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Measurement E151M639

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Experiment: EG4, 2016

Spokespersons: Xiaochao Zheng

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).

No publications available for this experiment

Quantity measured: AUL,
Target spin asymmetry.
Beam: e, polarization: longitudinal
Target: p (Z=1, A=1), polarization: longitudinal
Final state: π+n, polarization: none

Q2 : 0.0415 GeV2
W : 1565 GeV
ε : 0.852
Ebeam : 1.9889 GeV
εL: 0.0481 

Select data slice:
cos(θπ+) =
Observable quantity measured (Y axis): AUL,
Plot measurement data

Parameter (X axis): φ(π+), degrees

Click here to get data in text file, delimited with tabs.

Measured data:

cos(θπ+) φ(π+),
degrees 		AUL Stat. error Syst. error
0.35 18 -0.6424 0.7356 0.0494
0.35 66 0.4583 0.8229 0.0411
0.35 78 1.9801 0.678 0.1248
0.35 90 2.2923 0.8245 0.1434
0.35 270 0.3538 0.7317 0.037
0.35 282 0.562 0.6767 0.0456
0.35 294 -0.3246 0.7736 0.036
0.45 18 -0.6862 0.6845 0.0516
0.45 66 1.5017 0.8277 0.0966
0.45 78 0.0808 0.6337 0.0304
0.45 90 -1.0767 0.6152 0.0724
0.45 126 -1.4825 0.6311 0.0955
0.45 138 1.6663 0.8982 0.1062
0.45 246 0.6506 0.8361 0.0498
0.45 258 0.0159 0.5897 0.03
0.45 270 -0.3309 0.4943 0.0362
0.45 282 -0.6935 0.5037 0.052
0.55 78 0.1072 0.7345 0.0307
0.55 90 -0.9728 0.5871 0.0666
0.55 114 -0.693 0.5856 0.0519
0.55 126 -2.0896 0.428 0.1313
0.55 138 -0.3669 0.7161 0.0375
0.55 150 -0.6629 0.7263 0.0504
0.55 198 2.4076 2.4076 0.1503
0.55 210 1.2598 0.752 0.0827
0.55 222 -0.0462 0.7776 0.0301
0.55 234 -0.2537 0.7334 0.0338
0.55 246 1.5473 0.7472 0.0993
0.55 258 -1.2509 0.55 0.0822
0.55 270 0.3464 0.503 0.0367
0.55 282 -0.2736 0.5229 0.0344
0.55 294 0.3781 0.7938 0.0379
0.65 78 0.1896 0.6944 0.0322
0.65 90 -1.161 0.6074 0.0771
0.65 102 -0.261 0.7308 0.034
0.65 114 -0.9379 0.5796 0.0647
0.65 126 -0.6842 0.4516 0.0515
0.65 138 0.5982 0.627 0.0473
0.65 150 -0.0198 0.7884 0.03
0.65 198 0.5155 0.6939 0.0435
0.65 210 0.1997 0.6688 0.0324
0.65 222 -0.324 0.5 0.036
0.65 234 0.3667 0.7356 0.0375
0.65 246 0.1961 0.7049 0.0323
0.65 258 -0.4227 0.6146 0.0396
0.65 270 -0.811 0.6143 0.058
0.65 282 0.3293 0.6396 0.0361
0.65 294 -0.3925 0.67 0.0384
0.75 66 0.1292 0.6228 0.031
0.75 78 0.3061 0.6176 0.0354
0.75 90 -1.3381 0.5648 0.0872
0.75 114 0.4349 0.8201 0.0401
0.75 126 -0.3085 0.6788 0.0354
0.75 138 0.0498 0.5845 0.0302
0.75 150 -0.5591 0.7146 0.0455
0.75 186 0.364 0.8235 0.0374
0.75 198 0.2189 0.6763 0.0329
0.75 210 1.0223 0.6208 0.0694
0.75 222 1.7504 0.6131 0.1112
0.75 234 1.6236 0.584 0.1037
0.75 246 -0.2347 0.6604 0.0333
0.75 258 -0.8665 0.6119 0.0609
0.75 270 1.0857 0.6246 0.0729
0.75 282 -0.1874 0.4178 0.0321
0.75 294 -1.1799 0.5291 0.0782
0.85 102 -0.9626 0.5226 0.0661
0.85 114 -0.8055 0.5049 0.0577
0.85 126 -0.7167 0.7076 0.0531
0.85 186 -0.8371 0.6604 0.0593
0.85 198 1.1713 0.8269 0.0777
0.85 210 0.4717 0.5314 0.0416
0.85 222 0.7204 0.5714 0.0533
0.85 234 0.3678 0.5223 0.0375
0.85 246 0.6687 0.6421 0.0507