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Measurement E151M1018

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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 : 0.348 GeV2
W : 1415 GeV
ε : 0.9317
Ebeam : 2.999 GeV
εL: 0.5285 

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
0.05 66 -0.796 0.7002 0.0655
0.15 54 0.6009 0.8524 0.0532
0.15 66 1.0284 0.778 0.0809
0.15 294 0.4775 0.7807 0.046
0.15 306 -0.2651 0.6961 0.0357
0.25 54 1.689 0.9032 0.127
0.25 66 0.0666 0.7212 0.0304
0.25 282 1.0977 0.8015 0.0857
0.35 294 -0.5121 0.6014 0.048
0.45 90 -0.0682 0.7427 0.0304
0.45 102 -0.271 0.7594 0.0359
0.45 282 -1.5082 0.5091 0.1142
0.45 294 -0.1195 0.7035 0.0312
0.55 78 -0.2601 0.5856 0.0355
0.55 90 0.2189 0.6505 0.034
0.55 102 -0.6751 0.5393 0.0577
0.55 270 -0.3473 0.6461 0.0393
0.65 78 -0.1898 0.5385 0.0331
0.65 90 -0.0568 0.4465 0.0303
0.65 102 -0.0119 0.486 0.03
0.65 114 0.0614 0.7658 0.0303
0.65 246 -0.8228 0.5979 0.0672
0.65 258 1.1027 0.7395 0.086
0.65 270 -0.6625 0.5923 0.057
0.65 282 0.2078 0.7328 0.0336
0.75 54 1.1823 0.687 0.0915
0.75 78 0.176 0.5153 0.0326
0.75 90 -0.0802 0.4884 0.0306
0.75 102 0.541 0.5485 0.0496
0.75 114 0.3099 0.653 0.0376
0.75 126 -0.2391 0.7597 0.0347
0.75 234 0.1663 0.6358 0.0324
0.75 246 -0.8252 0.4483 0.0674
0.75 258 0.1088 0.4544 0.031
0.75 270 -0.0192 0.5072 0.03
0.75 282 -1.0397 0.4073 0.0817
0.75 294 -0.9614 0.5369 0.0764
0.85 42 -0.4699 0.6081 0.0456
0.85 54 -0.4011 0.4611 0.0419
0.85 78 0.0606 0.5536 0.0303
0.85 90 -0.6138 0.4256 0.054
0.85 102 0.1744 0.5427 0.0326
0.85 114 0.0676 0.5544 0.0304
0.85 126 0.473 0.6863 0.0458
0.85 138 0.1952 0.8055 0.0332
0.85 198 -0.2641 0.7078 0.0357
0.85 210 -0.0257 0.6472 0.0301
0.85 222 0.6906 0.6408 0.0587
0.85 234 -0.8144 0.4452 0.0667
0.85 246 -0.431 0.4089 0.0435
0.85 258 -0.3292 0.474 0.0385
0.85 270 0.0512 0.4505 0.0302
0.85 282 -0.2092 0.4192 0.0337
0.85 294 -0.0824 0.4021 0.0306
0.85 306 0.4606 0.4781 0.0451
0.85 318 0.3106 0.6669 0.0376
0.95 90 -0.6946 0.5386 0.059
0.95 102 -0.3322 0.5601 0.0386
0.95 114 -0.1357 0.5833 0.0316
0.95 126 0.6417 0.8469 0.0557
0.95 198 0.5898 0.6811 0.0525
0.95 210 0.3096 0.6851 0.0376
0.95 222 0.24 0.6809 0.0348
0.95 234 -0.5446 0.4746 0.0498
0.95 246 0.4615 0.5238 0.0451
0.95 258 0.308 0.5203 0.0375
0.95 270 -0.4044 0.4561 0.0421
0.95 282 -0.0607 0.5365 0.0303
0.95 294 0.232 0.5405 0.0345
0.95 306 0.3037 0.5594 0.0373
0.95 318 0.2246 0.5475 0.0342
0.95 330 0.1432 0.4961 0.0318
0.95 342 1.5209 0.7624 0.1151
0.95 354 -0.0022 0.7011 0.03