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Measurement E151M1876

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: 0.0354
Q2: 0.0348 GeV2
W: 1595.0 GeV
Ebeam: 1.9889 GeV
ε: 0.8341

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALL uncertainty syst. uncert.
0.25 90.0 0.2073 1.022 0.0325
0.35 66.0 -0.1225 0.8934 0.0309
0.35 78.0 2.0367 0.7673 0.127
0.35 90.0 0.4773 0.9477 0.0417
0.35 270.0 0.0915 0.9141 0.0305
0.35 282.0 -0.4092 0.802 0.0389
0.45 18.0 -1.156 0.8737 0.0762
0.45 66.0 0.9294 0.9409 0.0638
0.45 78.0 0.7457 0.7639 0.0542
0.45 126.0 0.3122 0.9744 0.0355
0.45 138.0 0.6504 1.0097 0.0495
0.45 246.0 -0.7281 0.9348 0.0534
0.45 258.0 -0.8439 0.8155 0.0593
0.45 270.0 0.0349 0.7095 0.0301
0.45 282.0 -0.0962 0.714 0.0306
0.45 294.0 -0.5495 0.8098 0.0448
0.55 78.0 -0.1965 0.833 0.0323
0.55 90.0 -0.3442 0.8296 0.0365
0.55 114.0 -1.188 0.7851 0.078
0.55 126.0 -0.71 0.8079 0.0524
0.55 138.0 -1.2125 0.724 0.0794
0.55 150.0 0.1523 0.9299 0.0314
0.55 210.0 -0.1609 0.7333 0.0315
0.55 222.0 -0.7409 0.9431 0.054
0.55 258.0 -0.2462 0.8123 0.0335
0.55 270.0 0.1728 0.682 0.0318
0.55 282.0 1.3146 0.6733 0.0851
0.65 78.0 -1.9055 0.7979 0.1193
0.65 114.0 -1.8608 0.7355 0.1167
0.65 126.0 -0.8796 0.7002 0.0612
0.65 138.0 -0.1118 0.7985 0.0308
0.65 150.0 -0.0841 0.9013 0.0304
0.65 198.0 0.5337 0.8038 0.0441
0.65 210.0 0.8432 0.6939 0.0593
0.65 222.0 -0.5229 0.6822 0.0436
0.65 234.0 -1.4451 0.7928 0.0926
0.65 246.0 0.6596 0.9061 0.05
0.65 282.0 0.2297 0.8883 0.0331
0.65 294.0 2.2766 0.5659 0.1412
0.75 54.0 0.3391 0.8738 0.0364
0.75 66.0 0.4679 0.6687 0.0413
0.75 78.0 -0.3472 0.8137 0.0366
0.75 126.0 -1.0265 0.8985 0.0691
0.75 138.0 -0.1383 0.8807 0.0311
0.75 198.0 -0.5812 0.8585 0.0463
0.75 210.0 -0.5681 0.643 0.0457
0.75 222.0 -0.0299 0.6407 0.0301
0.75 234.0 -0.2729 0.8621 0.0343
0.75 258.0 -1.8281 0.6672 0.1148
0.75 270.0 -0.3887 0.5893 0.0381
0.75 282.0 -0.3052 0.6977 0.0352
0.75 294.0 -0.1363 0.8059 0.0311
0.85 102.0 1.9145 0.8138 0.1198
0.85 114.0 0.3192 0.7278 0.0357
0.85 126.0 0.6227 0.7487 0.0482
0.85 198.0 0.4321 0.9292 0.0398
0.85 210.0 -1.3267 0.719 0.0858
0.85 222.0 1.0077 0.5705 0.068
0.85 234.0 -0.4156 0.8161 0.0392
0.85 246.0 0.0804 0.8989 0.0304
Created in SINP MSU, CLAS Collaboration