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Measurement E151M672

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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 : 1625 GeV
ε : 0.8052
Ebeam : 1.9889 GeV
εL: 0.0429 

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 30 0.2529 0.7721 0.0338
0.35 66 -0.1597 0.7432 0.0316
0.35 78 -0.3391 0.705 0.0365
0.35 270 0.3284 0.7866 0.0361
0.45 78 -0.6279 0.6352 0.0487
0.45 90 -0.3183 0.8022 0.0358
0.45 258 0.3029 0.7299 0.0353
0.45 270 0.2558 0.5896 0.0338
0.45 282 -0.1562 0.706 0.0315
0.45 294 -0.4995 0.6454 0.0428
0.55 78 -0.3142 0.7963 0.0356
0.55 90 -0.5221 0.6571 0.0438
0.55 102 -1.4909 0.6129 0.096
0.55 114 1.4252 0.8212 0.0922
0.55 138 0.3357 0.7294 0.0364
0.55 210 1.6455 0.7296 0.105
0.55 222 0.1716 0.7103 0.0318
0.55 246 1.051 0.8486 0.0709
0.55 258 -0.0428 0.6668 0.0301
0.55 270 1.0784 0.5926 0.0725
0.55 282 0.3752 0.6686 0.0378
0.65 78 0.2377 0.8288 0.0333
0.65 114 1.2905 0.849 0.0844
0.65 126 -1.3888 0.4747 0.0901
0.65 138 -0.7697 0.5933 0.0558
0.65 150 -0.7341 0.7168 0.054
0.65 198 -0.1869 0.7874 0.0321
0.65 210 1.0171 0.7855 0.0691
0.65 222 1.1399 0.7558 0.0759
0.65 234 -0.1445 0.6405 0.0313
0.65 258 0.4096 0.7789 0.0391
0.65 282 1.4177 0.6682 0.0918
0.65 294 1.2828 0.779 0.084
0.75 66 -0.1059 0.7185 0.0307
0.75 78 0.4237 0.7407 0.0396
0.75 102 -1.9515 0.4726 0.1231
0.75 126 0.032 0.7455 0.0301
0.75 138 -0.3101 0.7507 0.0355
0.75 198 1.1626 0.8442 0.0772
0.75 210 0.2731 0.5946 0.0343
0.75 222 -0.7999 0.5157 0.0574
0.75 234 0.7338 0.6898 0.054
0.75 258 -0.3628 0.7764 0.0373
0.75 270 -0.2368 0.5721 0.0333
0.75 282 -0.0344 0.5394 0.0301
0.75 294 0.2107 0.7221 0.0326
0.85 102 1.4184 0.8935 0.0918
0.85 114 -0.6658 0.5762 0.0506
0.85 138 -1.5414 0.5611 0.0989
0.85 198 1.7459 0.771 0.1109
0.85 210 0.0686 0.5869 0.0303
0.85 222 -0.0401 0.5433 0.0301
0.85 234 1.1 0.7221 0.0737
0.85 246 0.6278 0.7317 0.0487