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Measurement E151M2521

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: 0.3438
Q2: 0.101 GeV2
W: 1295.0 GeV
Ebeam: 1.0539 GeV
ε: 0.7791

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.15 42.0 -0.1088 0.2401
0.35 42.0 -0.0574 0.2475
0.45 270.0 -0.131 0.2421
0.45 282.0 -0.0032 0.2563
0.55 258.0 -0.1758 0.2161
0.55 270.0 -0.0353 0.1767
0.55 282.0 -0.0518 0.1927
0.65 246.0 0.2881 0.1793
0.65 258.0 -0.0625 0.185
0.65 270.0 -0.2124 0.1752
0.65 282.0 0.0704 0.2073
0.65 294.0 0.0482 0.2614
0.75 126.0 0.3932 0.2129
0.75 138.0 -0.1231 0.2169
0.75 150.0 -0.268 0.2472
0.75 234.0 -0.1382 0.2424
0.75 246.0 0.2066 0.1681
0.75 258.0 0.0407 0.1689
0.75 270.0 -0.0533 0.1683
0.75 282.0 0.0405 0.1949
0.75 294.0 -0.0333 0.2111
0.85 114.0 0.0541 0.1846
0.85 126.0 0.001 0.1876
0.85 138.0 -0.2345 0.153
0.85 150.0 0.1203 0.1599
0.85 162.0 0.0374 0.2005
0.85 174.0 0.0268 0.2424
0.85 186.0 0.0959 0.2012
0.85 198.0 0.1846 0.2395
0.85 234.0 0.1503 0.2296
0.85 246.0 -0.0764 0.2099
0.85 258.0 0.0306 0.1546
0.85 270.0 0.0333 0.1447
0.85 282.0 -0.1468 0.1597
0.95 90.0 -0.1379 0.2435
0.95 102.0 0.1807 0.2419
0.95 114.0 -0.2723 0.2366
0.95 126.0 0.0959 0.2268
0.95 138.0 -0.3776 0.2145
0.95 150.0 -0.0329 0.2486
0.95 162.0 0.0744 0.2563
0.95 174.0 0.0725 0.2623
0.95 186.0 -0.0916 0.1938
0.95 198.0 -0.3016 0.2339
0.95 258.0 -0.029 0.2295
0.95 270.0 0.6108 0.1887
Created in SINP MSU, CLAS Collaboration