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Measurement E151M47

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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 : 0.0205 GeV2
W : 1265 GeV
ε : 0.8868
Ebeam : 1.0539 GeV
εL: 0.1168 

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
0.15 42 -0.7126 0.6056 0.0864
0.25 42 0.0343 0.4669 0.0303
0.25 54 0.7291 0.5 0.0882
0.35 30 0.4843 0.5903 0.0627
0.35 42 -0.2665 0.4545 0.0427
0.35 54 0.0179 0.515 0.0301
0.35 66 -0.3829 0.5431 0.0529
0.45 30 0.3581 0.5556 0.0506
0.45 42 -0.41 0.379 0.0555
0.45 54 0.2675 0.5964 0.0427
0.45 258 -0.5857 0.4985 0.0731
0.45 270 0.6474 0.5368 0.0795
0.45 282 0.2975 0.6184 0.0452
0.55 42 0.973 0.4934 0.1147
0.55 54 0.985 0.6276 0.116
0.55 234 -0.8504 0.3952 0.1013
0.55 246 -0.3935 0.3419 0.0539
0.55 258 0.2 0.312 0.0377
0.55 270 0.0902 0.3522 0.0317
0.55 282 0.0794 0.429 0.0313
0.65 138 -0.1536 0.5442 0.0347
0.65 150 0.4639 0.6821 0.0607
0.65 162 1.0427 0.5882 0.1224
0.65 174 -0.1275 0.6127 0.0333
0.65 186 0.1517 0.603 0.0346
0.65 198 0.1695 0.6603 0.0357
0.65 222 0.7581 0.5266 0.0913
0.65 234 0.0155 0.3287 0.0301
0.65 246 0.1229 0.2832 0.0331
0.65 258 -0.3252 0.2403 0.0476
0.65 270 -0.0096 0.3382 0.03
0.65 282 0.6199 0.4893 0.0766
0.75 138 -0.1521 0.4998 0.0346
0.75 150 0.6169 0.4003 0.0763
0.75 162 -0.0302 0.3949 0.0302
0.75 174 -0.1559 0.3769 0.0349
0.75 186 0.1714 0.4236 0.0358
0.75 198 0.8666 0.4881 0.1031
0.75 210 -0.6349 0.4025 0.0782
0.75 222 -0.4711 0.3761 0.0614
0.75 234 -0.3388 0.3222 0.0488
0.75 246 -0.243 0.257 0.0408
0.75 258 -0.3662 0.2339 0.0513
0.75 270 -0.1583 0.2997 0.035
0.75 282 0.6514 0.4148 0.08
0.85 138 -0.6731 0.4294 0.0822
0.85 150 0.0971 0.3808 0.032
0.85 162 0.432 0.4082 0.0576
0.85 174 0.1161 0.4328 0.0328
0.85 186 0.2304 0.4871 0.0398
0.85 198 -0.8233 0.4242 0.0984
0.85 210 -0.0738 0.4762 0.0312
0.85 222 -0.0831 0.439 0.0315
0.85 234 -0.8144 0.2722 0.0974
0.85 246 0.294 0.2779 0.0449
0.85 258 0.4444 0.2957 0.0588
0.85 270 0.3742 0.409 0.0521