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Measurement E141M13

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: 1.8 GeV2
W: 1.725 GeV
Ebeam: 5.499 GeV
Publication:

Slice: cos(θ) =

Measurement data
cos(θ) φ, [degree] dσ/dΩ, [μb/rad] uncertainty syst. uncert.
-0.9 15.0 0.4932 0.0659 0.0253
-0.9 45.0 0.6114 0.0969 0.056
-0.9 75.0 0.4613 0.067 0.0383
-0.9 105.0 0.3948 0.0824 0.0613
-0.9 135.0 0.4253 0.0803 0.0616
-0.9 165.0 0.3398 0.1128 0.1323
-0.9 195.0 0.4161 0.1216 0.1471
-0.9 225.0 0.4253 0.0798 0.0449
-0.9 255.0 0.4263 0.0812 0.0719
-0.9 285.0 0.5307 0.0775 0.0459
-0.9 315.0 0.4959 0.0616 0.0185
-0.9 345.0 0.4869 0.0718 0.0376
-0.7 15.0 0.3832 0.0678 0.0183
-0.7 45.0 0.4764 0.0586 0.0175
-0.7 75.0 0.5143 0.0731 0.0201
-0.7 105.0 0.3799 0.0436 0.0171
-0.7 135.0 0.2123 0.0306 0.0125
-0.7 165.0 0.1955 0.0323 0.0114
-0.7 195.0 0.1838 0.0321 0.0149
-0.7 225.0 0.2969 0.0413 0.0114
-0.7 255.0 0.482 0.0539 0.0156
-0.7 285.0 0.4692 0.0683 0.0266
-0.7 315.0 0.4645 0.0524 0.0172
-0.7 345.0 0.4074 0.0593 0.0123
-0.5 15.0 0.3516 0.07 0.0115
-0.5 45.0 0.5155 0.069 0.0118
-0.5 75.0 0.6095 0.0675 0.0132
-0.5 105.0 0.5998 0.0539 0.0135
-0.5 135.0 0.5317 0.0547 0.0266
-0.5 165.0 0.3514 0.0374 0.0099
-0.5 195.0 0.3717 0.0396 0.0114
-0.5 225.0 0.521 0.0578 0.0059
-0.5 255.0 0.5318 0.0531 0.0106
-0.5 285.0 0.5712 0.0655 0.0137
-0.5 315.0 0.4044 0.0489 0.018
-0.5 345.0 0.3281 0.0755 0.0109
-0.3 15.0 0.2746 0.0533 0.0112
-0.3 45.0 0.6278 0.0939 0.0187
-0.3 75.0 0.9516 0.0973 0.0497
-0.3 105.0 0.8083 0.0712 0.024
-0.3 135.0 0.5991 0.0572 0.0201
-0.3 165.0 0.4745 0.0408 0.007
-0.3 195.0 0.4949 0.0446 0.0109
-0.3 225.0 0.5537 0.0547 0.0115
-0.3 255.0 0.8042 0.0707 0.0235
-0.3 285.0 0.6686 0.0696 0.0177
-0.3 315.0 0.8048 0.1268 0.0141
-0.1 15.0 0.4019 0.0677 0.0197
-0.1 45.0 0.7337 0.1023 0.0347
-0.1 75.0 1.1812 0.1098 0.0574
-0.1 105.0 1.1286 0.0966 0.0625
-0.1 135.0 0.9326 0.0922 0.05
-0.1 165.0 0.7158 0.0534 0.0162
-0.1 195.0 0.6621 0.0483 0.0136
-0.1 225.0 0.8021 0.0779 0.0346
-0.1 255.0 0.9493 0.0812 0.0519
-0.1 285.0 1.0402 0.0914 0.0498
0.1 15.0 0.267 0.063 0.0165
0.1 45.0 0.7877 0.0864 0.0442
0.1 75.0 1.3095 0.1075 0.0909
0.1 105.0 1.1593 0.0935 0.0845
0.1 135.0 0.9719 0.0997 0.0595
0.1 165.0 0.6804 0.0485 0.0199
0.1 195.0 0.6764 0.0493 0.0199
0.1 225.0 0.8886 0.0866 0.0558
0.1 255.0 0.9959 0.0819 0.071
0.1 285.0 1.1962 0.1103 0.0825
0.1 315.0 1.0127 0.1526 0.053
0.1 345.0 0.3096 0.0879 0.016
0.3 15.0 0.3346 0.052 0.0168
0.3 45.0 0.7893 0.0567 0.0487
0.3 105.0 1.1829 0.0869 0.0852
0.3 135.0 0.9745 0.0733 0.079
0.3 165.0 0.5667 0.0389 0.023
0.3 195.0 0.638 0.0443 0.0242
0.3 225.0 0.8939 0.0672 0.0645
0.3 255.0 1.1409 0.0848 0.0957
0.3 285.0 1.5251 0.1326 0.1079
0.3 315.0 0.7703 0.0637 0.0453
0.3 345.0 0.4961 0.1039 0.0269
0.5 15.0 0.3584 0.0439 0.0204
0.5 45.0 0.7571 0.056 0.0522
0.5 75.0 1.655 0.1226 0.1237
0.5 105.0 1.7013 0.1555 0.1369
0.5 135.0 0.9683 0.0822 0.0792
0.5 165.0 0.7165 0.0524 0.0357
0.5 195.0 0.67 0.0504 0.0481
0.5 225.0 0.8794 0.0753 0.0847
0.5 255.0 1.4925 0.163 0.1325
0.5 285.0 1.3586 0.1268 0.1206
0.5 315.0 0.7866 0.0666 0.0492
0.5 345.0 0.3743 0.0544 0.0235
0.7 15.0 0.45 0.0384 0.0233
0.7 45.0 0.7456 0.0656 0.0515
0.7 75.0 1.4843 0.1128 0.1067
0.7 105.0 1.7304 0.1676 0.1602
0.7 135.0 1.4301 0.1331 0.1147
0.7 165.0 0.9095 0.0748 0.0603
0.7 195.0 0.9164 0.0746 0.0633
0.7 225.0 1.2739 0.1189 0.105
0.7 255.0 1.5525 0.1692 0.1338
0.7 285.0 1.4224 0.1331 0.1097
0.7 315.0 0.6834 0.0644 0.0467
0.7 345.0 0.4704 0.0404 0.0231
0.9 15.0 0.8725 0.0538 0.0257
0.9 45.0 0.9339 0.0611 0.0254
0.9 75.0 1.1373 0.0735 0.0356
0.9 105.0 1.2057 0.0837 0.053
0.9 135.0 1.2618 0.094 0.0694
0.9 165.0 1.3616 0.1133 0.0936
0.9 195.0 1.1919 0.0971 0.0768
0.9 225.0 1.3074 0.0991 0.0677
0.9 255.0 1.3167 0.0926 0.0582
0.9 285.0 1.1954 0.0803 0.0323
0.9 315.0 1.0019 0.0647 0.0264
0.9 345.0 0.8856 0.0563 0.0208
Created in SINP MSU, CLAS Collaboration