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Measurement E151M375

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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 : 0.0496 GeV2
W : 1475 GeV
ε : 0.7443
Ebeam : 1.3383 GeV
εL: 0.0719 

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 Data errors Systematic errors
0.35 30 1.069 0.5734 0.0727
0.35 42 0.4515 0.5799 0.041
0.45 30 0.8164 0.6681 0.0588
0.45 42 0.6778 0.6457 0.0516
0.55 126 -0.3384 0.6776 0.0366
0.55 138 -0.4102 0.6699 0.0393
0.55 210 0.0029 0.6085 0.03
0.55 222 -0.1199 0.6497 0.0309
0.55 234 0.6207 0.5211 0.0488
0.55 246 0.3947 0.5356 0.0387
0.65 114 0.0547 0.6733 0.0302
0.65 126 -0.7728 0.5336 0.0565
0.65 138 -0.7481 0.5116 0.0552
0.65 150 -0.6907 0.6725 0.0522
0.65 162 -0.0521 0.6155 0.0302
0.65 210 0.6387 0.6301 0.0496
0.65 222 1.0094 0.5064 0.0693
0.65 234 -0.0236 0.5066 0.03
0.65 246 -0.1625 0.4406 0.0316
0.75 126 -0.2013 0.5209 0.0325
0.75 138 -0.2481 0.4948 0.0337
0.75 150 -0.9979 0.4992 0.0687
0.75 162 -0.5356 0.6633 0.0447
0.75 174 -0.5637 0.6464 0.046
0.75 222 0.8316 0.5197 0.0596
0.75 234 0.6916 0.4611 0.0523
0.75 246 -0.4339 0.4648 0.0403
0.75 258 0.4435 0.5369 0.0407
0.85 126 -0.4797 0.5719 0.0422
0.85 222 0.9958 0.4662 0.0686
0.85 234 0.4629 0.418 0.0415
0.85 246 0.697 0.4246 0.0526
0.85 258 -0.6419 0.4353 0.0498
0.95 234 0.2894 0.5037 0.0349
0.95 246 -0.6108 0.497 0.0483
0.25 42 -0.2412 0.8646 0.0333
0.35 42 0.6266 1.214 0.0482
0.45 30 -0.3586 0.7423 0.037
0.45 42 0.2725 1.2504 0.0342
0.45 234 -0.0086 0.9453 0.03
0.55 150 -1.0467 0.5931 0.0698
0.55 210 1.3036 1.0739 0.084
0.55 222 0.2839 0.827 0.0345
0.55 234 -0.6134 0.6871 0.0476
0.55 246 2.2734 2.2734 0.1401
0.55 258 2.0775 1.0628 0.1286
0.65 126 -0.5162 0.773 0.0432
0.65 138 -0.1176 0.8923 0.0308
0.65 150 0.2514 1.028 0.0336
0.65 162 -1.4023 0.4916 0.0896
0.65 210 0.7753 1.1477 0.0555
0.65 222 0.9659 0.9008 0.0654
0.65 234 0.1475 0.6642 0.0313
0.65 246 -0.0384 0.7109 0.0301
0.65 258 3.3847 3.3847 0.206
0.75 126 -0.6677 0.7427 0.0502
0.75 138 -0.5931 0.593 0.0466
0.75 150 0.7836 1.2092 0.0559
0.75 162 -0.7324 0.8212 0.0533
0.75 222 -0.1031 0.7211 0.0306
0.75 234 0.2852 0.6552 0.0346
0.75 246 0.0445 0.6019 0.0301
0.75 258 -0.4118 0.7334 0.0389
0.85 126 1.093 1.1486 0.0723
0.85 210 -0.5557 0.7548 0.0449
0.85 222 1.5337 0.9166 0.0971
0.85 234 0.5556 0.7666 0.0449
0.85 246 0.2002 0.6814 0.0323
0.85 258 0.4527 0.76 0.0405
0.95 234 -0.2981 0.6568 0.035
0.95 246 0.1629 0.778 0.0316