188 0.5153 0.0532
0.85 90.0 -0.994 0.3412 0.0678
0.85 102.0 -0.1319 0.4335 0.0311
0.85 114.0 -0.2991 0.5159 0.0351
0.85 126.0 1.0674 0.6633 0.0718
0.85 138.0 -0.2356 0.6125 0.0333
0.85 222.0 -0.6032 0.5452 0.0476
0.85 234.0 -0.1909 0.4668 0.0322
0.85 246.0 0.1426 0.5944 0.0312
0.85 258.0 0.6616 0.498 0.0504
0.85 270.0 -0.1534 0.4142 0.0314
0.85 282.0 0.0284 0.4507 0.0301
0.85 294.0 -0.2213 0.4296 0.0329
0.95 90.0 -0.0548 0.4669 0.0302
0.95 102.0 0.3975 0.5859 0.0386
0.95 114.0 1.0223 0.5949 0.0694
0.95 126.0 0.5676 0.5635 0.0459
0.95 138.0 0.7202 0.6001 0.0533
0.95 150.0 -1.3431 0.3321 0.0875
0.95 234.0 0.1286 0.5057 0.031
0.95 246.0 -0.5504 0.4866 0.0451
0.95 258.0 0.1326 0.4076 0.0311
0.95 270.0 -0.3118 0.439 0.0355
0.95 282.0 0.2417 0.5451 0.0334
0.95 294.0 -0.3452 0.5084 0.0367
Created in SINP MSU, CLAS Collaboration