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Measurement E151M293

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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 : 1355 GeV
ε : 0.8822
Ebeam : 1.3383 GeV
εL: 0.0668 

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
0.25 30 0.0927 0.9478 0.0305
0.25 42 0.1884 0.4049 0.0396
0.35 30 -0.2317 0.606 0.0333
0.35 42 -0.4735 0.4232 0.042
0.45 18 1.0103 1.463 0.0678
0.45 30 -0.0619 0.9348 0.0302
0.45 42 0.418 0.8223 0.0392
0.55 30 1.2851 1.0199 0.083
0.55 42 -0.6767 0.7483 0.0506
0.55 138 -0.432 0.7405 0.0397
0.55 222 0.4106 0.9013 0.0389
0.55 234 -0.8531 0.4303 0.0595
0.55 246 -0.3173 0.5017 0.0356
0.55 258 0.2462 0.6845 0.0335
0.65 126 0.0221 0.706 0.03
0.65 138 -0.7318 0.4943 0.0533
0.65 150 -0.1601 0.6773 0.0315
0.65 162 -0.6802 0.7698 0.0508
0.65 210 2.1325 2.1325 0.1319
0.65 222 0.4828 0.6931 0.0418
0.65 234 -0.3085 0.4125 0.0353
0.65 246 0.1987 0.5383 0.0323
0.65 258 1.2943 0.758 0.0835
0.75 114 1.915 1.2629 0.1192
0.75 126 0.8239 0.8174 0.058
0.75 138 -0.7179 0.5462 0.0526
0.75 150 -0.526 0.5587 0.0436
0.75 162 -0.2861 0.8143 0.0346
0.75 198 0.2919 1.1051 0.0348
0.75 222 0.2963 0.6272 0.0349
0.75 234 -1.0015 0.3261 0.0674
0.75 246 0.1745 0.5279 0.0318
0.75 258 -0.7316 0.499 0.0533
0.85 114 0.9133 1.112 0.0626
0.85 126 -1.081 0.6086 0.0717
0.85 138 0.7472 0.9145 0.0541
0.85 150 0.3519 0.8107 0.0367
0.85 162 1.8536 1.175 0.1156
0.85 198 -0.3537 0.7471 0.0368
0.85 210 1.9513 1.0037 0.1213
0.85 222 1.387 0.8843 0.0887
0.85 234 0.7658 0.5776 0.055
0.85 246 0.1297 0.5147 0.031
0.85 258 0.3973 0.5879 0.0384
0.85 270 -1.1899 0.407 0.0777
0.95 126 0.4631 1.0172 0.041
0.95 234 -0.2608 0.6236 0.0339
0.95 246 -0.3404 0.5427 0.0363
0.95 258 2.6691 2.6691 0.1635
0.35 54 0.0208 0.5662 0.03
0.45 18 0.5905 0.6185 0.0473
0.45 30 0.4166 0.5943 0.0396
0.45 42 0.9081 0.5594 0.0637
0.55 30 -0.9793 0.4506 0.0677
0.55 42 0.3073 0.4842 0.0355
0.55 138 -0.396 0.6211 0.0387
0.55 150 -0.2612 0.6501 0.0341
0.55 162 0.9144 0.6402 0.0641
0.55 222 -0.2128 0.4778 0.0328
0.55 234 0.1073 0.5887 0.0307
0.55 246 -0.0853 0.4166 0.0305
0.55 258 -1.2611 0.428 0.0837
0.65 126 -0.1359 0.4691 0.0312
0.65 138 -0.2997 0.4728 0.0353
0.65 150 0.398 0.4829 0.0388
0.65 162 -0.2647 0.6468 0.0342
0.65 210 0.7553 0.5393 0.0556
0.65 222 -0.2009 0.3965 0.0325
0.65 234 -0.0093 0.3583 0.03
0.65 246 -0.0092 0.3408 0.03
0.65 258 -0.1313 0.421 0.0311
0.75 114 -1.0418 0.5758 0.0711
0.75 126 -0.884 0.437 0.0624
0.75 138 -0.4326 0.3926 0.0402
0.75 150 0.1601 0.4294 0.0316
0.75 162 -1.547 0.4599 0.1004
0.75 174 0.3183 0.6537 0.0359
0.75 210 0.4572 0.5264 0.0412
0.75 222 0.6189 0.4366 0.0487
0.75 234 -0.0423 0.3606 0.0301
0.75 246 0.3838 0.3489 0.0383
0.75 258 -0.1076 0.389 0.0307
0.85 126 1.039 0.5817 0.071
0.85 138 0.1565 0.5737 0.0315
0.85 150 -0.2137 0.4702 0.0328
0.85 162 0.0986 0.5948 0.0306
0.85 210 -0.1054 0.5724 0.0307
0.85 222 -0.4411 0.482 0.0406
0.85 234 0.3835 0.3702 0.0383
0.85 246 0.652 0.3427 0.0503
0.85 258 -0.0339 0.376 0.0301
0.85 270 -0.5436 0.5246 0.0451
0.95 138 -0.1591 0.5251 0.0316
0.95 234 0.7734 0.5303 0.0565
0.95 246 0.1223 0.5011 0.0309