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Measurement E151M334

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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 : 0.0291 GeV2
W : 1415 GeV
ε : 0.8261
Ebeam : 1.3383 GeV
εL: 0.064 

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 1.392 0.6296 0.0913
0.25 42 -0.0313 0.4988 0.037
0.35 30 -0.5252 0.4856 0.044
0.35 42 -0.2583 0.4455 0.0345
0.45 18 1.045 0.5734 0.0713
0.45 30 0.4007 0.504 0.0389
0.45 42 0.5514 0.5967 0.0454
0.55 30 -0.725 0.5638 0.054
0.55 42 -0.0027 0.6579 0.03
0.55 126 -0.2206 0.6536 0.033
0.55 138 0.1442 0.6305 0.0313
0.55 150 -0.1157 0.6102 0.0308
0.55 162 0.5569 0.7249 0.0457
0.55 210 0.2333 0.6637 0.0333
0.55 222 0.6367 0.5779 0.0495
0.55 234 0.7141 0.4775 0.0534
0.55 246 -0.2237 0.5223 0.033
0.65 114 1.0338 0.6788 0.0707
0.65 126 -0.3714 0.5581 0.0378
0.65 138 0.5334 0.5133 0.0446
0.65 150 -0.1555 0.4571 0.0315
0.65 162 0.5824 0.6226 0.0469
0.65 210 0.9383 0.5818 0.0654
0.65 222 0.6045 0.5063 0.048
0.65 234 -0.1279 0.4058 0.031
0.65 246 0.6567 0.4134 0.0505
0.65 258 -1.1389 0.5192 0.0766
0.75 126 -0.2306 0.5036 0.0332
0.75 138 -0.3242 0.4464 0.0361
0.75 150 0.019 0.534 0.03
0.75 162 -0.7888 0.5463 0.0573
0.75 198 1.1488 0.6584 0.0772
0.75 210 0.5101 0.6023 0.0436
0.75 222 -0.1619 0.4739 0.0316
0.75 234 0.3803 0.413 0.0381
0.75 246 0.0356 0.4074 0.0301
0.75 258 -0.1494 0.5274 0.0314
0.85 114 0.6954 0.625 0.0525
0.85 126 -0.6717 0.5848 0.0513
0.85 210 0.0692 0.6155 0.0303
0.85 222 0.5528 0.4341 0.0455
0.85 234 -0.0097 0.4134 0.03
0.85 246 0.4108 0.3953 0.0393
0.85 258 0.1134 0.4485 0.0308
0.85 270 0.0582 0.5788 0.0302
0.95 138 -1.1106 0.4932 0.075
0.95 234 0.3547 0.4467 0.0372
0.95 246 0.9022 0.5015 0.0634
0.35 54 -0.1437 0.9126 0.0312
0.45 18 1.2005 1.1377 0.0783
0.45 30 -0.1007 0.7137 0.0306
0.45 42 -0.1825 0.6659 0.032
0.45 246 -0.5423 0.7888 0.0443
0.55 30 1.1596 1.1454 0.076
0.55 42 0.6672 1.0089 0.0501
0.55 126 1.9384 1.4777 0.1205
0.55 138 -0.4204 0.7305 0.0393
0.55 150 -0.4657 0.797 0.0411
0.55 210 -0.3939 0.8296 0.0382
0.55 222 1.0496 0.9229 0.07
0.55 234 -0.4561 0.6051 0.0407
0.55 246 -0.1515 0.6142 0.0314
0.55 258 1.8771 1.2228 0.117
0.65 126 0.9745 1.2544 0.0659
0.65 138 -0.3549 0.6348 0.0368
0.65 150 -0.5606 0.7785 0.0452
0.65 210 -0.0399 0.7594 0.0301
0.65 222 0.6837 0.7397 0.0509
0.65 234 0.3538 0.625 0.0368
0.65 246 -0.2513 0.607 0.0336
0.65 258 -1.321 0.4353 0.085
0.75 126 -0.6953 0.6422 0.0515
0.75 138 -0.3609 0.6668 0.037
0.75 150 0.1793 0.8088 0.0319
0.75 162 2.1242 1.2806 0.1314
0.75 210 -0.5058 0.8019 0.0428
0.75 222 -0.0097 0.678 0.03
0.75 234 -0.2174 0.6111 0.0327
0.75 246 2.4811 2.4811 0.1524
0.75 258 0.0116 0.6101 0.03
0.85 126 -0.8958 0.6505 0.0617
0.85 138 -0.3034 0.8623 0.0351
0.85 150 -0.0974 1.0031 0.0306
0.85 210 0.3603 0.9424 0.037
0.85 222 0.2911 0.6588 0.0347
0.85 234 0.1372 0.6042 0.0311
0.85 246 1.2655 0.6994 0.0819
0.85 258 -0.0132 0.5875 0.03
0.95 126 -1.7569 0.2877 0.11
0.95 234 0.911 0.9214 0.0625
0.95 246 0.5559 0.7799 0.045