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Measurement E141M80

Experiment: Measurement of ep→e′nπ+ at 1.6<W<2.0 GeV and extraction of nucleon resonance electrocoupling at CLAS
Year: 2014

Experiment comment:

polarization of electron beam : ~80%
Spokespersons: K. Park, V.D. Burkert, I.G. Aznauryan
Reaction: ep → π+n
Polarization: beam
Quantity: dσ/dΩ
Q2: 3.15 GeV2
W: 1.705 GeV
Ebeam: 5.499 GeV
Publication:

Slice: cos(θ) =

Measurement data
cos(θ) φ, [degree] dσ/dΩ, [μb/rad] uncertainty
-0.9 15.0 0.1597 0.0308
-0.9 45.0 0.2395 0.0562
-0.9 75.0 0.2495 0.0614
-0.9 105.0 0.1736 0.032
-0.9 135.0 0.1357 0.0351
-0.9 165.0 0.2198 0.0501
-0.9 195.0 0.1459 0.0368
-0.9 225.0 0.1515 0.0337
-0.9 255.0 0.1961 0.0404
-0.9 285.0 0.2354 0.0466
-0.9 315.0 0.2152 0.0409
-0.9 345.0 0.1284 0.0235
-0.7 15.0 0.048 0.0103
-0.7 45.0 0.2133 0.0366
-0.7 75.0 0.2005 0.0351
-0.7 105.0 0.1918 0.0272
-0.7 135.0 0.1682 0.0302
-0.7 165.0 0.1628 0.0282
-0.7 195.0 0.1737 0.0306
-0.7 225.0 0.1777 0.0296
-0.7 255.0 0.1826 0.0277
-0.7 285.0 0.1983 0.0367
-0.7 315.0 0.214 0.0387
-0.7 345.0 0.3195 0.0963
-0.5 15.0 0.148 0.0361
-0.5 45.0 0.2873 0.0617
-0.5 75.0 0.3449 0.0552
-0.5 105.0 0.3066 0.0476
-0.5 135.0 0.2541 0.0427
-0.5 165.0 0.2452 0.0372
-0.5 195.0 0.2237 0.0334
-0.5 225.0 0.3076 0.0426
-0.5 255.0 0.2821 0.0413
-0.5 285.0 0.2688 0.0419
-0.5 315.0 0.2724 0.0586
-0.3 15.0 0.1366 0.0294
-0.3 45.0 0.2031 0.045
-0.3 75.0 0.2447 0.0402
-0.3 105.0 0.3573 0.0513
-0.3 135.0 0.3185 0.0462
-0.3 165.0 0.246 0.0307
-0.3 195.0 0.1818 0.0235
-0.3 225.0 0.3121 0.0442
-0.3 255.0 0.3148 0.0427
-0.3 285.0 0.307 0.0507
-0.1 15.0 0.048 0.0134
-0.1 45.0 0.4181 0.0766
-0.1 75.0 0.5476 0.0751
-0.1 105.0 0.5884 0.0774
-0.1 135.0 0.4614 0.0596
-0.1 165.0 0.3015 0.0355
-0.1 195.0 0.2384 0.0283
-0.1 225.0 0.5023 0.0625
-0.1 255.0 0.4858 0.063
-0.1 285.0 0.5792 0.0957
-0.1 315.0 0.3221 0.0813
0.1 15.0 0.206 0.0796
0.1 45.0 0.4377 0.0695
0.1 75.0 0.7253 0.1014
0.1 105.0 0.4579 0.0631
0.1 135.0 0.2779 0.0375
0.1 165.0 0.2035 0.0239
0.1 195.0 0.1751 0.0216
0.1 225.0 0.2173 0.0298
0.1 255.0 0.5072 0.0786
0.1 285.0 0.7144 0.1182
0.1 315.0 0.3094 0.0598
0.3 15.0 0.3938 0.1101
0.3 45.0 0.4365 0.0552
0.3 75.0 0.4781 0.0507
0.3 105.0 0.4394 0.0537
0.3 135.0 0.2922 0.0348
0.3 165.0 0.1482 0.0145
0.3 195.0 0.1309 0.0127
0.3 225.0 0.2907 0.0406
0.3 255.0 0.3943 0.0596
0.3 285.0 0.5749 0.0798
0.3 315.0 0.5357 0.0813
0.3 345.0 0.2921 0.0912
0.5 15.0 0.3456 0.0813
0.5 45.0 0.3626 0.0551
0.5 75.0 0.5812 0.076
0.5 105.0 0.6058 0.0793
0.5 135.0 0.5259 0.0762
0.5 165.0 0.2466 0.0308
0.5 195.0 0.23 0.0264
0.5 225.0 0.4468 0.0845
0.5 255.0 0.6276 0.1081
0.5 285.0 0.3983 0.0603
0.5 315.0 0.4961 0.0964
0.5 345.0 0.4055 0.1223
0.7 15.0 0.3964 0.0606
0.7 45.0 0.4935 0.0698
0.7 75.0 0.6396 0.0947
0.7 105.0 0.7547 0.1037
0.7 135.0 0.8266 0.1385
0.7 165.0 0.6863 0.0913
0.7 195.0 0.558 0.0752
0.7 225.0 0.6273 0.1091
0.7 255.0 0.7726 0.1203
0.7 285.0 0.531 0.0821
0.7 315.0 0.3613 0.0687
0.7 345.0 0.2895 0.0411
0.9 15.0 0.6819 0.0684
0.9 45.0 0.569 0.0639
0.9 75.0 0.5825 0.0628
0.9 105.0 0.6449 0.0718
0.9 135.0 0.6594 0.0722
0.9 165.0 0.4672 0.0552
0.9 195.0 0.4545 0.0521
0.9 225.0 0.6125 0.0725
0.9 255.0 0.5797 0.0637
0.9 285.0 0.5894 0.0656
0.9 315.0 0.6744 0.076
0.9 345.0 0.6283 0.0718
Created in SINP MSU, CLAS Collaboration