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Measurement E151M2174

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: ALL
εL: 1.0557
Q2: 0.2445 GeV2
W: 1235.0 GeV
Ebeam: 2.999 GeV
ε: 0.9697

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALL uncertainty syst. uncert.
0.15 66.0 -0.5021 0.6555 0.0472
0.25 66.0 -0.543 0.4288 0.0495
0.35 66.0 0.7031 0.5064 0.0592
0.35 78.0 -0.0965 0.8012 0.0308
0.35 282.0 -0.8298 0.5601 0.0672
0.35 294.0 1.0683 0.7021 0.0831
0.45 66.0 0.6864 0.5404 0.0581
0.45 282.0 0.169 0.5341 0.0324
0.45 294.0 -1.1346 0.5133 0.0876
0.55 78.0 -1.0993 0.7287 0.0852
0.55 270.0 -0.2133 0.6143 0.0338
0.55 282.0 0.1135 0.4122 0.0311
0.55 294.0 -0.0015 0.4361 0.03
0.65 66.0 -0.0982 0.7562 0.0308
0.65 78.0 -0.4245 0.6152 0.043
0.65 90.0 1.2958 0.5536 0.0986
0.65 270.0 -0.2987 0.4322 0.037
0.65 282.0 -0.4449 0.3706 0.0441
0.65 294.0 0.2051 0.4079 0.0335
0.65 306.0 1.706 0.5014 0.1273
0.75 66.0 0.6388 0.4704 0.0552
0.75 78.0 -0.3483 0.4726 0.0392
0.75 90.0 -0.5249 0.4288 0.0485
0.75 102.0 -0.2379 0.5104 0.0346
0.75 258.0 0.3677 0.5565 0.0401
0.75 270.0 -0.3943 0.4197 0.0414
0.75 282.0 0.2664 0.364 0.0357
0.75 294.0 0.1085 0.4284 0.031
0.75 306.0 0.0393 0.6324 0.0301
0.85 54.0 -0.2174 0.599 0.0339
0.85 66.0 -0.4575 0.4293 0.0447
0.85 78.0 0.3191 0.3694 0.0379
0.85 90.0 -0.0424 0.4049 0.0302
0.85 102.0 0.1585 0.4279 0.0321
0.85 114.0 1.2459 0.4866 0.0952
0.85 246.0 0.0905 0.6417 0.0307
0.85 258.0 -0.2633 0.4767 0.0356
0.85 270.0 0.8267 0.4417 0.067
0.85 282.0 -0.0691 0.4644 0.0304
0.85 294.0 -0.0047 0.4105 0.03
0.85 306.0 0.9727 0.5077 0.0766
0.95 42.0 0.3089 0.5319 0.0374
0.95 54.0 -0.2017 0.5136 0.0334
0.95 66.0 0.2302 0.5051 0.0343
0.95 78.0 0.0553 0.4164 0.0303
0.95 90.0 -0.2073 0.4806 0.0336
0.95 102.0 -0.1203 0.55 0.0312
0.95 114.0 0.8799 0.4048 0.0705
0.95 126.0 -0.1391 0.5565 0.0316
0.95 150.0 0.2078 0.7914 0.0336
0.95 246.0 0.4407 0.7115 0.0438
0.95 258.0 0.0128 0.6358 0.03
0.95 270.0 -0.1011 0.5766 0.0309
0.95 282.0 -0.5331 0.6311 0.0489
0.95 294.0 0.4893 0.6165 0.0465
0.95 306.0 0.6219 0.654 0.0542
Created in SINP MSU, CLAS Collaboration