CLAS Physics Database

Measurement E141M49

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: 1.625 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 0.4197 0.0907 0.0172
-0.9 45.0 0.4087 0.0762 0.0184
-0.9 75.0 0.4966 0.104 0.0403
-0.9 105.0 0.3882 0.0898 0.0554
-0.9 135.0 0.3969 0.0872 0.0627
-0.9 165.0 0.3424 0.0706 0.0564
-0.9 195.0 0.3672 0.1499 0.1636
-0.9 225.0 0.4594 0.0912 0.0741
-0.9 255.0 0.3786 0.0852 0.0463
-0.9 285.0 0.3657 0.0783 0.0296
-0.9 315.0 0.5779 0.1045 0.0225
-0.9 345.0 0.372 0.0843 0.0137
-0.7 75.0 0.5761 0.1137 0.0457
-0.7 105.0 0.544 0.0799 0.0543
-0.7 135.0 0.5587 0.0935 0.0474
-0.7 165.0 0.5076 0.0812 0.0384
-0.7 195.0 0.5415 0.0814 0.0427
-0.7 225.0 0.4806 0.0759 0.0415
-0.7 255.0 0.65 0.0996 0.0651
-0.7 285.0 0.5786 0.1086 0.0451
-0.7 315.0 0.4431 0.0804 0.008
-0.7 345.0 0.3937 0.1055 0.0097
-0.5 45.0 0.9027 0.1995 0.0326
-0.5 75.0 0.7271 0.1205 0.0324
-0.5 105.0 0.6691 0.0845 0.0295
-0.5 135.0 0.5596 0.0799 0.0439
-0.5 165.0 0.5707 0.0809 0.0488
-0.5 195.0 0.5562 0.0735 0.0514
-0.5 225.0 0.5334 0.0796 0.039
-0.5 255.0 0.7567 0.0989 0.0411
-0.5 285.0 1.1704 0.1946 0.0227
-0.5 315.0 0.8083 0.195 0.0255
-0.3 15.0 0.3137 0.0772 0.0187
-0.3 45.0 0.5343 0.13 0.0275
-0.3 75.0 0.4781 0.0671 0.0216
-0.3 105.0 0.5437 0.0821 0.0403
-0.3 135.0 0.4916 0.0689 0.0674
-0.3 165.0 0.4634 0.057 0.0841
-0.3 195.0 0.477 0.0595 0.0867
-0.3 225.0 0.4806 0.0698 0.0705
-0.3 255.0 0.7503 0.1037 0.0567
-0.3 285.0 0.6552 0.1026 0.03
-0.1 15.0 0.0847 0.0272 0.0004
-0.1 45.0 0.5205 0.11 0.011
-0.1 75.0 0.628 0.0996 0.0078
-0.1 105.0 0.6338 0.0954 0.0082
-0.1 135.0 0.5735 0.0767 0.0407
-0.1 165.0 0.6933 0.0822 0.091
-0.1 195.0 0.5847 0.0679 0.0793
-0.1 225.0 0.5971 0.0827 0.0423
-0.1 255.0 0.5128 0.0682 0.0212
-0.1 285.0 0.5237 0.0828 0.0173
-0.1 315.0 0.6001 0.1584 0.0091
0.1 15.0 0.2662 0.1282 0.0114
0.1 45.0 0.6697 0.1159 0.0275
0.1 75.0 0.5341 0.0777 0.0157
0.1 105.0 0.503 0.073 0.016
0.1 135.0 0.4658 0.0715 0.0078
0.1 165.0 0.4617 0.0574 0.0238
0.1 195.0 0.5055 0.0615 0.0263
0.1 225.0 0.514 0.0701 0.0041
0.1 255.0 0.568 0.0904 0.0131
0.1 285.0 0.6886 0.1407 0.0311
0.1 315.0 0.4892 0.0925 0.0169
0.3 15.0 0.4543 0.1113 0.0243
0.3 45.0 0.5833 0.0834 0.0202
0.3 75.0 0.7097 0.0974 0.034
0.3 105.0 0.6579 0.084 0.0382
0.3 135.0 0.4424 0.0552 0.0226
0.3 165.0 0.4954 0.0503 0.0133
0.3 195.0 0.4249 0.0451 0.0187
0.3 225.0 0.4456 0.0555 0.0113
0.3 255.0 0.5724 0.0863 0.0135
0.3 285.0 0.7291 0.1327 0.0211
0.3 315.0 0.6901 0.1136 0.0237
0.3 345.0 0.4092 0.1187 0.0154
0.5 15.0 0.4812 0.1035 0.0187
0.5 45.0 0.7557 0.1193 0.0151
0.5 75.0 0.8629 0.124 0.0371
0.5 105.0 0.5646 0.0834 0.0231
0.5 135.0 0.4495 0.0639 0.024
0.5 165.0 0.3911 0.0458 0.0163
0.5 195.0 0.3634 0.0397 0.0177
0.5 225.0 0.5836 0.0802 0.0647
0.5 255.0 0.8348 0.1663 0.0221
0.5 285.0 0.9497 0.1608 0.0198
0.5 315.0 0.7734 0.1357 0.0167
0.5 345.0 0.4817 0.1072 0.0136
0.7 15.0 0.6285 0.0783 0.0197
0.7 45.0 0.8235 0.1129 0.0296
0.7 75.0 0.9834 0.1151 0.0226
0.7 105.0 0.8142 0.1194 0.0212
0.7 135.0 0.7717 0.1236 0.0421
0.7 165.0 0.5417 0.0705 0.0176
0.7 195.0 0.5491 0.0793 0.0219
0.7 225.0 0.7646 0.1219 0.0345
0.7 255.0 0.9385 0.1378 0.0175
0.7 285.0 0.9946 0.1425 0.0264
0.7 315.0 0.6511 0.0974 0.01
0.7 345.0 0.6944 0.0903 0.0135
0.9 15.0 0.9712 0.1136 0.0446
0.9 45.0 0.938 0.1053 0.0228
0.9 75.0 0.9769 0.1052 0.0161
0.9 105.0 0.7378 0.0916 0.0356
0.9 135.0 0.8004 0.1139 0.0342
0.9 165.0 0.5839 0.085 0.0204
0.9 195.0 0.5656 0.0857 0.0296
0.9 225.0 0.67 0.0877 0.0189
0.9 255.0 0.6501 0.0787 0.0185
0.9 285.0 0.6941 0.0763 0.0227
0.9 315.0 0.8723 0.0959 0.0179
0.9 345.0 0.9188 0.1016 0.0246