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Measurement E141M35

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: 1.715 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 0.461 0.0816 0.0219
-0.9 45.0 0.4998 0.073 0.0193
-0.9 75.0 0.4596 0.0821 0.034
-0.9 105.0 0.3749 0.0798 0.0442
-0.9 135.0 0.277 0.0706 0.0503
-0.9 165.0 0.2269 0.0655 0.0472
-0.9 195.0 0.2573 0.0628 0.044
-0.9 225.0 0.2655 0.0516 0.0409
-0.9 255.0 0.3722 0.0659 0.0275
-0.9 285.0 0.4175 0.075 0.0337
-0.9 315.0 0.4669 0.0686 0.0193
-0.9 345.0 0.3973 0.0714 0.0181
-0.7 15.0 0.4276 0.0754 0.0192
-0.7 45.0 0.4172 0.0546 0.0214
-0.7 75.0 0.4024 0.0584 0.0183
-0.7 105.0 0.3484 0.0437 0.0132
-0.7 135.0 0.1744 0.0291 0.0058
-0.7 165.0 0.1819 0.0317 0.0216
-0.7 195.0 0.179 0.0267 0.0059
-0.7 225.0 0.1957 0.0301 0.0055
-0.7 255.0 0.2383 0.029 0.0143
-0.7 285.0 0.3265 0.0503 0.0147
-0.7 315.0 0.3764 0.0488 0.0143
-0.7 345.0 0.3615 0.0636 0.0339
-0.5 15.0 0.3934 0.0898 0.0113
-0.5 45.0 0.42 0.0681 0.0118
-0.5 75.0 0.4572 0.0637 0.0145
-0.5 105.0 0.5039 0.0571 0.0108
-0.5 135.0 0.4429 0.057 0.0043
-0.5 165.0 0.3119 0.0395 0.0072
-0.5 195.0 0.3264 0.0431 0.01
-0.5 225.0 0.3637 0.049 0.0114
-0.5 255.0 0.5445 0.0575 0.0211
-0.5 285.0 0.5242 0.0721 0.016
-0.5 315.0 0.4483 0.0724 0.0233
-0.5 345.0 0.2719 0.0729 0.0072
-0.3 15.0 0.3288 0.108 0.006
-0.3 45.0 0.5127 0.1036 0.0163
-0.3 75.0 0.6495 0.0769 0.0344
-0.3 105.0 0.6109 0.0648 0.0145
-0.3 135.0 0.5686 0.0653 0.0198
-0.3 165.0 0.4415 0.0481 0.0089
-0.3 195.0 0.4684 0.0474 0.0044
-0.3 225.0 0.4756 0.051 0.0078
-0.3 255.0 0.5878 0.056 0.0149
-0.3 285.0 0.5655 0.0684 0.018
-0.1 15.0 0.3623 0.084 0.0114
-0.1 45.0 0.6057 0.1175 0.0258
-0.1 75.0 0.8444 0.0881 0.0352
-0.1 105.0 0.7797 0.075 0.0375
-0.1 135.0 0.7015 0.0807 0.0304
-0.1 165.0 0.6751 0.0597 0.0144
-0.1 195.0 0.6199 0.0497 0.0142
-0.1 225.0 0.6467 0.0735 0.0312
-0.1 255.0 0.7015 0.067 0.0331
-0.1 285.0 0.7036 0.0856 0.0333
0.1 15.0 0.3591 0.1115 0.0202
0.1 45.0 0.6298 0.0793 0.0296
0.1 75.0 0.9962 0.1017 0.0544
0.1 105.0 0.8042 0.0822 0.0476
0.1 135.0 0.5688 0.062 0.0252
0.1 165.0 0.4823 0.044 0.0143
0.1 195.0 0.4637 0.0416 0.0164
0.1 225.0 0.676 0.072 0.0299
0.1 255.0 0.9191 0.0932 0.0542
0.1 285.0 0.9161 0.1066 0.0508
0.1 315.0 0.7691 0.1158 0.0385
0.3 15.0 0.2227 0.0357 0.0096
0.3 45.0 0.771 0.0722 0.0424
0.3 75.0 0.9437 0.0768 0.0544
0.3 105.0 0.8947 0.0825 0.0564
0.3 135.0 0.5649 0.0524 0.0302
0.3 165.0 0.4231 0.0316 0.0271
0.3 195.0 0.4414 0.0331 0.0235
0.3 225.0 0.6931 0.0654 0.0428
0.3 255.0 0.9022 0.0937 0.0522
0.3 285.0 0.8966 0.0893 0.0558
0.3 315.0 0.7844 0.084 0.0392
0.3 345.0 0.6308 0.1167 0.0311
0.5 15.0 0.392 0.0538 0.0169
0.5 45.0 0.5977 0.0617 0.0313
0.5 75.0 0.9996 0.0928 0.0642
0.5 105.0 1.0885 0.1218 0.0794
0.5 135.0 0.7331 0.0711 0.0628
0.5 165.0 0.5072 0.0435 0.037
0.5 195.0 0.3522 0.0314 0.0143
0.5 225.0 0.7295 0.0761 0.0427
0.5 255.0 1.0383 0.1273 0.0875
0.5 285.0 1.1205 0.124 0.0891
0.5 315.0 0.646 0.0695 0.0343
0.5 345.0 0.2779 0.0448 0.0119
0.7 15.0 0.437 0.0415 0.021
0.7 45.0 0.7642 0.0803 0.0472
0.7 75.0 0.9776 0.0844 0.0727
0.7 105.0 1.2462 0.1237 0.0899
0.7 165.0 0.6426 0.0621 0.0407
0.7 195.0 0.6798 0.0657 0.0448
0.7 225.0 0.791 0.0925 0.0549
0.7 255.0 1.0011 0.1188 0.0728
0.7 285.0 1.0811 0.1094 0.0702
0.7 315.0 0.5267 0.0624 0.0296
0.7 345.0 0.397 0.0363 0.0183
0.9 15.0 0.8807 0.0674 0.0226
0.9 45.0 0.867 0.0726 0.045
0.9 75.0 0.9318 0.0754 0.0481
0.9 105.0 1.0441 0.091 0.0586
0.9 135.0 0.9323 0.0916 0.0792
0.9 165.0 0.8862 0.0904 0.108
0.9 195.0 0.9027 0.0949 0.1036
0.9 225.0 0.9313 0.0861 0.0731
0.9 255.0 0.977 0.0861 0.0441
0.9 285.0 1.006 0.0863 0.0268
0.9 315.0 0.7711 0.0632 0.02
0.9 345.0 0.8694 0.0664 0.0267
Created in SINP MSU, CLAS Collaboration