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Measurement E151M267

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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 : 0.1715 GeV2
W : 1295 GeV
ε : 0.8286
Ebeam : 1.3383 GeV
εL: 0.5339 

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
0.55 270 -0.182 0.7 0.0319
0.55 282 3.0338 3.0338 0.1851
0.65 258 0.1974 0.8249 0.0323
0.65 270 -0.7885 0.4205 0.0562
0.65 282 0.4721 0.8051 0.0413
0.75 102 -1.0481 0.5439 0.0699
0.75 114 -0.218 0.7823 0.0327
0.75 234 -1.0825 0.4658 0.0718
0.75 246 -0.0198 0.7077 0.03
0.75 258 -0.5598 0.4636 0.0451
0.75 270 0.748 0.951 0.0541
0.75 282 -0.2317 0.5573 0.0331
0.75 294 -0.1326 0.7902 0.031
0.85 90 -0.9746 0.5816 0.0659
0.85 102 0.5016 0.8924 0.0426
0.85 114 0.1669 0.6961 0.0316
0.85 126 0.5283 0.8937 0.0437
0.85 138 -0.1369 0.7658 0.0311
0.85 150 0.6337 0.873 0.0485
0.85 162 0.9309 1.0091 0.0636
0.85 246 1.0884 0.8778 0.0721
0.85 258 0.6381 0.7713 0.0487
0.85 270 -0.6003 0.4723 0.047
0.85 282 0.2685 0.7812 0.0341
0.85 294 0.3411 0.7808 0.0364
0.95 54 -0.1249 0.6537 0.0309
0.95 66 0.1108 0.7735 0.0307
0.95 114 0.392 0.7799 0.0382
0.95 126 0.5417 0.7729 0.0443
0.95 138 -0.2416 0.6563 0.0333
0.95 162 -0.796 0.511 0.0565
0.95 174 -0.9913 0.4245 0.0668
0.95 270 -0.6902 0.4252 0.0513
0.95 282 -0.1734 0.5792 0.0318
0.45 282 -0.3644 0.5761 0.0375
0.55 258 -0.1944 0.5336 0.0323
0.55 270 0.1287 0.4952 0.031
0.65 246 0.3197 0.6056 0.0359
0.65 258 -0.0016 0.5163 0.03
0.65 270 0.6442 0.4244 0.0499
0.65 282 -0.1742 0.5099 0.0319
0.75 102 0.2079 0.584 0.0326
0.75 114 -0.3859 0.6077 0.0384
0.75 126 -0.6183 0.5635 0.0486
0.75 246 0.0977 0.4164 0.0306
0.75 258 0.0362 0.4031 0.0301
0.75 270 0.0617 0.4622 0.0302
0.75 282 0.1273 0.462 0.031
0.75 294 1.066 0.5142 0.0725
0.85 90 -1.0618 0.4432 0.0723
0.85 102 0.1234 0.4705 0.031
0.85 114 0.0762 0.4622 0.0304
0.85 126 0.3953 0.5008 0.0387
0.85 138 0.3474 0.547 0.0369
0.85 150 -0.4684 0.5974 0.0417
0.85 234 -0.2749 0.5559 0.0345
0.85 258 0.4169 0.5189 0.0396
0.85 270 0.5911 0.4046 0.0473
0.85 282 -0.0125 0.3884 0.03
0.85 294 -0.2632 0.4232 0.0341
0.85 306 -0.3672 0.5509 0.0376
0.95 54 0.5759 0.4934 0.0466
0.95 66 0.0404 0.4875 0.0301
0.95 114 0.3 0.489 0.0353
0.95 126 0.7637 0.4215 0.056
0.95 138 -0.5212 0.4522 0.0441
0.95 150 0.2797 0.4625 0.0346
0.95 162 0.4423 0.5307 0.0406
0.95 258 0.6516 0.4662 0.0503
0.95 270 0.4364 0.4691 0.0404
0.95 294 -0.4811 0.4419 0.0423