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Measurement E141M33

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: 1.695 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 0.6969 0.1292 0.0284
-0.9 45.0 0.7165 0.1155 0.0352
-0.9 75.0 0.6188 0.1415 0.0985
-0.9 105.0 0.4732 0.0908 0.0498
-0.9 135.0 0.3538 0.0775 0.0525
-0.9 165.0 0.3183 0.0715 0.0869
-0.9 195.0 0.3779 0.0808 0.0977
-0.9 225.0 0.4067 0.0743 0.0515
-0.9 255.0 0.4945 0.0858 0.0464
-0.9 285.0 0.5523 0.1112 0.0676
-0.9 315.0 0.6759 0.1075 0.0395
-0.9 345.0 0.5437 0.0925 0.0227
-0.7 15.0 0.5855 0.1051 0.0297
-0.7 45.0 0.6021 0.0922 0.0274
-0.7 75.0 0.606 0.0995 0.0294
-0.7 105.0 0.4977 0.0672 0.0115
-0.7 135.0 0.25 0.0407 0.0123
-0.7 165.0 0.2585 0.0462 0.0218
-0.7 195.0 0.264 0.0444 0.019
-0.7 225.0 0.2921 0.0575 0.0205
-0.7 255.0 0.3775 0.0533 0.0068
-0.7 285.0 0.4836 0.0747 0.0122
-0.7 315.0 0.5774 0.0812 0.0223
-0.7 345.0 0.4944 0.0805 0.0169
-0.5 15.0 0.5248 0.1259 0.015
-0.5 45.0 0.5916 0.0883 0.0282
-0.5 75.0 0.6756 0.0933 0.0227
-0.5 105.0 0.7351 0.0915 0.0145
-0.5 135.0 0.6108 0.0737 0.0156
-0.5 165.0 0.4409 0.0554 0.0117
-0.5 195.0 0.4494 0.053 0.0136
-0.5 225.0 0.5095 0.0671 0.0084
-0.5 255.0 0.8111 0.0873 0.011
-0.5 285.0 0.7587 0.1057 0.0194
-0.5 315.0 0.6526 0.107 0.0252
-0.5 345.0 0.3594 0.0833 0.0402
-0.3 15.0 0.4607 0.1132 0.0101
-0.3 45.0 0.6757 0.1217 0.0087
-0.3 75.0 0.8122 0.1111 0.0228
-0.3 105.0 0.8082 0.0878 0.0234
-0.3 135.0 0.7738 0.0878 0.0153
-0.3 165.0 0.6201 0.0593 0.0138
-0.3 195.0 0.6577 0.0702 0.0153
-0.3 225.0 0.6368 0.0683 0.0157
-0.3 255.0 0.8135 0.0811 0.018
-0.3 285.0 0.7027 0.083 0.0103
-0.1 15.0 0.493 0.1016 0.0219
-0.1 45.0 0.7044 0.1175 0.0288
-0.1 75.0 0.948 0.1013 0.0248
-0.1 105.0 0.8141 0.0856 0.0237
-0.1 135.0 0.852 0.0954 0.0198
-0.1 165.0 0.8555 0.071 0.0155
-0.1 195.0 0.7683 0.0643 0.0212
-0.1 225.0 0.7755 0.0826 0.0264
-0.1 255.0 0.7259 0.0765 0.0205
-0.1 285.0 0.8071 0.0942 0.0224
0.1 15.0 0.4861 0.1256 0.0348
0.1 45.0 0.7009 0.0978 0.0292
0.1 75.0 1.029 0.1013 0.0393
0.1 105.0 0.94 0.0909 0.0328
0.1 135.0 0.7755 0.0829 0.0198
0.1 165.0 0.5878 0.0564 0.018
0.1 195.0 0.5531 0.0508 0.0217
0.1 225.0 0.791 0.0825 0.039
0.1 255.0 1.0232 0.1017 0.0362
0.1 285.0 1.0359 0.1178 0.041
0.1 315.0 0.6057 0.1037 0.0199
0.3 15.0 0.3392 0.0518 0.0095
0.3 45.0 0.9421 0.0833 0.0317
0.3 75.0 1.0941 0.0901 0.0464
0.3 105.0 1.0067 0.0906 0.0388
0.3 135.0 0.7036 0.0646 0.0259
0.3 165.0 0.5645 0.0433 0.0183
0.3 195.0 0.5751 0.0446 0.012
0.3 225.0 0.813 0.0836 0.0429
0.3 255.0 1.0855 0.1099 0.0603
0.3 285.0 1.0547 0.1109 0.0395
0.3 315.0 1.0326 0.1084 0.0343
0.3 345.0 0.8327 0.1522 0.0248
0.5 15.0 0.4641 0.0672 0.0174
0.5 45.0 0.7055 0.0708 0.0305
0.5 75.0 1.1402 0.1079 0.0446
0.5 105.0 1.1758 0.1302 0.0602
0.5 135.0 0.9176 0.0892 0.0543
0.5 165.0 0.6365 0.0545 0.0352
0.5 195.0 0.4429 0.0384 0.0162
0.5 225.0 0.8787 0.0887 0.0322
0.5 255.0 1.2078 0.1671 0.0468
0.5 285.0 1.3081 0.147 0.0659
0.5 315.0 0.7691 0.0904 0.0267
0.5 345.0 0.2898 0.0481 0.0074
0.7 15.0 0.5274 0.05 0.0148
0.7 45.0 1.0215 0.1016 0.0362
0.7 75.0 1.2452 0.1079 0.0519
0.7 105.0 1.4878 0.1429 0.0692
0.7 165.0 0.7513 0.0685 0.0448
0.7 195.0 0.7456 0.066 0.0375
0.7 225.0 0.8963 0.0939 0.0568
0.7 255.0 1.2071 0.1271 0.0617
0.7 285.0 1.4831 0.1386 0.078
0.7 315.0 0.6955 0.0804 0.0309
0.7 345.0 0.4686 0.0422 0.0199
0.9 15.0 1.106 0.0882 0.0188
0.9 45.0 1.0978 0.0847 0.0226
0.9 75.0 1.1684 0.0904 0.0433
0.9 105.0 1.2677 0.1083 0.0594
0.9 135.0 1.0935 0.101 0.0799
0.9 165.0 1.0774 0.099 0.1092
0.9 195.0 1.0085 0.0987 0.1166
0.9 225.0 1.1251 0.1021 0.0793
0.9 255.0 1.2256 0.1003 0.0603
0.9 285.0 1.2594 0.0974 0.0361
0.9 315.0 0.9971 0.0778 0.0177
0.9 345.0 1.1451 0.0845 0.0375
Created in SINP MSU, CLAS Collaboration