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Measurement E141M44

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Experiment: Measurement of ep→e′nπ+ at 1.6<W<2.0 GeV and extraction of nucleon resonance electrocoupling at CLAS, 2014

Spokespersons: K. Park, V.D. Burkert, I.G. Aznauryan

Experiment comment: polarization of electron beam : ~80%

Publication:

Quantity measured: dσ/dΩ, mcbn/rad
Differential cross section.
Beam: e, polarization: polarized
Target: p (Z=1, A=1), polarization: none
Final state: π+n, polarization: none

Q2 : 2.2 GeV2
W : 1.89 GeV
Ebeam : 5.499 GeV

Select data slice:
cos(θ) =
Observable quantity measured (Y axis): dσ/dΩ, mcbn/rad
Plot measurement data

Parameter (X axis): φ, degree

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Click here to get data in text file, delimited with tabs.

Measured data:

cos(θ) φ,
degree 		dσ/dΩ,
mcbn/rad 		Data errors,
mcbn/rad 		Systematic errors,
mcbn/rad
-0.9 7.5 0.0513 0.0109 0.0059
-0.9 22.5 0.0529 0.014 0.0085
-0.9 37.5 0.0858 0.024 0.0088
-0.9 52.5 0.054 0.0115 0.0086
-0.9 67.5 0.0775 0.0181 0.0136
-0.9 82.5 0.064 0.0215 0.0105
-0.9 97.5 0.0643 0.0212 0.0288
-0.9 112.5 0.0672 0.0197 0.0125
-0.9 127.5 0.066 0.0193 0.0068
-0.9 142.5 0.0665 0.0184 0.0135
-0.9 157.5 0.0618 0.024 0.0138
-0.9 172.5 0.0369 0.012 0.0091
-0.9 187.5 0.0464 0.0146 0.0053
-0.9 202.5 0.0381 0.0151 0.0098
-0.9 217.5 0.0281 0.0113 0.0072
-0.9 232.5 0.0551 0.0168 0.0089
-0.9 247.5 0.0377 0.0128 0.0083
-0.9 262.5 0.042 0.0147 0.022
-0.9 277.5 0.0501 0.0155 0.0148
-0.9 292.5 0.06 0.0194 0.0102
-0.9 307.5 0.0627 0.0205 0.0057
-0.9 322.5 0.0668 0.0141 0.0097
-0.9 337.5 0.0482 0.0136 0.0087
-0.9 352.5 0.0323 0.009 0.0048
-0.7 7.5 0.0874 0.02 0.0105
-0.7 22.5 0.0891 0.0186 0.0321
-0.7 37.5 0.1065 0.0203 0.0114
-0.7 52.5 0.1291 0.0216 0.0112
-0.7 67.5 0.1265 0.0231 0.0217
-0.7 82.5 0.1122 0.0209 0.0169
-0.7 97.5 0.0886 0.0155 0.0129
-0.7 112.5 0.0946 0.0208 0.0111
-0.7 127.5 0.0767 0.0189 0.0175
-0.7 142.5 0.063 0.0151 0.0116
-0.7 157.5 0.0712 0.0146 0.0159
-0.7 172.5 0.0505 0.0121 0.0075
-0.7 187.5 0.0461 0.0104 0.0154
-0.7 202.5 0.0649 0.0141 0.0108
-0.7 217.5 0.0704 0.0156 0.0224
-0.7 232.5 0.1026 0.0177 0.0153
-0.7 247.5 0.0804 0.014 0.0061
-0.7 262.5 0.0985 0.0172 0.0103
-0.7 277.5 0.0702 0.0155 0.0121
-0.7 292.5 0.1206 0.0209 0.0183
-0.7 307.5 0.1143 0.0192 0.0211
-0.7 322.5 0.0866 0.0167 0.013
-0.7 337.5 0.0721 0.0157 0.0083
-0.7 352.5 0.0828 0.0159 0.0121
-0.5 7.5 0.0681 0.0157 0.0167
-0.5 22.5 0.0899 0.0227 0.0179
-0.5 37.5 0.1053 0.0192 0.0144
-0.5 52.5 0.1237 0.0208 0.0155
-0.5 67.5 0.0981 0.0179 0.0128
-0.5 82.5 0.1358 0.023 0.0172
-0.5 97.5 0.1201 0.0178 0.0205
-0.5 112.5 0.0752 0.0114 0.005
-0.5 127.5 0.0567 0.0093 0.009
-0.5 142.5 0.0392 0.0092 0.0023
-0.5 157.5 0.0333 0.0072 0.0061
-0.5 172.5 0.035 0.0063 0.0055
-0.5 187.5 0.0334 0.0062 0.0075
-0.5 202.5 0.0391 0.0073 0.009
-0.5 217.5 0.0242 0.0069 0.0047
-0.5 232.5 0.0626 0.0103 0.0111
-0.5 247.5 0.0682 0.011 0.0064
-0.5 262.5 0.1012 0.0168 0.01
-0.5 277.5 0.0796 0.0152 0.0145
-0.5 292.5 0.1096 0.0206 0.0135
-0.5 307.5 0.0906 0.0156 0.0153
-0.5 322.5 0.0887 0.0169 0.0071
-0.5 337.5 0.0799 0.0245 0.0053
-0.5 352.5 0.0765 0.0165 0.0137
-0.3 22.5 0.073 0.0213 0.0317
-0.3 37.5 0.1412 0.0255 0.0247
-0.3 52.5 0.1166 0.023 0.0129
-0.3 67.5 0.1186 0.0246 0.0222
-0.3 82.5 0.0954 0.016 0.0172
-0.3 97.5 0.1183 0.0173 0.0147
-0.3 112.5 0.1041 0.0148 0.0204
-0.3 127.5 0.043 0.0079 0.0061
-0.3 142.5 0.0491 0.0097 0.0164
-0.3 157.5 0.0491 0.0087 0.0065
-0.3 172.5 0.0536 0.008 0.0088
-0.3 187.5 0.0447 0.0069 0.0059
-0.3 202.5 0.0542 0.0092 0.0112
-0.3 217.5 0.0391 0.0086 0.0112
-0.3 232.5 0.0805 0.0127 0.0159
-0.3 247.5 0.0977 0.0126 0.0081
-0.3 262.5 0.1118 0.0151 0.0108
-0.3 277.5 0.1098 0.0164 0.0154
-0.3 292.5 0.0913 0.0211 0.0176
-0.3 307.5 0.0892 0.0336 0.0031
-0.3 337.5 0.0634 0.0502 0.003
-0.3 352.5 0.0424 0.0153 0.0142
-0.1 22.5 0.0863 0.0218 0.0305
-0.1 37.5 0.1121 0.0215 0.0118
-0.1 52.5 0.125 0.0304 0.0188
-0.1 67.5 0.1639 0.0357 0.0158
-0.1 82.5 0.1346 0.0202 0.0261
-0.1 97.5 0.129 0.018 0.0249
-0.1 112.5 0.0937 0.0136 0.0129
-0.1 127.5 0.1065 0.0181 0.0141
-0.1 142.5 0.0508 0.0107 0.0127
-0.1 157.5 0.0617 0.0087 0.0104
-0.1 172.5 0.0558 0.0068 0.0087
-0.1 187.5 0.0622 0.0072 0.0082
-0.1 202.5 0.081 0.0134 0.0128
-0.1 217.5 0.0572 0.0103 0.0105
-0.1 232.5 0.0928 0.0156 0.0129
-0.1 247.5 0.1202 0.0162 0.0241
-0.1 262.5 0.128 0.0175 0.0154
-0.1 277.5 0.1239 0.0227 0.027
0.1 22.5 0.109 0.0342 0.0248
0.1 52.5 0.1852 0.0509 0.041
0.1 67.5 0.1623 0.0412 0.0235
0.1 82.5 0.216 0.0482 0.0213
0.1 97.5 0.1645 0.0456 0.0346
0.1 112.5 0.0968 0.0218 0.0111
0.1 127.5 0.1152 0.0212 0.0237
0.1 142.5 0.0669 0.0135 0.0118
0.1 157.5 0.1044 0.0157 0.0159
0.1 172.5 0.0687 0.0095 0.012
0.1 187.5 0.0686 0.0101 0.0087
0.1 202.5 0.1048 0.0153 0.0203
0.1 217.5 0.0855 0.0164 0.0092
0.1 232.5 0.0557 0.0138 0.0126
0.1 247.5 0.1814 0.0335 0.0461
0.1 262.5 0.1949 0.0543 0.0418
0.1 277.5 0.2453 0.0778 0.05
0.1 292.5 0.2388 0.0898 0.0393
0.1 307.5 0.1685 0.0795 0.0287
0.3 37.5 0.0612 0.0185 0.0141
0.3 52.5 0.1525 0.0343 0.0256
0.3 67.5 0.1238 0.022 0.0213
0.3 82.5 0.236 0.0384 0.027
0.3 97.5 0.1982 0.0381 0.0323
0.3 112.5 0.207 0.0578 0.0334
0.3 127.5 0.1452 0.0304 0.0414
0.3 142.5 0.1275 0.0226 0.0282
0.3 157.5 0.1507 0.0214 0.0272
0.3 172.5 0.1636 0.0183 0.0235
0.3 187.5 0.1556 0.0176 0.0184
0.3 202.5 0.1408 0.0198 0.0243
0.3 217.5 0.1779 0.0284 0.0308
0.3 232.5 0.1246 0.0296 0.0208
0.3 247.5 0.2253 0.0735 0.047
0.3 262.5 0.1799 0.0518 0.0347
0.3 277.5 0.128 0.0408 0.033
0.3 292.5 0.1676 0.0445 0.0228
0.3 307.5 0.0978 0.0342 0.0321
0.5 22.5 0.0736 0.0174 0.0107
0.5 37.5 0.1177 0.0195 0.0137
0.5 52.5 0.1935 0.0337 0.0267
0.5 67.5 0.2791 0.0424 0.0437
0.5 82.5 0.2151 0.0373 0.0307
0.5 97.5 0.2919 0.0526 0.0318
0.5 112.5 0.3046 0.093 0.05
0.5 127.5 0.234 0.0451 0.0346
0.5 142.5 0.2114 0.0378 0.0283
0.5 157.5 0.2908 0.0441 0.0357
0.5 172.5 0.2043 0.0259 0.0261
0.5 187.5 0.1769 0.0221 0.0192
0.5 202.5 0.1553 0.027 0.033
0.5 217.5 0.1696 0.031 0.0229
0.5 232.5 0.3027 0.0947 0.073
0.5 247.5 0.3286 0.1007 0.0925
0.5 262.5 0.2615 0.0795 0.0727
0.5 277.5 0.2856 0.0719 0.0447
0.5 292.5 0.3242 0.0579 0.057
0.5 307.5 0.1941 0.044 0.028
0.5 322.5 0.1504 0.0329 0.011
0.5 337.5 0.0535 0.0199 0.0085
0.7 7.5 0.086 0.0204 0.0133
0.7 22.5 0.0847 0.0207 0.0086
0.7 37.5 0.1328 0.019 0.0124
0.7 52.5 0.227 0.032 0.0439
0.7 67.5 0.263 0.0427 0.045
0.7 82.5 0.3994 0.0603 0.0572
0.7 97.5 0.5441 0.0843 0.1051
0.7 112.5 0.4476 0.0747 0.099
0.7 127.5 0.3962 0.059 0.0572
0.7 142.5 0.5914 0.0916 0.1001
0.7 157.5 0.8187 0.1282 0.1293
0.7 172.5 0.9587 0.1507 0.1404
0.7 187.5 0.8645 0.1358 0.1202
0.7 202.5 1.0279 0.1688 0.1367
0.7 217.5 0.6823 0.1109 0.072
0.7 232.5 0.4816 0.076 0.0487
0.7 247.5 0.4764 0.0841 0.0687
0.7 262.5 0.4815 0.1437 0.0752
0.7 277.5 0.2624 0.0568 0.069
0.7 292.5 0.2618 0.053 0.0285
0.7 307.5 0.2337 0.0418 0.0347
0.7 322.5 0.0709 0.0193 0.0066
0.7 337.5 0.1303 0.0371 0.0286
0.7 352.5 0.1136 0.0279 0.0137
0.9 7.5 0.2651 0.0225 0.0344
0.9 22.5 0.2096 0.0205 0.0237
0.9 37.5 0.2602 0.025 0.0396
0.9 52.5 0.3595 0.0339 0.0395
0.9 67.5 0.3238 0.035 0.0462
0.9 82.5 0.3921 0.0405 0.0611
0.9 97.5 0.4238 0.0393 0.0488
0.9 112.5 0.3855 0.0358 0.0451
0.9 127.5 0.3269 0.0306 0.0348
0.9 142.5 0.3912 0.0345 0.0544
0.9 157.5 0.3943 0.0337 0.0396
0.9 172.5 0.3164 0.0287 0.0372
0.9 187.5 0.3691 0.0322 0.0461
0.9 202.5 0.4054 0.0343 0.0355
0.9 217.5 0.4394 0.035 0.0414
0.9 232.5 0.3166 0.0287 0.0347
0.9 247.5 0.4289 0.0393 0.0613
0.9 262.5 0.3842 0.0371 0.0345
0.9 277.5 0.4687 0.0464 0.0551
0.9 292.5 0.3868 0.0411 0.041
0.9 307.5 0.3113 0.0319 0.0481
0.9 322.5 0.316 0.0295 0.0274
0.9 337.5 0.2656 0.0243 0.0295
0.9 352.5 0.2243 0.0201 0.0249