CLAS Physics Database

Measurement E141M56

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: 2.6 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 0.3988 0.0804 0.0222
-0.9 45.0 0.5082 0.0933 0.0312
-0.9 75.0 0.6075 0.1206 0.0659
-0.9 105.0 0.5375 0.1122 0.0839
-0.9 135.0 0.4586 0.096 0.0562
-0.9 165.0 0.3591 0.0835 0.0655
-0.9 195.0 0.3675 0.0806 0.0879
-0.9 225.0 0.3602 0.0783 0.0462
-0.9 255.0 0.3989 0.0821 0.0367
-0.9 285.0 0.4273 0.0976 0.0459
-0.9 315.0 0.4137 0.0878 0.0592
-0.9 345.0 0.4016 0.1047 0.0289
-0.7 15.0 0.4344 0.0838 0.027
-0.7 45.0 0.4731 0.0795 0.0256
-0.7 75.0 0.4463 0.0824 0.0297
-0.7 105.0 0.3353 0.055 0.0104
-0.7 135.0 0.2958 0.054 0.0138
-0.7 165.0 0.2269 0.0403 0.0078
-0.7 195.0 0.3025 0.0576 0.0213
-0.7 225.0 0.356 0.0659 0.0097
-0.7 255.0 0.4469 0.069 0.0091
-0.7 285.0 0.3956 0.0792 0.022
-0.7 315.0 0.4552 0.0788 0.0205
-0.7 345.0 0.3697 0.0794 0.0194
-0.5 15.0 0.3086 0.0958 0.0464
-0.5 45.0 0.4633 0.1092 0.0239
-0.5 75.0 0.4213 0.0642 0.0132
-0.5 105.0 0.513 0.0689 0.0111
-0.5 135.0 0.4728 0.0709 0.0127
-0.5 165.0 0.4029 0.0564 0.0234
-0.5 195.0 0.4249 0.0594 0.0343
-0.5 225.0 0.3877 0.0573 0.0103
-0.5 255.0 0.5954 0.0827 0.0062
-0.5 285.0 0.5401 0.0822 0.0143
-0.5 315.0 0.296 0.0703 0.0229
-0.3 15.0 0.3574 0.0727 0.0053
-0.3 45.0 0.4461 0.1082 0.0143
-0.3 75.0 0.577 0.0785 0.0086
-0.3 105.0 0.5896 0.0769 0.0095
-0.3 135.0 0.5563 0.0722 0.0135
-0.3 165.0 0.5375 0.0626 0.0323
-0.3 195.0 0.5683 0.0594 0.0305
-0.3 225.0 0.5475 0.0638 0.0214
-0.3 255.0 0.5331 0.0641 0.0137
-0.3 285.0 0.6187 0.1016 0.0211
-0.3 315.0 0.4189 0.1126 0.0184
-0.1 15.0 0.2645 0.0695 0.0225
-0.1 45.0 0.5884 0.1187 0.017
-0.1 75.0 0.7293 0.0992 0.0186
-0.1 105.0 0.7235 0.0921 0.0242
-0.1 135.0 0.6768 0.0896 0.0159
-0.1 165.0 0.4433 0.0495 0.0113
-0.1 195.0 0.5002 0.0548 0.0442
-0.1 225.0 0.4937 0.0616 0.0117
-0.1 255.0 0.669 0.0766 0.0172
-0.1 285.0 0.6439 0.0923 0.0188
-0.1 315.0 0.495 0.1467 0.015
0.1 15.0 2.153 1.0668 0.0965
0.1 45.0 0.5487 0.0876 0.021
0.1 75.0 0.8414 0.0995 0.0282
0.1 105.0 0.5792 0.0666 0.0175
0.1 135.0 0.5899 0.0725 0.0138
0.1 165.0 0.4633 0.0467 0.0096
0.1 195.0 0.5027 0.0558 0.0096
0.1 225.0 0.7215 0.0868 0.0168
0.1 255.0 0.6044 0.0799 0.0182
0.1 285.0 0.764 0.1247 0.0248
0.1 315.0 0.5797 0.1024 0.0172
0.3 15.0 0.3886 0.0681 0.017
0.3 45.0 0.5888 0.0657 0.0167
0.3 75.0 0.9004 0.0932 0.0354
0.3 105.0 0.9063 0.1007 0.0367
0.3 135.0 0.6621 0.0768 0.0438
0.3 165.0 0.4913 0.0453 0.0113
0.3 195.0 0.5453 0.0464 0.0417
0.3 225.0 0.4997 0.065 0.0135
0.3 255.0 0.679 0.0848 0.0352
0.3 285.0 0.8437 0.1072 0.036
0.3 315.0 0.6601 0.0788 0.0237
0.3 345.0 0.3752 0.0857 0.0105
0.5 15.0 0.4264 0.0798 0.0176
0.5 45.0 0.6774 0.0927 0.0319
0.5 75.0 0.8367 0.0931 0.0329
0.5 105.0 1.1171 0.1396 0.0443
0.5 135.0 0.5575 0.0754 0.0147
0.5 165.0 0.3582 0.0356 0.0106
0.5 195.0 0.3416 0.035 0.0177
0.5 225.0 0.505 0.072 0.024
0.5 255.0 0.9372 0.1519 0.0292
0.5 285.0 1.0129 0.1298 0.0383
0.5 315.0 0.5018 0.09 0.015
0.5 345.0 0.4143 0.1001 0.0136
0.7 15.0 0.6364 0.0764 0.0178
0.7 45.0 0.7327 0.0913 0.0414
0.7 75.0 1.0901 0.118 0.0502
0.7 105.0 1.1548 0.1434 0.0664
0.7 135.0 1.0141 0.1332 0.0835
0.7 165.0 0.7721 0.0925 0.0395
0.7 195.0 0.6182 0.0774 0.0315
0.7 225.0 0.8586 0.13 0.0476
0.7 255.0 0.9293 0.131 0.0583
0.7 285.0 0.9948 0.1274 0.0766
0.7 315.0 0.6633 0.0988 0.0256
0.7 345.0 0.4408 0.0489 0.0162
0.9 15.0 1.0694 0.1006 0.0256
0.9 45.0 0.5828 0.0598 0.0102
0.9 75.0 0.7211 0.0723 0.0252
0.9 105.0 0.8057 0.0815 0.051
0.9 135.0 0.7098 0.0817 0.057
0.9 165.0 0.9689 0.1116 0.0922
0.9 195.0 0.9206 0.1031 0.0838
0.9 225.0 0.9332 0.1024 0.0636
0.9 255.0 0.7191 0.0709 0.0276
0.9 285.0 0.8809 0.0877 0.0362
0.9 315.0 0.6414 0.0673 0.0206
0.9 345.0 1.0635 0.1049 0.0178