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Measurement E141M52

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: 2.6 GeV2
W: 1.655 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 0.54 0.0977 0.0128
-0.9 45.0 0.6146 0.1293 0.0366
-0.9 75.0 0.5746 0.1241 0.0506
-0.9 105.0 0.4016 0.0683 0.0391
-0.9 135.0 0.4345 0.0871 0.0792
-0.9 165.0 0.4367 0.0804 0.0629
-0.9 195.0 0.4989 0.0996 0.0771
-0.9 225.0 0.4765 0.0965 0.0706
-0.9 255.0 0.4336 0.0818 0.041
-0.9 285.0 0.5574 0.1239 0.0338
-0.9 315.0 0.5093 0.0932 0.016
-0.9 345.0 0.4312 0.0675 0.008
-0.7 15.0 0.7179 0.1582 0.0179
-0.7 45.0 0.3771 0.0648 0.0113
-0.7 75.0 0.6494 0.116 0.0378
-0.7 105.0 0.6299 0.0924 0.077
-0.7 135.0 0.6318 0.1015 0.073
-0.7 165.0 0.4303 0.069 0.0407
-0.7 195.0 0.4123 0.0711 0.0395
-0.7 225.0 0.362 0.0626 0.0422
-0.7 255.0 0.5949 0.0854 0.0737
-0.7 285.0 0.5353 0.0966 0.0332
-0.7 315.0 0.5637 0.0921 0.0113
-0.7 345.0 0.5538 0.1394 0.0399
-0.5 45.0 0.6387 0.1158 0.0438
-0.5 75.0 0.6573 0.1225 0.0299
-0.5 105.0 0.5827 0.0752 0.0163
-0.5 135.0 0.597 0.0901 0.0509
-0.5 165.0 0.487 0.0672 0.0676
-0.5 195.0 0.3768 0.0534 0.0525
-0.5 225.0 0.4435 0.066 0.0363
-0.5 255.0 0.6669 0.0946 0.019
-0.5 285.0 0.6574 0.1151 0.0164
-0.5 315.0 0.5485 0.1002 0.0416
-0.3 15.0 0.2982 0.0855 0.0447
-0.3 45.0 0.5486 0.1437 0.0416
-0.3 75.0 0.4889 0.0738 0.0224
-0.3 105.0 0.5389 0.0708 0.0194
-0.3 135.0 0.6505 0.0872 0.0662
-0.3 165.0 0.5506 0.068 0.1046
-0.3 195.0 0.6503 0.0807 0.1188
-0.3 225.0 0.5928 0.0807 0.0593
-0.3 255.0 0.53 0.0727 0.0203
-0.3 285.0 0.6162 0.0978 0.0262
-0.1 15.0 0.3616 0.1321 0.0098
-0.1 45.0 0.6066 0.1358 0.017
-0.1 75.0 0.6403 0.0883 0.0078
-0.1 105.0 0.5596 0.074 0.0043
-0.1 135.0 0.6791 0.099 0.011
-0.1 165.0 0.6467 0.0696 0.0313
-0.1 195.0 0.652 0.0667 0.0319
-0.1 225.0 0.5958 0.0809 0.015
-0.1 255.0 0.5756 0.0708 0.0181
-0.1 285.0 0.6227 0.098 0.0117
-0.1 315.0 0.4989 0.1301 0.0112
0.1 15.0 0.4036 0.1621 0.0321
0.1 45.0 0.6097 0.0954 0.0138
0.1 75.0 0.7408 0.1133 0.0232
0.1 105.0 0.5872 0.0733 0.0051
0.1 135.0 0.673 0.0913 0.0054
0.1 165.0 0.6121 0.0682 0.0074
0.1 195.0 0.5982 0.0666 0.0155
0.1 225.0 0.7151 0.0838 0.007
0.1 255.0 0.6068 0.0786 0.0087
0.1 285.0 0.8183 0.1339 0.0283
0.1 315.0 0.5348 0.1129 0.008
0.3 15.0 0.5234 0.1225 0.0112
0.3 45.0 0.6257 0.0751 0.0096
0.3 75.0 0.8084 0.0943 0.0099
0.3 105.0 0.6599 0.0768 0.0095
0.3 135.0 0.6034 0.0699 0.0215
0.3 165.0 0.6205 0.0573 0.0233
0.3 195.0 0.5771 0.0547 0.0172
0.3 225.0 0.6665 0.0819 0.0177
0.3 255.0 0.7183 0.1057 0.0361
0.3 285.0 0.7708 0.1119 0.0193
0.3 315.0 0.619 0.0857 0.0114
0.5 15.0 0.6108 0.1161 0.0201
0.5 45.0 0.7991 0.1147 0.0412
0.5 75.0 0.9107 0.1115 0.0239
0.5 105.0 0.8527 0.12 0.0301
0.5 135.0 0.6472 0.0833 0.0312
0.5 165.0 0.5067 0.0549 0.0268
0.5 195.0 0.4563 0.0481 0.0108
0.5 225.0 0.7197 0.0985 0.0109
0.5 255.0 0.8136 0.1248 0.0449
0.5 285.0 0.8144 0.1104 0.0357
0.5 315.0 0.7576 0.1313 0.0074
0.5 345.0 0.3193 0.0688 0.0056
0.7 15.0 0.8021 0.0996 0.0109
0.7 45.0 1.0705 0.1367 0.0127
0.7 75.0 1.3477 0.1407 0.0419
0.7 105.0 1.1206 0.1455 0.031
0.7 135.0 1.179 0.1915 0.0481
0.7 165.0 0.7034 0.0861 0.0165
0.7 195.0 0.8187 0.1098 0.0268
0.7 225.0 1.0883 0.1605 0.0425
0.7 255.0 1.1276 0.1605 0.0319
0.7 285.0 1.2508 0.1601 0.047
0.7 315.0 0.8179 0.1155 0.0128
0.7 345.0 0.5268 0.0653 0.0084
0.9 15.0 0.8929 0.0926 0.0279
0.9 45.0 0.8722 0.0918 0.018
0.9 75.0 0.9906 0.0979 0.0229
0.9 105.0 0.8269 0.0925 0.0585
0.9 135.0 0.7426 0.0918 0.025
0.9 165.0 0.6792 0.0865 0.0131
0.9 195.0 0.6891 0.0915 0.0457
0.9 225.0 0.8072 0.0978 0.032
0.9 255.0 0.6922 0.0803 0.012
0.9 285.0 0.9924 0.1008 0.035
0.9 315.0 0.8683 0.0887 0.0193
0.9 345.0 0.9638 0.104 0.0251
Created in SINP MSU, CLAS Collaboration