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Measurement E151M370

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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 : 1475 GeV
ε : 0.768
Ebeam : 1.3383 GeV
εL: 0.032 

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
0.35 30 0.9083 0.5701 0.0634
0.35 42 -0.0144 0.4362 0.0447
0.45 18 -0.1062 0.4832 0.0338
0.45 30 0.3435 0.4674 0.038
0.45 42 0.0789 0.4396 0.0314
0.45 54 1.3815 1.1183 0.0884
0.45 126 0.1056 0.6505 0.0307
0.45 138 -0.2934 0.6113 0.0351
0.45 150 -0.6055 0.5897 0.048
0.45 210 1.6057 0.5455 0.1032
0.45 222 0.2673 0.558 0.0357
0.45 234 0.3886 0.4726 0.0434
0.55 30 -0.0725 0.4979 0.0303
0.55 42 0.7449 0.5393 0.055
0.55 126 -1.3695 0.4491 0.0899
0.55 138 -0.4529 0.5227 0.0411
0.55 150 -0.0762 0.5259 0.0304
0.55 162 -0.4243 0.6039 0.0399
0.55 210 0.5633 0.5928 0.046
0.55 222 0.4016 0.4551 0.039
0.55 234 0.6878 0.4548 0.0521
0.55 246 0.448 0.5142 0.0409
0.65 126 -0.7826 0.5415 0.057
0.65 138 -1.1123 0.4045 0.0751
0.65 150 -0.2144 0.5587 0.0328
0.65 162 -1.549 0.5242 0.1005
0.65 198 1.4177 0.6741 0.0928
0.65 210 0.5864 0.5523 0.0471
0.65 222 1.2145 0.3913 0.081
0.65 234 0.3691 0.4544 0.0377
0.65 246 -0.2916 0.5177 0.035
0.75 126 -1.714 0.5084 0.1103
0.75 138 0.4387 0.4573 0.0405
0.75 150 -0.0849 0.4639 0.0305
0.75 162 -0.5703 0.5016 0.0463
0.75 198 -0.1091 0.6295 0.0308
0.75 210 0.8645 0.4822 0.0614
0.75 222 0.5771 0.3878 0.0467
0.75 234 -0.0194 0.44 0.03
0.75 246 0.9386 0.418 0.0654
0.85 114 -0.146 0.6131 0.0313
0.85 126 -0.4783 0.5242 0.0422
0.85 138 -0.1673 0.5345 0.0317
0.85 198 0.4384 0.6284 0.0405
0.85 210 -0.0726 0.5421 0.0303
0.85 222 0.3253 0.5027 0.0361
0.85 234 -0.0442 0.3817 0.0301
0.85 246 0.9761 0.468 0.0675
0.85 258 0.471 0.6076 0.0418
0.95 234 -0.0488 0.4937 0.0302
0.45 246 0.0063 0.7342 0.03
0.55 18 -0.6219 0.6997 0.048
0.55 30 -0.0758 0.7465 0.0303
0.55 42 -0.4006 0.6847 0.0385
0.55 126 -0.5734 0.723 0.0457
0.55 138 -1.3332 0.4597 0.0857
0.55 150 -0.1611 0.7867 0.0315
0.55 162 -0.3005 0.9927 0.035
0.55 174 -0.2453 0.9802 0.0334
0.55 210 -0.416 0.6583 0.0391
0.55 222 1.0598 0.7664 0.0705
0.55 234 -0.5997 0.5034 0.0469
0.55 246 0.054 0.7961 0.0302
0.65 126 -0.8126 0.6663 0.0574
0.65 138 1.1078 0.9654 0.0731
0.65 150 0.005 0.7873 0.03
0.65 162 0.4463 0.8769 0.0403
0.65 198 -0.4291 0.7266 0.0396
0.65 210 0.39 0.735 0.0381
0.65 222 -0.3278 0.5591 0.0359
0.65 234 -0.3588 0.4902 0.037
0.65 246 0.7626 0.6989 0.0549
0.75 126 -1.4717 0.5007 0.0936
0.75 138 0.0229 0.8766 0.03
0.75 150 1.3205 1.1135 0.085
0.75 162 -0.1475 0.8548 0.0313
0.75 210 0.7695 0.913 0.0552
0.75 222 0.0708 0.5678 0.0303
0.75 234 0.0843 0.529 0.0304
0.75 246 -0.3197 0.5729 0.0356
0.75 258 -0.1944 0.9007 0.0322
0.85 126 -0.3985 0.8227 0.0384
0.85 138 0.136 0.9828 0.0311
0.85 210 0.6013 1.0951 0.047
0.85 222 0.0497 0.5206 0.0301
0.85 234 0.8227 0.6043 0.0579
0.85 246 0.5671 0.6771 0.0455
0.95 222 -0.0452 0.7774 0.0301
0.95 234 0.9477 0.8683 0.0645