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Measurement E141M9

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: 1.685 GeV
Ebeam: 5.499 GeV
Publication:

Slice: cos(θ) =

Measurement data
cos(θ) φ, [degree] dσ/dΩ, [μb/rad] uncertainty
-0.9 15.0 0.906 0.1247
-0.9 45.0 0.9703 0.1211
-0.9 75.0 0.929 0.1602
-0.9 105.0 0.6702 0.1003
-0.9 135.0 0.7718 0.1273
-0.9 165.0 0.5336 0.1928
-0.9 195.0 0.7563 0.3288
-0.9 225.0 0.7362 0.1243
-0.9 255.0 0.6154 0.1013
-0.9 285.0 0.8791 0.1282
-0.9 315.0 0.9818 0.1254
-0.9 345.0 0.9763 0.1359
-0.7 15.0 0.8375 0.1294
-0.7 45.0 0.9926 0.1228
-0.7 75.0 1.0313 0.1417
-0.7 105.0 0.9131 0.1043
-0.7 135.0 0.4331 0.0584
-0.7 165.0 0.4484 0.0773
-0.7 195.0 0.4325 0.0667
-0.7 225.0 0.7031 0.0904
-0.7 255.0 0.962 0.1135
-0.7 285.0 0.9372 0.1249
-0.7 315.0 0.9782 0.1288
-0.7 345.0 0.9458 0.1388
-0.5 15.0 0.5829 0.1095
-0.5 45.0 0.8928 0.1179
-0.5 75.0 1.1668 0.1289
-0.5 105.0 1.2039 0.1131
-0.5 135.0 0.8405 0.0882
-0.5 165.0 0.6567 0.0756
-0.5 195.0 0.725 0.0755
-0.5 225.0 0.8941 0.0984
-0.5 255.0 1.213 0.1121
-0.5 285.0 1.0799 0.127
-0.5 315.0 0.7227 0.1064
-0.5 345.0 0.5441 0.1086
-0.3 15.0 0.4239 0.0932
-0.3 45.0 0.9643 0.1497
-0.3 75.0 1.3791 0.1398
-0.3 105.0 1.3087 0.1107
-0.3 135.0 0.9938 0.0954
-0.3 165.0 0.8613 0.0708
-0.3 195.0 0.7663 0.0679
-0.3 225.0 0.9228 0.0871
-0.3 255.0 1.2596 0.1087
-0.3 285.0 1.138 0.1128
-0.3 315.0 1.0601 0.1659
-0.3 345.0 0.2664 0.0602
-0.1 15.0 0.4069 0.0626
-0.1 45.0 0.978 0.1365
-0.1 75.0 1.4462 0.127
-0.1 105.0 1.3819 0.1218
-0.1 135.0 1.1897 0.1116
-0.1 165.0 1.1456 0.0814
-0.1 195.0 1.1031 0.0782
-0.1 225.0 1.1349 0.1053
-0.1 255.0 1.3564 0.1108
-0.1 285.0 1.1806 0.1101
0.1 15.0 0.4358 0.0899
0.1 45.0 1.0376 0.1121
0.1 75.0 1.6864 0.1315
0.1 105.0 1.6882 0.1312
0.1 135.0 1.2322 0.1162
0.1 165.0 1.0576 0.0791
0.1 195.0 1.1338 0.0799
0.1 225.0 1.3123 0.1239
0.1 255.0 1.3677 0.108
0.1 285.0 1.6401 0.1469
0.1 315.0 1.2033 0.1721
0.1 345.0 0.1404 0.0415
0.3 15.0 0.5236 0.0733
0.3 45.0 1.234 0.0852
0.3 75.0 2.1553 0.1434
0.3 105.0 1.6231 0.1152
0.3 135.0 1.4093 0.1055
0.3 165.0 0.9982 0.0687
0.3 195.0 0.9472 0.0649
0.3 225.0 1.4364 0.1146
0.3 255.0 1.6168 0.1196
0.3 285.0 1.9279 0.1583
0.3 315.0 1.3309 0.1059
0.3 345.0 0.7606 0.1183
0.5 15.0 0.5918 0.0706
0.5 45.0 1.0918 0.0788
0.5 75.0 2.1803 0.1535
0.5 105.0 2.2732 0.1927
0.5 135.0 1.2465 0.1015
0.5 165.0 1.0865 0.0755
0.5 195.0 1.022 0.0742
0.5 225.0 1.3482 0.1071
0.5 255.0 2.1453 0.2072
0.5 285.0 1.8587 0.1714
0.5 315.0 1.0874 0.0887
0.5 345.0 0.7595 0.1039
0.7 15.0 0.783 0.0621
0.7 45.0 1.3388 0.1095
0.7 75.0 2.5642 0.177
0.7 105.0 2.7154 0.252
0.7 135.0 1.8394 0.1506
0.7 165.0 1.0687 0.0812
0.7 195.0 1.1333 0.0843
0.7 225.0 1.7222 0.1407
0.7 255.0 2.5387 0.2384
0.7 285.0 2.4911 0.212
0.7 315.0 1.3254 0.1237
0.7 345.0 0.8792 0.069
0.9 15.0 1.1976 0.0739
0.9 45.0 1.3157 0.0815
0.9 75.0 1.5635 0.0961
0.9 105.0 1.7399 0.1183
0.9 135.0 1.5237 0.1148
0.9 165.0 1.4358 0.1157
0.9 195.0 1.3592 0.1054
0.9 225.0 1.5547 0.1133
0.9 255.0 1.9828 0.1359
0.9 285.0 1.6681 0.1053
0.9 315.0 1.4223 0.0882
0.9 345.0 1.2603 0.0779
Created in SINP MSU, CLAS Collaboration