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Measurement E141M91

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: 3.15 GeV2
W: 1.95 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 0.0395 0.0127 0.0057
-0.9 22.5 0.0202 0.0077 0.0089
-0.9 37.5 0.0376 0.0153 0.0213
-0.9 52.5 0.0633 0.0249 0.0201
-0.9 67.5 0.0439 0.0129 0.013
-0.9 82.5 0.0531 0.018 0.0309
-0.9 97.5 0.0346 0.0113 0.0045
-0.9 112.5 0.0818 0.0306 0.0279
-0.9 232.5 0.0046 0.0025 0.0015
-0.9 247.5 0.0331 0.0096 0.004
-0.9 262.5 0.0492 0.017 0.006
-0.9 277.5 0.0221 0.0094 0.0028
-0.9 292.5 0.0189 0.0072 0.003
-0.9 307.5 0.037 0.0116 0.0064
-0.9 322.5 0.0291 0.01 0.011
-0.9 337.5 0.0278 0.0097 0.0022
-0.9 352.5 0.0631 0.0164 0.0085
-0.7 7.5 0.0377 0.0102 0.0028
-0.7 22.5 0.0447 0.0116 0.0093
-0.7 37.5 0.0288 0.0093 0.0074
-0.7 52.5 0.0485 0.0154 0.0081
-0.7 67.5 0.0371 0.0138 0.008
-0.7 82.5 0.0314 0.0091 0.0048
-0.7 97.5 0.0358 0.0093 0.0044
-0.7 112.5 0.0508 0.0127 0.0115
-0.7 127.5 0.0387 0.011 0.013
-0.7 142.5 0.0331 0.0095 0.0049
-0.7 157.5 0.0253 0.0085 0.0043
-0.7 172.5 0.0406 0.014 0.0073
-0.7 187.5 0.0505 0.0157 0.0087
-0.7 202.5 0.0233 0.0071 0.0133
-0.7 217.5 0.0341 0.009 0.0024
-0.7 232.5 0.031 0.0089 0.0049
-0.7 247.5 0.0565 0.0121 0.0063
-0.7 262.5 0.0509 0.0131 0.0112
-0.7 277.5 0.0529 0.0151 0.0119
-0.7 292.5 0.0636 0.0216 0.0086
-0.7 307.5 0.0443 0.0115 0.0076
-0.7 322.5 0.0488 0.0117 0.0092
-0.7 337.5 0.0575 0.0181 0.0092
-0.7 352.5 0.0376 0.011 0.0056
-0.5 7.5 0.0245 0.0106 0.0131
-0.5 22.5 0.0259 0.011 0.0009
-0.5 37.5 0.0343 0.012 0.0069
-0.5 52.5 0.0281 0.0089 0.0045
-0.5 67.5 0.0532 0.015 0.009
-0.5 82.5 0.0312 0.0104 0.0091
-0.5 97.5 0.0273 0.0086 0.0032
-0.5 112.5 0.0249 0.0075 0.008
-0.5 127.5 0.0195 0.0067 0.0007
-0.5 142.5 0.032 0.0096 0.0076
-0.5 157.5 0.0124 0.0051 0.0053
-0.5 172.5 0.0164 0.0053 0.0042
-0.5 187.5 0.0121 0.0044 0.0011
-0.5 202.5 0.0212 0.0073 0.0075
-0.5 217.5 0.024 0.0083 0.0068
-0.5 232.5 0.0172 0.0063 0.0028
-0.5 247.5 0.032 0.0084 0.0038
-0.5 262.5 0.0328 0.0092 0.003
-0.5 277.5 0.0459 0.0125 0.0039
-0.5 292.5 0.0483 0.0188 0.0095
-0.5 307.5 0.0327 0.0145 0.0029
-0.3 37.5 0.0267 0.0093 0.001
-0.3 52.5 0.0449 0.0161 0.0157
-0.3 67.5 0.0586 0.0293 0.0093
-0.3 82.5 0.0474 0.0151 0.0038
-0.3 97.5 0.0341 0.0089 0.0061
-0.3 112.5 0.0308 0.0092 0.0065
-0.3 127.5 0.0342 0.0108 0.0019
-0.3 142.5 0.0147 0.0057 0.005
-0.3 172.5 0.0209 0.005 0.0046
-0.3 187.5 0.0173 0.0041 0.0018
-0.3 202.5 0.0119 0.0043 0.0014
-0.3 217.5 0.0236 0.0074 0.0083
-0.3 232.5 0.0568 0.0138 0.0133
-0.3 247.5 0.0478 0.0114 0.0087
-0.3 262.5 0.0408 0.0108 0.0017
-0.1 22.5 0.0224 0.0104 0.001
-0.1 37.5 0.037 0.0123 0.0063
-0.1 67.5 0.053 0.0189 0.0097
-0.1 82.5 0.0227 0.0089 0.0035
-0.1 97.5 0.0253 0.0083 0.0113
-0.1 112.5 0.0282 0.0079 0.005
-0.1 127.5 0.0422 0.0105 0.009
-0.1 142.5 0.025 0.0067 0.0024
-0.1 157.5 0.011 0.004 0.0047
-0.1 172.5 0.0255 0.0047 0.0024
-0.1 187.5 0.0239 0.0049 0.0066
-0.1 202.5 0.0187 0.005 0.0096
-0.1 217.5 0.0129 0.0042 0.0028
-0.1 247.5 0.0164 0.0064 0.0092
-0.1 277.5 0.0268 0.0127 0.0013
0.1 22.5 0.0371 0.0173 0.0044
0.1 67.5 0.1237 0.0563 0.0059
0.1 82.5 0.1036 0.0319 0.0236
0.1 112.5 0.0452 0.0179 0.0144
0.1 127.5 0.0377 0.0138 0.005
0.1 142.5 0.0312 0.0097 0.0048
0.1 157.5 0.027 0.007 0.0092
0.1 172.5 0.0158 0.0042 0.0025
0.1 187.5 0.02 0.005 0.0034
0.1 202.5 0.0305 0.0082 0.0118
0.1 217.5 0.0186 0.0085 0.0013
0.1 232.5 0.0247 0.0104 0.0076
0.1 277.5 0.1077 0.0511 0.0226
0.1 292.5 0.075 0.0325 0.0092
0.3 22.5 0.1013 0.0831 0.0358
0.3 37.5 0.047 0.0224 0.0075
0.3 52.5 0.0795 0.0258 0.0156
0.3 67.5 0.07 0.0233 0.0294
0.3 82.5 0.1092 0.0257 0.0084
0.3 97.5 0.1174 0.0323 0.018
0.3 112.5 0.0668 0.0239 0.0083
0.3 127.5 0.0731 0.0221 0.0224
0.3 142.5 0.0382 0.0142 0.0025
0.3 157.5 0.0752 0.0218 0.0145
0.3 172.5 0.0594 0.0124 0.0145
0.3 187.5 0.0343 0.0074 0.0056
0.3 202.5 0.0828 0.0201 0.0208
0.3 217.5 0.07 0.0223 0.0096
0.3 232.5 0.0434 0.0174 0.0163
0.3 247.5 0.0926 0.0323 0.0205
0.3 262.5 0.0777 0.0338 0.0292
0.3 277.5 0.1142 0.0358 0.0156
0.3 292.5 0.0868 0.0311 0.0186
0.3 307.5 0.0977 0.0378 0.0103
0.5 22.5 0.0569 0.038 0.0286
0.5 37.5 0.0714 0.0207 0.0083
0.5 52.5 0.1 0.0236 0.0138
0.5 67.5 0.1214 0.0278 0.015
0.5 82.5 0.1679 0.0442 0.0214
0.5 97.5 0.0659 0.0224 0.0051
0.5 112.5 0.1426 0.0474 0.0094
0.5 127.5 0.0814 0.0217 0.0119
0.5 142.5 0.1384 0.0362 0.0211
0.5 157.5 0.1341 0.032 0.0342
0.5 172.5 0.1672 0.0308 0.0253
0.5 187.5 0.0933 0.02 0.011
0.5 202.5 0.0804 0.0216 0.0086
0.5 217.5 0.0618 0.0205 0.0063
0.5 232.5 0.0791 0.0215 0.007
0.5 247.5 0.0941 0.0279 0.0156
0.5 262.5 0.0838 0.0305 0.0613
0.5 277.5 0.1496 0.0415 0.0202
0.5 292.5 0.0859 0.0241 0.0172
0.5 307.5 0.1629 0.0495 0.0271
0.5 322.5 0.0721 0.0238 0.0276
0.7 22.5 0.1263 0.0706 0.004
0.7 37.5 0.0869 0.0259 0.0158
0.7 52.5 0.109 0.0241 0.0164
0.7 67.5 0.1209 0.025 0.0218
0.7 82.5 0.1993 0.0466 0.055
0.7 97.5 0.2155 0.0481 0.0409
0.7 112.5 0.204 0.0428 0.0427
0.7 127.5 0.2258 0.0454 0.0212
0.7 142.5 0.1501 0.0328 0.0187
0.7 157.5 0.1837 0.034 0.0192
0.7 172.5 0.1664 0.0283 0.0217
0.7 187.5 0.1434 0.028 0.015
0.7 202.5 0.2144 0.0384 0.0306
0.7 217.5 0.1699 0.032 0.0399
0.7 232.5 0.1367 0.0288 0.0206
0.7 247.5 0.1399 0.0483 0.0387
0.7 262.5 0.1678 0.0481 0.0383
0.7 277.5 0.1167 0.0552 0.0136
0.7 292.5 0.1303 0.0345 0.029
0.7 307.5 0.1244 0.0388 0.0171
0.7 322.5 0.1079 0.0564 0.0091
0.7 337.5 0.0682 0.0557 0.0167
0.7 352.5 0.0661 0.0457 0.0273
0.9 7.5 0.1694 0.0356 0.0191
0.9 22.5 0.1771 0.0238 0.0237
0.9 37.5 0.1858 0.0266 0.0212
0.9 52.5 0.1934 0.0289 0.0174
0.9 67.5 0.2372 0.0339 0.0321
0.9 82.5 0.1963 0.0306 0.0306
0.9 97.5 0.3142 0.0476 0.0566
0.9 112.5 0.3565 0.051 0.0414
0.9 127.5 0.2935 0.0399 0.0317
0.9 142.5 0.287 0.0389 0.0375
0.9 157.5 0.2564 0.0376 0.0349
0.9 172.5 0.1831 0.023 0.0201
0.9 187.5 0.2413 0.0295 0.0236
0.9 202.5 0.2653 0.034 0.0264
0.9 217.5 0.2231 0.0273 0.0259
0.9 232.5 0.2859 0.0409 0.0394
0.9 247.5 0.1858 0.0282 0.0275
0.9 262.5 0.2072 0.0327 0.0244
0.9 277.5 0.239 0.0383 0.0356
0.9 292.5 0.244 0.0356 0.0246
0.9 307.5 0.231 0.0348 0.0321
0.9 322.5 0.1905 0.0276 0.0354
0.9 337.5 0.2581 0.035 0.0409
0.9 352.5 0.2749 0.0378 0.0351
Created in SINP MSU, CLAS Collaboration