CLAS Physics Database

JLab | Search | Overview | Login | Edit | Register

Measurement E151M1820

You are not logged in.

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: ALL,

Beam: e, polarization: longitudinal
Target: p (Z=1, A=1), polarization: longitudinal
Final state: π+n, polarization: none

Q2 : 0.0844 GeV2
W : 1475 GeV
ε : 0.8878
Ebeam : 1.9889 GeV
εL: 0.1387 

Select data slice:
cos(θπ+) =
Observable quantity measured (Y axis): ALL,
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 		ALL Stat. error Syst. error
0.25 66 0.334 0.6562 0.0362
0.25 78 -0.4891 0.6258 0.0422
0.25 282 -0.0175 0.6421 0.03
0.25 294 -1.0022 0.5932 0.0677
0.35 66 0.7413 0.5779 0.054
0.35 78 1.4032 0.4621 0.0902
0.35 90 0.2421 0.7299 0.0334
0.35 270 -0.337 0.6714 0.0363
0.35 282 -0.4704 0.4557 0.0414
0.35 294 0.0023 0.5567 0.03
0.35 306 -0.4931 0.8643 0.0423
0.45 66 -0.162 0.6009 0.0316
0.45 78 -1.0276 0.5402 0.0691
0.45 90 -0.2964 0.6582 0.035
0.45 102 -0.372 0.8975 0.0375
0.45 114 -0.1444 0.9247 0.0312
0.45 258 0.7776 0.7261 0.0559
0.45 270 -0.5172 0.5862 0.0434
0.45 282 -0.6723 0.4295 0.0506
0.45 294 0.9593 0.4761 0.0654
0.45 306 -1.182 0.6987 0.0777
0.55 66 -0.6266 0.6829 0.0484
0.55 78 0.9342 0.5389 0.0641
0.55 90 -1.183 0.6358 0.0777
0.55 102 1.2587 0.5999 0.082
0.55 114 -0.3623 0.6159 0.0372
0.55 126 0.2684 0.5481 0.0341
0.55 138 -0.5909 0.8604 0.0467
0.55 222 0.589 0.8147 0.0466
0.55 234 -0.4868 0.6959 0.0421
0.55 246 1.2366 0.7534 0.0807
0.55 258 0.0126 0.7193 0.03
0.55 270 -0.8176 0.4903 0.0579
0.55 282 -0.0217 0.515 0.03
0.55 294 -0.7447 0.7348 0.0542
0.65 54 1.3264 0.8172 0.0858
0.65 66 -0.1297 0.727 0.031
0.65 78 0.4943 0.8321 0.0424
0.65 90 -0.2819 0.7333 0.0345
0.65 102 -0.5696 0.6461 0.0457
0.65 114 0.4426 0.488 0.0402
0.65 126 0.4242 0.4927 0.0395
0.65 138 -0.5364 0.5963 0.0442
0.65 150 -0.0292 0.8019 0.0301
0.65 198 -2.0439 0.6145 0.1274
0.65 210 -0.0703 0.6412 0.0303
0.65 222 0.7279 0.5981 0.0533
0.65 234 -0.2265 0.5914 0.033
0.65 246 -0.0573 0.6102 0.0302
0.65 258 1.5525 0.6439 0.0987
0.65 270 -1.2128 0.5856 0.0794
0.65 282 -0.3051 0.7296 0.0352
0.65 294 -0.2253 0.5698 0.033
0.65 306 -0.1737 0.8079 0.0318
0.75 66 0.2445 0.7703 0.0335
0.75 78 -0.8946 0.7745 0.062
0.75 90 -1.0178 0.7685 0.0686
0.75 102 -0.8554 0.6224 0.0599
0.75 114 1.1764 0.4235 0.0773
0.75 126 -0.9717 0.5559 0.0661
0.75 138 -0.0169 0.5522 0.03
0.75 150 0.588 0.6341 0.0466
0.75 162 -0.4508 0.8011 0.0406
0.75 210 -0.9941 0.5326 0.0673
0.75 222 0.2551 0.5006 0.0337
0.75 234 0.2583 0.4606 0.0338
0.75 246 -0.2069 0.4717 0.0325
0.75 258 -0.0973 0.663 0.0306
0.75 282 0.1591 0.6907 0.0315
0.75 294 -0.3121 0.5505 0.0355
0.85 90 0.302 0.6072 0.0351
0.85 102 -0.8488 0.6807 0.0595
0.85 114 -0.7566 0.6153 0.0548
0.85 126 -0.2435 0.6336 0.0334
0.85 138 0.6162 0.6183 0.0479
0.85 150 -0.1467 0.7958 0.0313
0.85 198 1.3824 0.6292 0.089
0.85 210 -0.2211 0.595 0.0329
0.85 222 0.4995 0.5279 0.0426
0.85 234 1.2394 0.5118 0.0809
0.85 246 -0.1653 0.4853 0.0316
0.85 258 1.5405 0.4878 0.098
0.95 210 0.89 0.7173 0.0617
0.95 222 -0.4857 0.5684 0.042
0.95 234 0.2925 0.484 0.0348
0.95 246 0.8686 0.4983 0.0606
0.95 258 0.0352 0.5447 0.0301
0.95 270 0.268 0.735 0.0341