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Measurement E151M2533

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: 0.0632
Q2: 0.0171 GeV2
W: 1325.0 GeV
Ebeam: 1.0539 GeV
ε: 0.8327

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.25 42.0 0.0563 0.1911
0.25 54.0 0.1414 0.1997
0.35 30.0 0.0538 0.2493
0.35 42.0 0.1654 0.1667
0.35 54.0 -0.33 0.1776
0.45 30.0 -0.075 0.1893
0.45 42.0 -0.195 0.1413
0.45 54.0 0.4813 0.1578
0.55 30.0 0.3761 0.1762
0.55 42.0 0.226 0.1328
0.55 54.0 0.0738 0.1656
0.55 138.0 0.3175 0.2292
0.55 150.0 -0.1123 0.2437
0.55 222.0 0.0687 0.1879
0.55 234.0 0.2185 0.1942
0.55 246.0 -0.0051 0.1303
0.55 258.0 -0.0093 0.1477
0.55 270.0 0.127 0.2173
0.65 42.0 -0.1434 0.237
0.65 54.0 -0.1801 0.2232
0.65 138.0 0.0847 0.1886
0.65 150.0 -0.042 0.1788
0.65 162.0 0.1357 0.1906
0.65 174.0 0.2732 0.1943
0.65 186.0 -0.4666 0.2332
0.65 210.0 -0.3071 0.2013
0.65 222.0 0.0022 0.1616
0.65 234.0 -0.0726 0.1248
0.65 246.0 -0.0532 0.1191
0.65 258.0 -0.1133 0.1239
0.65 270.0 0.0877 0.1726
0.75 126.0 0.4477 0.231
0.75 138.0 -0.1304 0.1851
0.75 150.0 0.0212 0.1541
0.75 162.0 0.0156 0.1777
0.75 174.0 0.0376 0.2128
0.75 186.0 0.3353 0.2418
0.75 198.0 -0.0311 0.2557
0.75 210.0 -0.1449 0.1907
0.75 222.0 0.0642 0.1474
0.75 234.0 -0.0377 0.1293
0.75 246.0 -0.0017 0.1283
0.75 258.0 -0.0198 0.1392
0.75 270.0 -0.0678 0.1856
0.85 138.0 -0.1082 0.2271
0.85 150.0 0.0844 0.2524
0.85 162.0 -0.0985 0.2244
0.85 174.0 -0.3592 0.2499
0.85 210.0 -0.0908 0.2476
0.85 222.0 0.1765 0.1533
0.85 234.0 -0.0754 0.142
0.85 246.0 -0.1213 0.1313
0.85 258.0 0.089 0.1352
0.85 270.0 -0.0563 0.1693
Created in SINP MSU, CLAS Collaboration