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Measurement E141M87

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: 1.775 GeV
Ebeam: 5.499 GeV
Publication:

Slice: cos(θ) =

Measurement data
cos(θ) φ, [degree] dσ/dΩ, [μb/rad] uncertainty syst. uncert.
-0.9 135.0 0.0503 0.047 0.0124
-0.9 165.0 0.0625 0.0762 0.0215
-0.9 225.0 0.0757 0.0346 0.0139
-0.9 255.0 1.0119 0.5778 0.1347
-0.9 285.0 0.4158 0.4159 0.1331
-0.7 45.0 0.1233 0.1544 0.0455
-0.7 105.0 0.0397 0.0179 0.0049
-0.7 135.0 0.049 0.038 0.0116
-0.7 165.0 0.0594 0.0242 0.0144
-0.7 195.0 0.0502 0.0169 0.0083
-0.7 225.0 0.0675 0.0233 0.0072
-0.7 255.0 0.0578 0.0252 0.0065
-0.7 315.0 0.1106 0.0315 0.0089
-0.7 345.0 0.267 0.3626 0.1423
-0.5 75.0 0.0489 0.0133 0.0031
-0.5 105.0 0.0597 0.0147 0.0041
-0.5 135.0 0.0442 0.0121 0.0031
-0.5 165.0 0.054 0.0165 0.0041
-0.5 195.0 0.0447 0.0149 0.0053
-0.5 225.0 0.0454 0.0118 0.0026
-0.5 255.0 0.0466 0.0109 0.0029
-0.5 285.0 0.0599 0.0177 0.0066
-0.3 15.0 0.0287 0.0127 0.0017
-0.3 45.0 0.0821 0.0256 0.0057
-0.3 75.0 0.0933 0.0201 0.0076
-0.3 105.0 0.0987 0.0187 0.008
-0.3 135.0 0.0792 0.0178 0.0081
-0.3 165.0 0.0774 0.0158 0.0056
-0.3 195.0 0.0632 0.0107 0.0045
-0.3 225.0 0.0714 0.0142 0.0057
-0.3 255.0 0.0997 0.019 0.009
-0.3 285.0 0.0975 0.0236 0.0069
-0.1 45.0 0.1039 0.0325 0.0131
-0.1 75.0 0.1541 0.0335 0.0148
-0.1 105.0 0.1347 0.0226 0.0154
-0.1 135.0 0.1559 0.0287 0.0147
-0.1 165.0 0.0805 0.0148 0.0069
-0.1 195.0 0.1464 0.0205 0.0142
-0.1 225.0 0.1328 0.0237 0.0123
-0.1 255.0 0.1503 0.0267 0.0155
-0.1 285.0 0.1811 0.0429 0.0146
0.1 15.0 0.2525 0.2098 0.0119
0.1 45.0 0.1413 0.0298 0.0132
0.1 75.0 0.1704 0.0272 0.0148
0.1 105.0 0.1566 0.0284 0.017
0.1 135.0 0.1035 0.0184 0.0091
0.1 165.0 0.0875 0.012 0.0072
0.1 195.0 0.0696 0.0104 0.0109
0.1 225.0 0.0751 0.0152 0.017
0.1 255.0 0.1029 0.0252 0.0109
0.1 285.0 0.1362 0.0318 0.0116
0.1 315.0 0.1368 0.0392 0.0086
0.3 15.0 0.0573 0.0211 0.0041
0.3 45.0 0.1817 0.0327 0.0118
0.3 75.0 0.2281 0.0318 0.0208
0.3 105.0 0.2895 0.0555 0.0499
0.3 135.0 0.1804 0.0314 0.0157
0.3 165.0 0.0681 0.0079 0.0066
0.3 195.0 0.0769 0.009 0.0068
0.3 225.0 0.1582 0.026 0.0129
0.3 255.0 0.367 0.085 0.0561
0.3 285.0 0.2399 0.0454 0.0222
0.3 315.0 0.1928 0.0396 0.0126
0.3 345.0 0.3676 0.4077 0.0796
0.5 15.0 0.1748 0.0549 0.0906
0.5 45.0 0.1586 0.0295 0.0174
0.5 75.0 0.2621 0.0393 0.0257
0.5 105.0 0.3331 0.058 0.0388
0.5 135.0 0.3242 0.0576 0.0248
0.5 165.0 0.1905 0.0312 0.0227
0.5 195.0 0.229 0.0324 0.0153
0.5 225.0 0.3235 0.0738 0.0243
0.5 255.0 0.2845 0.054 0.0301
0.5 285.0 0.1782 0.04 0.02
0.5 315.0 0.1513 0.0361 0.0116
0.5 345.0 0.1696 0.0612 0.012
0.7 15.0 0.101 0.0207 0.0076
0.7 45.0 0.3397 0.0697 0.0258
0.7 75.0 0.396 0.0566 0.0325
0.7 105.0 0.4054 0.0682 0.0332
0.7 135.0 0.3289 0.0696 0.0265
0.7 165.0 0.3179 0.0531 0.0226
0.7 195.0 0.3234 0.0624 0.0258
0.7 225.0 0.3212 0.0612 0.0246
0.7 255.0 0.2841 0.0537 0.0246
0.7 285.0 0.3194 0.059 0.0214
0.7 315.0 0.3559 0.0809 0.0228
0.7 345.0 0.1679 0.0406 0.0084
0.9 15.0 0.3375 0.0435 0.0128
0.9 45.0 0.3263 0.0393 0.0183
0.9 75.0 0.2845 0.0382 0.0079
0.9 105.0 0.2898 0.0403 0.0097
0.9 135.0 0.3098 0.0399 0.0073
0.9 165.0 0.2948 0.0389 0.0294
0.9 195.0 0.3009 0.0381 0.0301
0.9 225.0 0.3278 0.0436 0.0204
0.9 255.0 0.3688 0.0485 0.0106
0.9 285.0 0.235 0.0333 0.019
0.9 315.0 0.2563 0.0335 0.0078
0.9 345.0 0.3272 0.0395 0.005
Created in SINP MSU, CLAS Collaboration