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Measurement E141M23

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: 1.8 GeV2
W: 2.01 GeV
Ebeam: 5.499 GeV
Publication:

Slice: cos(θ) =

Measurement data
cos(θ) φ, [degree] dσ/dΩ, [μb/rad] uncertainty syst. uncert.
-0.9 7.5 0.0299 0.0074 0.0026
-0.9 22.5 0.0288 0.0098 0.0054
-0.9 37.5 0.037 0.0106 0.0119
-0.9 52.5 0.0453 0.0109 0.0126
-0.9 67.5 0.0522 0.0127 0.0087
-0.9 82.5 0.0304 0.0091 0.0039
-0.9 97.5 0.0366 0.0123 0.0102
-0.9 112.5 0.0342 0.0088 0.0109
-0.9 127.5 0.0279 0.0078 0.0069
-0.9 142.5 0.0303 0.0111 0.009
-0.9 172.5 0.0117 0.0064 0.0038
-0.9 187.5 0.0361 0.0121 0.006
-0.9 202.5 0.0282 0.0121 0.0042
-0.9 217.5 0.0249 0.0092 0.0062
-0.9 232.5 0.0275 0.009 0.0015
-0.9 247.5 0.0362 0.0099 0.0035
-0.9 262.5 0.0524 0.0204 0.0017
-0.9 277.5 0.0507 0.0206 0.0155
-0.9 292.5 0.0362 0.0112 0.0044
-0.9 307.5 0.0328 0.0085 0.0067
-0.9 322.5 0.0318 0.0098 0.0096
-0.9 337.5 0.0198 0.0069 0.0053
-0.9 352.5 0.0298 0.0074 0.0019
-0.7 7.5 0.0609 0.0119 0.0039
-0.7 22.5 0.051 0.0118 0.0097
-0.7 37.5 0.074 0.0148 0.0076
-0.7 52.5 0.0914 0.0149 0.0114
-0.7 67.5 0.1068 0.0177 0.0178
-0.7 82.5 0.1134 0.0226 0.0088
-0.7 97.5 0.0715 0.0143 0.0099
-0.7 112.5 0.0595 0.0102 0.0105
-0.7 127.5 0.058 0.011 0.0168
-0.7 142.5 0.0417 0.0098 0.0113
-0.7 157.5 0.0272 0.0065 0.0091
-0.7 172.5 0.0164 0.0042 0.0051
-0.7 187.5 0.0167 0.0044 0.0046
-0.7 202.5 0.0131 0.0042 0.0079
-0.7 217.5 0.0358 0.0083 0.0044
-0.7 232.5 0.0444 0.0089 0.0095
-0.7 247.5 0.0901 0.0151 0.0125
-0.7 262.5 0.0767 0.013 0.0156
-0.7 277.5 0.0928 0.0171 0.0189
-0.7 292.5 0.092 0.0149 0.0121
-0.7 307.5 0.0955 0.0136 0.012
-0.7 322.5 0.0869 0.015 0.0089
-0.7 337.5 0.0704 0.0158 0.025
-0.7 352.5 0.0562 0.0116 0.0084
-0.5 7.5 0.0718 0.0143 0.0076
-0.5 22.5 0.0742 0.0163 0.0136
-0.5 37.5 0.0607 0.0119 0.0108
-0.5 52.5 0.0778 0.0132 0.0118
-0.5 67.5 0.0726 0.0139 0.0101
-0.5 82.5 0.0466 0.0094 0.0092
-0.5 97.5 0.0689 0.0116 0.0038
-0.5 112.5 0.0452 0.0073 0.0033
-0.5 127.5 0.04 0.008 0.0079
-0.5 142.5 0.0171 0.0056 0.0045
-0.5 157.5 0.0164 0.004 0.0022
-0.5 172.5 0.0117 0.0028 0.0018
-0.5 187.5 0.007 0.002 0.0004
-0.5 202.5 0.0104 0.0031 0.002
-0.5 217.5 0.016 0.0044 0.0043
-0.5 232.5 0.0437 0.0079 0.0075
-0.5 247.5 0.0423 0.007 0.0104
-0.5 262.5 0.0481 0.0081 0.0022
-0.5 277.5 0.0767 0.0133 0.0119
-0.5 292.5 0.0789 0.0131 0.009
-0.5 307.5 0.053 0.0091 0.0139
-0.5 322.5 0.0562 0.0105 0.0047
-0.5 337.5 0.0658 0.0169 0.0137
-0.5 352.5 0.0589 0.012 0.004
-0.3 7.5 0.038 0.0113 0.0053
-0.3 22.5 0.0845 0.0252 0.0144
-0.3 37.5 0.0714 0.0148 0.0101
-0.3 52.5 0.0498 0.0107 0.0149
-0.3 67.5 0.0684 0.0146 0.0062
-0.3 82.5 0.0507 0.0102 0.0087
-0.3 97.5 0.0646 0.0123 0.005
-0.3 112.5 0.0309 0.006 0.0023
-0.3 127.5 0.034 0.0072 0.0075
-0.3 142.5 0.0179 0.0051 0.0119
-0.3 157.5 0.0244 0.0049 0.0061
-0.3 172.5 0.023 0.004 0.0038
-0.3 187.5 0.0209 0.0037 0.0029
-0.3 202.5 0.0219 0.0043 0.0025
-0.3 217.5 0.0206 0.0054 0.0067
-0.3 232.5 0.0194 0.0051 0.0009
-0.3 247.5 0.0368 0.0067 0.0051
-0.3 262.5 0.0587 0.0099 0.0138
-0.3 277.5 0.089 0.0175 0.0064
-0.3 292.5 0.0567 0.0126 0.0131
-0.3 307.5 0.0498 0.0137 0.0015
-0.3 322.5 0.0421 0.02 0.002
-0.3 352.5 0.027 0.0091 0.0055
-0.1 7.5 0.0419 0.0175 0.0144
-0.1 22.5 0.0634 0.0177 0.0078
-0.1 37.5 0.0511 0.012 0.0097
-0.1 52.5 0.1006 0.0198 0.0144
-0.1 67.5 0.0732 0.0207 0.0382
-0.1 82.5 0.0652 0.0131 0.0253
-0.1 97.5 0.0626 0.0103 0.0074
-0.1 112.5 0.0547 0.0089 0.0037
-0.1 127.5 0.0468 0.0093 0.003
-0.1 142.5 0.0388 0.0082 0.0209
-0.1 157.5 0.0419 0.0066 0.006
-0.1 172.5 0.0399 0.0051 0.0051
-0.1 187.5 0.0492 0.0059 0.007
-0.1 202.5 0.0424 0.0069 0.0077
-0.1 217.5 0.042 0.0071 0.0072
-0.1 232.5 0.0398 0.0077 0.0071
-0.1 247.5 0.0454 0.0078 0.0089
-0.1 262.5 0.0575 0.0106 0.0176
-0.1 277.5 0.0659 0.0139 0.0074
0.1 22.5 0.0548 0.0189 0.0058
0.1 37.5 0.1143 0.031 0.0132
0.1 52.5 0.1025 0.0356 0.0084
0.1 67.5 0.0867 0.0284 0.0136
0.1 82.5 0.122 0.0406 0.0239
0.1 97.5 0.1176 0.0259 0.0184
0.1 112.5 0.1183 0.0228 0.0176
0.1 127.5 0.1007 0.0168 0.0195
0.1 142.5 0.0485 0.0102 0.0128
0.1 157.5 0.0933 0.0158 0.0149
0.1 172.5 0.0898 0.0128 0.0071
0.1 187.5 0.0658 0.0098 0.0092
0.1 202.5 0.0897 0.0151 0.0108
0.1 217.5 0.0845 0.0139 0.015
0.1 232.5 0.0566 0.013 0.0143
0.1 247.5 0.0761 0.0195 0.0143
0.1 262.5 0.1346 0.0341 0.0126
0.1 277.5 0.1275 0.0466 0.037
0.1 292.5 0.1715 0.0752 0.0113
0.3 22.5 0.0413 0.0087 0.0056
0.3 37.5 0.0969 0.0228 0.0125
0.3 52.5 0.1605 0.0375 0.0408
0.3 67.5 0.1348 0.0291 0.0197
0.3 82.5 0.1791 0.0336 0.0376
0.3 97.5 0.2593 0.0713 0.0259
0.3 112.5 0.255 0.0446 0.044
0.3 127.5 0.2008 0.0365 0.0498
0.3 157.5 0.1165 0.0186 0.013
0.3 172.5 0.1826 0.0208 0.0236
0.3 187.5 0.1583 0.0194 0.0246
0.3 202.5 0.1625 0.0248 0.0316
0.3 217.5 0.1362 0.0261 0.0461
0.3 232.5 0.0991 0.0258 0.0305
0.3 262.5 0.2224 0.0756 0.0173
0.3 277.5 0.2478 0.0714 0.0421
0.3 292.5 0.1907 0.0512 0.0611
0.3 307.5 0.1314 0.0407 0.0165
0.3 337.5 0.0691 0.0263 0.0105
0.5 37.5 0.0729 0.0136 0.0114
0.5 52.5 0.2109 0.0299 0.0249
0.5 67.5 0.1977 0.0303 0.0229
0.5 82.5 0.1658 0.0504 0.0202
0.5 97.5 0.2291 0.0351 0.0267
0.5 112.5 0.2645 0.0432 0.0447
0.5 127.5 0.2973 0.0627 0.0508
0.5 142.5 0.2095 0.0368 0.0197
0.5 157.5 0.1958 0.0308 0.0294
0.5 172.5 0.1297 0.0166 0.0221
0.5 187.5 0.1337 0.0171 0.0218
0.5 202.5 0.1868 0.0293 0.0251
0.5 217.5 0.1672 0.0322 0.0299
0.5 232.5 0.23 0.1011 0.0193
0.5 247.5 0.2538 0.063 0.0567
0.5 262.5 0.0921 0.0274 0.0261
0.5 277.5 0.2957 0.0596 0.031
0.5 292.5 0.1915 0.0399 0.0244
0.5 307.5 0.1448 0.0276 0.0264
0.5 322.5 0.0576 0.0149 0.0117
0.7 22.5 0.2006 0.0426 0.0255
0.7 37.5 0.1552 0.0178 0.0199
0.7 52.5 0.2094 0.0216 0.0137
0.7 67.5 0.2783 0.0342 0.0349
0.7 82.5 0.3737 0.0509 0.0252
0.7 97.5 0.4163 0.0583 0.0652
0.7 112.5 0.5524 0.0785 0.1155
0.7 127.5 0.3355 0.0584 0.0825
0.7 142.5 0.5437 0.0913 0.0871
0.7 157.5 0.4803 0.139 0.0651
0.7 172.5 0.8575 0.2341 0.1176
0.7 187.5 0.4501 0.1319 0.0561
0.7 202.5 0.4823 0.1395 0.0538
0.7 217.5 0.4185 0.07 0.0597
0.7 232.5 0.4733 0.0755 0.0524
0.7 247.5 0.344 0.0625 0.0591
0.7 262.5 0.3266 0.0584 0.0536
0.7 277.5 0.2877 0.0562 0.049
0.7 292.5 0.2886 0.0457 0.0455
0.7 307.5 0.1304 0.0195 0.0153
0.7 322.5 0.0924 0.0157 0.0126
0.7 337.5 0.0658 0.0245 0.0184
0.9 7.5 0.3503 0.0256 0.0411
0.9 22.5 0.295 0.0236 0.0261
0.9 37.5 0.3249 0.0276 0.0373
0.9 52.5 0.3327 0.0295 0.0426
0.9 67.5 0.4164 0.0353 0.0611
0.9 82.5 0.5301 0.0482 0.0674
0.9 97.5 0.492 0.0464 0.0773
0.9 112.5 0.4349 0.0364 0.0513
0.9 127.5 0.3155 0.0258 0.0399
0.9 142.5 0.3881 0.0314 0.0534
0.9 157.5 0.3811 0.03 0.0458
0.9 172.5 0.3608 0.0293 0.0421
0.9 187.5 0.3393 0.0277 0.0373
0.9 202.5 0.3516 0.0292 0.0401
0.9 217.5 0.3338 0.0278 0.0393
0.9 232.5 0.3541 0.029 0.0455
0.9 247.5 0.3001 0.0257 0.0316
0.9 277.5 0.3515 0.0594 0.0456
0.9 307.5 0.3523 0.0316 0.0577
0.9 322.5 0.2742 0.0247 0.033
0.9 337.5 0.3402 0.027 0.0359
0.9 352.5 0.3706 0.0267 0.0361
Created in SINP MSU, CLAS Collaboration