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Measurement E141M27

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: 2.2 GeV2
W: 1.635 GeV
Ebeam: 5.499 GeV
Publication:

Slice: cos(θ) =

Measurement data
cos(θ) φ, [degree] dσ/dΩ, [μb/rad] uncertainty
-0.9 15.0 0.7013 0.1214
-0.9 45.0 0.7836 0.1257
-0.9 75.0 0.7817 0.1382
-0.9 105.0 0.6238 0.1028
-0.9 135.0 0.5978 0.0995
-0.9 165.0 0.5083 0.0956
-0.9 195.0 0.4679 0.1393
-0.9 225.0 0.5977 0.1109
-0.9 255.0 0.4606 0.0765
-0.9 285.0 0.6289 0.1139
-0.9 315.0 0.7702 0.1112
-0.9 345.0 0.7044 0.1197
-0.7 15.0 0.749 0.1539
-0.7 45.0 0.8405 0.1202
-0.7 75.0 0.9711 0.1475
-0.7 105.0 0.7177 0.0871
-0.7 135.0 0.5695 0.0761
-0.7 165.0 0.5297 0.071
-0.7 195.0 0.591 0.0886
-0.7 225.0 0.7676 0.1044
-0.7 255.0 0.8312 0.1147
-0.7 285.0 0.9059 0.1398
-0.7 315.0 0.7719 0.1086
-0.7 345.0 0.6554 0.125
-0.5 15.0 0.5031 0.1268
-0.5 45.0 0.7741 0.113
-0.5 75.0 0.9419 0.1285
-0.5 105.0 1.1931 0.1264
-0.5 135.0 0.8462 0.1022
-0.5 165.0 0.6701 0.0838
-0.5 195.0 0.7095 0.0891
-0.5 225.0 0.8072 0.0985
-0.5 255.0 1.0057 0.1131
-0.5 285.0 0.949 0.1229
-0.5 315.0 0.7799 0.1284
-0.5 345.0 0.4974 0.1084
-0.3 15.0 0.5777 0.1474
-0.3 45.0 0.8916 0.1874
-0.3 75.0 0.7897 0.1008
-0.3 105.0 0.9117 0.1062
-0.3 135.0 0.9021 0.0945
-0.3 165.0 0.8002 0.0837
-0.3 195.0 0.7867 0.0824
-0.3 225.0 0.8473 0.0939
-0.3 255.0 0.9778 0.11
-0.3 285.0 0.7998 0.1023
-0.3 315.0 0.5929 0.134
-0.1 15.0 0.4409 0.1229
-0.1 45.0 0.8032 0.1511
-0.1 75.0 0.9793 0.1239
-0.1 105.0 0.7389 0.0851
-0.1 135.0 0.7239 0.0852
-0.1 165.0 0.7578 0.0744
-0.1 195.0 0.8305 0.0775
-0.1 225.0 0.7853 0.0883
-0.1 255.0 0.8557 0.0974
-0.1 285.0 0.9059 0.1188
0.1 15.0 0.4685 0.1385
0.1 45.0 0.7299 0.1046
0.1 75.0 0.8997 0.1036
0.1 105.0 0.7543 0.0827
0.1 135.0 0.7171 0.0903
0.1 165.0 0.6505 0.0647
0.1 195.0 0.6737 0.0644
0.1 225.0 0.6693 0.0776
0.1 255.0 0.8012 0.0893
0.1 285.0 0.9766 0.1356
0.1 315.0 0.7631 0.1442
0.3 15.0 0.4465 0.0718
0.3 45.0 0.9076 0.091
0.3 75.0 1.1136 0.1045
0.3 105.0 0.8215 0.0799
0.3 135.0 0.7367 0.0705
0.3 165.0 0.6822 0.0561
0.3 195.0 0.7216 0.0586
0.3 225.0 0.6862 0.0724
0.3 255.0 0.7043 0.0731
0.3 285.0 1.1567 0.1418
0.3 315.0 1.087 0.1284
0.3 345.0 0.6567 0.1135
0.5 15.0 0.3063 0.0471
0.5 45.0 0.8921 0.1011
0.5 75.0 1.2503 0.1276
0.5 105.0 1.1346 0.1241
0.5 135.0 0.7287 0.0806
0.5 165.0 0.6472 0.0623
0.5 195.0 0.5737 0.0567
0.5 225.0 0.6882 0.0744
0.5 255.0 1.1043 0.1462
0.5 285.0 1.2615 0.1703
0.5 315.0 0.9743 0.1404
0.5 345.0 0.4573 0.0789
0.7 15.0 0.418 0.0405
0.7 45.0 1.0106 0.1139
0.7 75.0 1.4005 0.1436
0.7 105.0 1.5526 0.1687
0.7 135.0 1.025 0.117
0.7 165.0 0.6346 0.0621
0.7 195.0 0.6903 0.0686
0.7 225.0 1.0918 0.1222
0.7 255.0 1.6431 0.201
0.7 285.0 1.5932 0.1955
0.7 315.0 1.1393 0.1426
0.7 345.0 0.4618 0.0448
0.9 15.0 1.233 0.1007
0.9 45.0 1.0955 0.095
0.9 75.0 1.0158 0.0895
0.9 105.0 1.1634 0.1091
0.9 135.0 1.0743 0.1108
0.9 165.0 1.081 0.1243
0.9 195.0 0.9821 0.1171
0.9 225.0 1.1317 0.1168
0.9 255.0 1.0726 0.105
0.9 285.0 1.0573 0.0946
0.9 315.0 1.2458 0.1056
0.9 345.0 1.2399 0.1048
Created in SINP MSU, CLAS Collaboration