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Measurement E141M15

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: 1.745 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 0.3731 0.062 0.0319
-0.9 45.0 0.4393 0.0821 0.0534
-0.9 75.0 0.2967 0.062 0.0387
-0.9 105.0 0.3054 0.0549 0.032
-0.9 135.0 0.3109 0.0738 0.0442
-0.9 165.0 0.2057 0.0797 0.0768
-0.9 195.0 0.3142 0.1242 0.1694
-0.9 225.0 0.3535 0.0873 0.0516
-0.9 255.0 0.3053 0.0634 0.0387
-0.9 285.0 0.3843 0.0842 0.051
-0.9 315.0 0.2696 0.0447 0.023
-0.9 345.0 0.3275 0.0556 0.0267
-0.7 15.0 0.1966 0.0357 0.0089
-0.7 45.0 0.2525 0.0336 0.0096
-0.7 75.0 0.273 0.039 0.0095
-0.7 105.0 0.1497 0.019 0.0062
-0.7 135.0 0.1332 0.019 0.0063
-0.7 165.0 0.1292 0.0211 0.0067
-0.7 195.0 0.1218 0.0226 0.0113
-0.7 225.0 0.1452 0.0203 0.0048
-0.7 255.0 0.2092 0.0253 0.0082
-0.7 285.0 0.1765 0.026 0.009
-0.7 315.0 0.1879 0.0283 0.0061
-0.7 345.0 0.1787 0.034 0.0078
-0.5 15.0 0.2594 0.0502 0.0083
-0.5 45.0 0.3559 0.0482 0.0096
-0.5 75.0 0.3849 0.0493 0.0213
-0.5 105.0 0.3055 0.0305 0.0049
-0.5 135.0 0.3358 0.0438 0.0079
-0.5 165.0 0.2183 0.0277 0.0061
-0.5 195.0 0.2206 0.0264 0.0044
-0.5 225.0 0.3159 0.0373 0.0188
-0.5 255.0 0.2569 0.026 0.0098
-0.5 285.0 0.3188 0.0408 0.0085
-0.5 315.0 0.2899 0.0438 0.0111
-0.5 345.0 0.2456 0.0504 0.0089
-0.3 15.0 0.2272 0.0516 0.0069
-0.3 45.0 0.4072 0.0653 0.0155
-0.3 75.0 0.673 0.0742 0.027
-0.3 105.0 0.5706 0.0522 0.0263
-0.3 135.0 0.4261 0.0415 0.0155
-0.3 165.0 0.3009 0.0276 0.005
-0.3 195.0 0.3237 0.0308 0.0033
-0.3 225.0 0.3885 0.0467 0.0121
-0.3 255.0 0.525 0.0466 0.024
-0.3 285.0 0.4836 0.0486 0.0256
-0.3 315.0 0.6536 0.1105 0.0205
-0.1 15.0 0.3962 0.072 0.0201
-0.1 45.0 0.5131 0.0731 0.035
-0.1 75.0 0.9503 0.0899 0.0595
-0.1 105.0 0.9513 0.0839 0.0727
-0.1 135.0 0.6695 0.0717 0.0445
-0.1 165.0 0.4567 0.0351 0.0129
-0.1 195.0 0.4597 0.0374 0.0134
-0.1 225.0 0.6046 0.0661 0.0364
-0.1 255.0 0.6789 0.0608 0.052
-0.1 285.0 0.9284 0.0861 0.0633
0.1 15.0 0.2136 0.0571 0.0126
0.1 45.0 0.6883 0.0822 0.0485
0.1 75.0 1.1023 0.0939 0.0804
0.1 105.0 0.8631 0.0727 0.082
0.1 135.0 0.7514 0.0794 0.065
0.1 165.0 0.5174 0.0429 0.0254
0.1 195.0 0.497 0.039 0.0229
0.1 225.0 0.6396 0.0668 0.0518
0.1 255.0 0.7427 0.0656 0.068
0.1 285.0 0.9084 0.0872 0.0674
0.1 315.0 0.8217 0.1246 0.0507
0.1 345.0 0.1512 0.0366 0.008
0.3 15.0 0.2828 0.0483 0.0152
0.3 45.0 0.5931 0.045 0.0401
0.3 105.0 0.8443 0.0667 0.096
0.3 135.0 0.7128 0.0552 0.065
0.3 165.0 0.4232 0.0301 0.0226
0.3 195.0 0.5081 0.0372 0.0294
0.3 225.0 0.6294 0.0534 0.0581
0.3 255.0 0.8446 0.0697 0.0801
0.3 285.0 1.0831 0.0961 0.0869
0.3 315.0 0.4872 0.0424 0.0308
0.3 345.0 0.4477 0.1012 0.0239
0.5 15.0 0.2783 0.0376 0.0185
0.5 45.0 0.6153 0.0487 0.0458
0.5 75.0 1.3274 0.103 0.1163
0.5 105.0 1.3824 0.14 0.1403
0.5 135.0 0.8323 0.0742 0.084
0.5 165.0 0.5631 0.0428 0.0358
0.5 195.0 0.5424 0.042 0.0322
0.5 225.0 0.7069 0.0625 0.0678
0.5 255.0 1.1183 0.1271 0.1163
0.5 285.0 1.1001 0.1119 0.1036
0.5 315.0 0.6668 0.0597 0.049
0.5 345.0 0.2182 0.0338 0.0166
0.7 15.0 0.3131 0.0285 0.0148
0.7 45.0 0.5088 0.0472 0.0332
0.7 75.0 0.8765 0.0699 0.0742
0.7 105.0 1.3053 0.1303 0.1226
0.7 135.0 1.2983 0.129 0.1127
0.7 165.0 0.9067 0.0797 0.0464
0.7 195.0 0.8611 0.0748 0.0419
0.7 225.0 1.0902 0.1052 0.0926
0.7 255.0 1.2004 0.1369 0.1119
0.7 285.0 0.9511 0.0959 0.0806
0.7 345.0 0.3001 0.0283 0.0141
0.9 15.0 0.6608 0.0434 0.0216
0.9 45.0 0.6703 0.0459 0.0116
0.9 75.0 0.8367 0.0578 0.0212
0.9 105.0 0.8708 0.0641 0.0267
0.9 135.0 1.0312 0.0778 0.0376
0.9 165.0 1.2483 0.1027 0.0447
0.9 195.0 1.028 0.0813 0.0245
0.9 225.0 1.1225 0.0889 0.06
0.9 255.0 0.9427 0.0679 0.0204
0.9 285.0 0.8481 0.0582 0.0308
0.9 315.0 0.7064 0.05 0.0154
0.9 345.0 0.6579 0.043 0.0214
Created in SINP MSU, CLAS Collaboration