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Measurement E141M32

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: 1.685 GeV
Ebeam: 5.499 GeV
Publication:

Slice: cos(θ) =

Measurement data
cos(θ) φ, [degree] dσ/dΩ, [μb/rad] uncertainty
-0.9 15.0 0.8159 0.1155
-0.9 45.0 0.8034 0.1148
-0.9 75.0 0.7034 0.116
-0.9 105.0 0.5389 0.0887
-0.9 135.0 0.5018 0.1181
-0.9 165.0 0.4276 0.0905
-0.9 195.0 0.4653 0.1027
-0.9 225.0 0.555 0.1062
-0.9 255.0 0.5245 0.0953
-0.9 285.0 0.6292 0.1273
-0.9 315.0 0.8056 0.1135
-0.9 345.0 0.6607 0.1002
-0.7 15.0 0.5797 0.1013
-0.7 45.0 0.639 0.094
-0.7 75.0 0.683 0.1072
-0.7 105.0 0.5802 0.0849
-0.7 135.0 0.3262 0.0491
-0.7 165.0 0.3268 0.0481
-0.7 195.0 0.3416 0.0616
-0.7 225.0 0.384 0.0598
-0.7 255.0 0.5004 0.065
-0.7 285.0 0.578 0.0997
-0.7 315.0 0.6437 0.0832
-0.7 345.0 0.5148 0.0996
-0.5 15.0 0.5085 0.1282
-0.5 45.0 0.6497 0.0999
-0.5 75.0 0.7389 0.1054
-0.5 105.0 0.8161 0.0944
-0.5 135.0 0.6359 0.0788
-0.5 165.0 0.4716 0.0617
-0.5 195.0 0.4924 0.0613
-0.5 225.0 0.5592 0.0655
-0.5 255.0 0.8742 0.0957
-0.5 285.0 0.8071 0.1121
-0.5 315.0 0.7128 0.1309
-0.5 345.0 0.3782 0.0877
-0.3 15.0 0.4647 0.1028
-0.3 45.0 0.6911 0.1262
-0.3 75.0 0.8178 0.0999
-0.3 105.0 0.8988 0.0954
-0.3 135.0 0.8527 0.0936
-0.3 165.0 0.6907 0.0661
-0.3 195.0 0.6864 0.0667
-0.3 225.0 0.6916 0.0745
-0.3 255.0 0.8629 0.0909
-0.3 285.0 0.6991 0.0775
-0.1 15.0 0.4615 0.0965
-0.1 45.0 0.6743 0.1349
-0.1 75.0 0.9342 0.0999
-0.1 105.0 0.7738 0.0817
-0.1 135.0 0.7692 0.0929
-0.1 165.0 0.7823 0.0642
-0.1 195.0 0.722 0.0627
-0.1 225.0 0.7244 0.0779
-0.1 255.0 0.7994 0.0803
-0.1 285.0 0.8312 0.0954
0.1 15.0 0.5401 0.2393
0.1 45.0 0.7456 0.0925
0.1 75.0 1.0028 0.1043
0.1 105.0 0.914 0.0897
0.1 135.0 0.8596 0.0921
0.1 165.0 0.6045 0.054
0.1 195.0 0.5946 0.0539
0.1 225.0 0.8194 0.0869
0.1 255.0 1.002 0.0975
0.1 285.0 1.0661 0.1185
0.1 315.0 0.6628 0.1017
0.3 15.0 0.3974 0.0615
0.3 45.0 0.9951 0.0876
0.3 75.0 1.1848 0.0966
0.3 105.0 1.0638 0.0917
0.3 135.0 0.7405 0.0721
0.3 165.0 0.6384 0.049
0.3 195.0 0.654 0.0502
0.3 225.0 0.8447 0.0842
0.3 255.0 1.0701 0.099
0.3 285.0 1.1486 0.1228
0.3 315.0 1.0444 0.1092
0.3 345.0 0.8074 0.1564
0.5 15.0 0.3943 0.0525
0.5 45.0 0.7196 0.07
0.5 75.0 1.1351 0.102
0.5 105.0 1.2015 0.1294
0.5 135.0 0.9472 0.0915
0.5 165.0 0.5999 0.0523
0.5 195.0 0.4636 0.0418
0.5 225.0 0.8253 0.0858
0.5 255.0 1.2634 0.1591
0.5 285.0 1.2954 0.1456
0.5 315.0 0.8016 0.0896
0.5 345.0 0.3232 0.0519
0.7 15.0 0.4961 0.0441
0.7 45.0 1.0525 0.0934
0.7 75.0 1.2909 0.0988
0.7 105.0 1.58 0.1335
0.7 165.0 0.7912 0.0661
0.7 195.0 0.7767 0.0639
0.7 225.0 1.0184 0.101
0.7 255.0 1.378 0.1284
0.7 285.0 1.5889 0.1372
0.7 315.0 0.8732 0.0839
0.7 345.0 0.4681 0.0405
0.9 15.0 1.137 0.0889
0.9 45.0 1.0841 0.0848
0.9 75.0 1.1426 0.0871
0.9 105.0 1.2166 0.1039
0.9 135.0 1.1215 0.1111
0.9 165.0 1.1472 0.1143
0.9 195.0 1.0311 0.1028
0.9 225.0 1.173 0.111
0.9 255.0 1.2346 0.1029
0.9 285.0 1.178 0.0995
0.9 315.0 1.0865 0.0857
0.9 345.0 1.2397 0.0921
Created in SINP MSU, CLAS Collaboration