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Measurement E141M30

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: 1.665 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 1.0539 0.1637 0.0288
-0.9 45.0 0.9772 0.1363 0.0287
-0.9 75.0 0.8728 0.1364 0.0812
-0.9 105.0 0.6703 0.1215 0.0813
-0.9 135.0 0.7977 0.2526 0.1366
-0.9 165.0 0.5873 0.1751 0.1437
-0.9 195.0 0.64 0.1257 0.1262
-0.9 225.0 0.8515 0.1364 0.1813
-0.9 255.0 0.5847 0.0962 0.0539
-0.9 285.0 0.783 0.1258 0.0524
-0.9 315.0 1.0649 0.1462 0.0324
-0.9 345.0 0.8947 0.1388 0.0252
-0.7 15.0 0.5682 0.0932 0.0166
-0.7 45.0 0.7128 0.0975 0.0261
-0.7 75.0 0.8371 0.1239 0.0357
-0.7 105.0 0.7451 0.0915 0.082
-0.7 135.0 0.4787 0.0725 0.0615
-0.7 165.0 0.4636 0.0666 0.0576
-0.7 195.0 0.4968 0.065 0.0598
-0.7 225.0 0.5677 0.0838 0.0707
-0.7 255.0 0.7463 0.0905 0.0798
-0.7 285.0 0.7668 0.1182 0.0271
-0.7 315.0 0.7764 0.1017 0.0153
-0.7 345.0 0.5556 0.0934 0.0208
-0.5 45.0 0.7659 0.1244 0.0543
-0.5 75.0 0.8653 0.1325 0.0413
-0.5 105.0 0.978 0.1096 0.0504
-0.5 135.0 0.6859 0.0847 0.0471
-0.5 165.0 0.5329 0.0641 0.0448
-0.5 195.0 0.5783 0.0745 0.0492
-0.5 225.0 0.6588 0.085 0.0449
-0.5 255.0 1.0004 0.1086 0.0515
-0.5 285.0 0.9037 0.1288 0.0405
-0.5 315.0 0.8331 0.1344 0.0433
-0.5 345.0 0.0969 0.0251 0.0077
-0.3 15.0 0.4728 0.1487 0.0132
-0.3 45.0 0.7218 0.1445 0.026
-0.3 75.0 0.8288 0.104 0.0309
-0.3 105.0 1.0798 0.117 0.0565
-0.3 135.0 1.0106 0.115 0.0863
-0.3 165.0 0.8321 0.0844 0.1085
-0.3 195.0 0.7437 0.0715 0.0978
-0.3 225.0 0.8012 0.0846 0.0684
-0.3 255.0 0.9617 0.0954 0.0501
-0.3 285.0 0.6917 0.0867 0.0238
-0.1 15.0 0.3985 0.0982 0.0144
-0.1 45.0 0.614 0.122 0.0281
-0.1 75.0 0.9067 0.1014 0.0176
-0.1 105.0 0.6932 0.0697 0.014
-0.1 135.0 0.6038 0.071 0.015
-0.1 165.0 0.6358 0.0593 0.0246
-0.1 195.0 0.6293 0.0539 0.0243
-0.1 225.0 0.6222 0.072 0.0157
-0.1 255.0 0.9466 0.0918 0.0079
-0.1 285.0 0.8794 0.1146 0.0323
0.1 15.0 0.6482 0.3216 0.0966
0.1 45.0 0.835 0.1043 0.0267
0.1 75.0 0.9505 0.0991 0.0084
0.1 105.0 0.862 0.0856 0.017
0.1 135.0 1.0278 0.1128 0.0252
0.1 165.0 0.6379 0.0588 0.0113
0.1 195.0 0.6778 0.0604 0.0315
0.1 225.0 0.8762 0.0927 0.0071
0.1 255.0 0.9595 0.0967 0.0461
0.1 285.0 1.1264 0.1383 0.0092
0.1 315.0 0.777 0.1425 0.0116
0.3 15.0 0.5137 0.0777 0.0058
0.3 45.0 1.1012 0.0957 0.0091
0.3 75.0 1.3663 0.1162 0.015
0.3 105.0 1.1781 0.1013 0.0278
0.3 135.0 0.8144 0.076 0.0056
0.3 165.0 0.7862 0.0602 0.0102
0.3 195.0 0.8117 0.0621 0.0024
0.3 225.0 0.9082 0.085 0.0381
0.3 255.0 1.0394 0.1079 0.0409
0.3 285.0 1.3364 0.1401 0.0225
0.3 315.0 1.068 0.1196 0.0079
0.3 345.0 0.757 0.1431 0.0081
0.5 15.0 0.2546 0.0363 0.0039
0.5 45.0 0.7479 0.0792 0.005
0.5 75.0 1.1251 0.1084 0.0324
0.5 105.0 1.2529 0.1417 0.0248
0.5 135.0 1.0063 0.1021 0.0215
0.5 165.0 0.5266 0.0477 0.0076
0.5 195.0 0.505 0.0456 0.0058
0.5 225.0 0.7183 0.0739 0.0255
0.5 255.0 1.3745 0.1668 0.0435
0.5 285.0 1.27 0.1513 0.0194
0.5 315.0 0.8667 0.1079 0.0319
0.5 345.0 0.3901 0.0628 0.0062
0.7 15.0 0.4333 0.0399 0.0087
0.7 45.0 1.1143 0.1207 0.0265
0.7 75.0 1.3823 0.1297 0.0512
0.7 105.0 1.7645 0.1881 0.0659
0.7 135.0 1.0197 0.1173 0.062
0.7 165.0 0.871 0.0796 0.0397
0.7 195.0 0.8388 0.077 0.0393
0.7 225.0 1.2625 0.1433 0.0317
0.7 255.0 1.7198 0.2049 0.0811
0.7 285.0 1.8006 0.1948 0.0872
0.7 315.0 1.2286 0.1446 0.0266
0.7 345.0 0.4672 0.0437 0.0046
0.9 15.0 1.199 0.0954 0.0319
0.9 45.0 1.0567 0.0823 0.0448
0.9 75.0 1.0911 0.0911 0.0416
0.9 105.0 1.1144 0.0996 0.0465
0.9 135.0 1.1777 0.1197 0.037
0.9 165.0 1.2869 0.1414 0.0449
0.9 195.0 1.0764 0.1206 0.0694
0.9 225.0 1.2689 0.1206 0.0344
0.9 255.0 1.2527 0.1109 0.0538
0.9 285.0 1.0153 0.0836 0.0236
0.9 315.0 1.2654 0.1005 0.0346
0.9 345.0 1.4288 0.1102 0.0286
Created in SINP MSU, CLAS Collaboration