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Measurement E151M294

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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 : 0.0245 GeV2
W : 1355 GeV
ε : 0.8796
Ebeam : 1.3383 GeV
εL: 0.0789 

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 42 -0.3882 0.5742 0.0384
0.35 30 1.4211 0.5852 0.093
0.35 42 -1.0028 0.4417 0.069
0.35 54 0.7494 0.6387 0.0553
0.45 30 1.3634 0.5238 0.0896
0.45 42 -0.4671 0.5272 0.0417
0.55 30 -0.167 0.4741 0.0317
0.55 42 0.912 0.5874 0.0639
0.55 126 0.015 0.6121 0.03
0.55 138 -0.2413 0.6586 0.0335
0.55 222 -0.1736 0.5839 0.0319
0.55 234 0.6405 0.4598 0.0497
0.55 246 -0.6268 0.4007 0.0491
0.55 258 -0.307 0.5275 0.0355
0.65 114 -0.1301 0.6592 0.0311
0.65 126 0.3992 0.581 0.0389
0.65 138 -0.4722 0.3841 0.0419
0.65 150 -0.0338 0.4742 0.0301
0.65 162 -0.4465 0.575 0.0408
0.65 174 0.4188 0.6626 0.0397
0.65 198 -0.4247 0.6013 0.0399
0.65 210 -0.0125 0.5383 0.03
0.65 222 0.0246 0.3855 0.03
0.65 234 0.0628 0.3746 0.0303
0.65 246 0.0767 0.3404 0.0304
0.65 258 0.2005 0.3883 0.0325
0.75 114 0.0682 0.5077 0.0303
0.75 126 -0.0517 0.4162 0.0302
0.75 138 -0.2248 0.3805 0.0331
0.75 150 -0.2375 0.4472 0.0334
0.75 162 -0.0365 0.4895 0.0301
0.75 174 -0.4698 0.6265 0.0418
0.75 198 0.7054 0.5635 0.053
0.75 210 0.4982 0.5286 0.043
0.75 222 0.4723 0.3862 0.0419
0.75 234 -0.2587 0.314 0.034
0.75 246 0.1963 0.3346 0.0324
0.75 258 0.259 0.4093 0.034
0.75 270 -0.8662 0.5299 0.0615
0.85 114 0.2894 0.641 0.0349
0.85 126 0.0869 0.5985 0.0305
0.85 138 -0.5358 0.475 0.0447
0.85 150 -0.5644 0.5284 0.0461
0.85 162 0.2343 0.5335 0.0333
0.85 210 0.2709 0.4518 0.0344
0.85 222 0.9266 0.3443 0.0647
0.85 234 -0.2098 0.3245 0.0327
0.85 246 0.2837 0.3131 0.0348
0.85 258 0.4341 0.3837 0.0403
0.85 270 -0.0215 0.45 0.03
0.95 114 0.6632 0.5294 0.0509
0.95 126 -0.285 0.5238 0.0348
0.95 222 1.398 0.4647 0.0916
0.95 234 0.5018 0.4738 0.0432
0.95 246 -0.537 0.4521 0.0448
0.95 258 -0.1535 0.5224 0.0315
0.15 42 0.9632 1.1244 0.0653
0.25 30 -0.0746 0.9264 0.0303
0.25 42 0.776 0.9341 0.0555
0.35 30 -0.236 0.7161 0.0332
0.35 42 0.2143 0.6813 0.0327
0.35 54 0.9854 1.1339 0.0665
0.45 18 -0.6325 0.6646 0.0485
0.45 30 0.3081 0.8126 0.0353
0.45 42 -0.3207 0.679 0.0357
0.45 54 0.8173 1.1462 0.0576
0.55 30 -1.0797 0.4247 0.0716
0.55 42 1.2243 1.0582 0.0796
0.55 138 -1.4453 0.4979 0.0921
0.55 222 0.3479 0.7866 0.0366
0.55 234 -0.6388 0.5062 0.0488
0.55 246 -0.3915 0.561 0.0382
0.55 258 0.5313 0.8609 0.0439
0.65 114 0.6684 1.186 0.0502
0.65 126 -0.8683 0.5071 0.0603
0.65 138 0.432 0.9738 0.0397
0.65 150 0.5583 0.8382 0.0451
0.65 162 -1.1211 0.496 0.0739
0.65 198 1.4729 1.3492 0.0936
0.65 210 -0.7515 0.5351 0.0543
0.65 222 -0.0704 0.515 0.0303
0.65 234 -0.4729 0.4209 0.0414
0.65 246 -0.145 0.4757 0.0312
0.65 258 1.6919 0.7984 0.1062
0.65 270 -0.6209 0.5758 0.0479
0.75 114 -0.7074 0.6573 0.0521
0.75 126 2.4851 2.4851 0.1526
0.75 138 -0.363 0.5398 0.0371
0.75 150 -0.5912 0.5228 0.0466
0.75 162 -0.4076 0.7927 0.0388
0.75 174 0.1998 1.1686 0.0323
0.75 210 0.3708 0.7801 0.0374
0.75 222 0.8457 0.7362 0.0591
0.75 234 -0.2867 0.4451 0.0346
0.75 246 0.5069 0.6057 0.0428
0.75 258 0.6649 0.6047 0.05
0.75 270 0.1765 0.7469 0.0318
0.85 114 -0.2792 0.9134 0.0344
0.85 126 -0.3529 0.7043 0.0368
0.85 138 -0.6666 0.6133 0.0501
0.85 150 0.9354 1.0875 0.0638
0.85 162 -0.6679 0.6086 0.0502
0.85 174 -0.2871 0.8784 0.0346
0.85 210 -0.8046 0.4777 0.057
0.85 222 0.2329 0.6661 0.0331
0.85 234 0.7913 0.5347 0.0563
0.85 246 -0.4721 0.3572 0.0413
0.85 258 0.1028 0.5491 0.0306
0.85 270 1.7365 1.0123 0.1088
0.95 126 0.1947 0.8242 0.0322
0.95 222 0.0862 0.7523 0.0304
0.95 234 -0.2274 0.5604 0.033
0.95 246 -0.1019 0.6266 0.0306
0.95 258 -0.0886 0.7196 0.0305