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Measurement E141M45

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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 : 1.95 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 0.0506 0.0121 0.006
-0.9 22.5 0.0693 0.0197 0.018
-0.9 37.5 0.0595 0.0161 0.0144
-0.9 52.5 0.0871 0.0195 0.0102
-0.9 67.5 0.0952 0.0238 0.0033
-0.9 82.5 0.1134 0.0304 0.0124
-0.9 97.5 0.0718 0.021 0.0179
-0.9 112.5 0.0772 0.0196 0.0117
-0.9 127.5 0.0467 0.0138 0.0071
-0.9 142.5 0.0857 0.0338 0.0237
-0.9 157.5 0.0347 0.0135 0.0045
-0.9 172.5 0.0632 0.0175 0.0124
-0.9 187.5 0.0506 0.0137 0.0041
-0.9 202.5 0.0344 0.0131 0.0087
-0.9 217.5 0.0546 0.0214 0.0033
-0.9 232.5 0.0362 0.0121 0.013
-0.9 247.5 0.0458 0.0132 0.0145
-0.9 262.5 0.0861 0.023 0.0282
-0.9 277.5 0.1323 0.0331 0.0123
-0.9 292.5 0.0256 0.0159 0.0078
-0.9 307.5 0.07 0.0162 0.0161
-0.9 322.5 0.045 0.013 0.0054
-0.9 337.5 0.0822 0.0195 0.0194
-0.9 352.5 0.0411 0.0111 0.0125
-0.7 7.5 0.087 0.017 0.0172
-0.7 22.5 0.087 0.0184 0.0151
-0.7 37.5 0.0745 0.0151 0.0235
-0.7 52.5 0.0913 0.0152 0.0159
-0.7 67.5 0.1191 0.0192 0.0145
-0.7 82.5 0.1093 0.0258 0.0122
-0.7 97.5 0.0849 0.0154 0.0131
-0.7 112.5 0.0937 0.0145 0.0163
-0.7 127.5 0.0697 0.0123 0.009
-0.7 142.5 0.0739 0.0155 0.0273
-0.7 157.5 0.0291 0.0084 0.0074
-0.7 172.5 0.0307 0.0078 0.0055
-0.7 187.5 0.0432 0.011 0.0095
-0.7 202.5 0.0534 0.0123 0.0144
-0.7 217.5 0.0598 0.0125 0.0086
-0.7 232.5 0.0966 0.0156 0.0131
-0.7 247.5 0.0832 0.0139 0.0145
-0.7 262.5 0.05 0.0136 0.0067
-0.7 277.5 0.0756 0.0199 0.0117
-0.7 292.5 0.112 0.0188 0.0107
-0.7 307.5 0.1095 0.0171 0.0115
-0.7 322.5 0.0997 0.0177 0.0219
-0.7 337.5 0.0899 0.0191 0.0182
-0.7 352.5 0.0706 0.0134 0.0153
-0.5 7.5 0.0556 0.0127 0.0089
-0.5 22.5 0.0926 0.0222 0.0151
-0.5 37.5 0.0753 0.0127 0.0132
-0.5 52.5 0.0852 0.015 0.0108
-0.5 67.5 0.1469 0.0223 0.0105
-0.5 82.5 0.1111 0.0183 0.0277
-0.5 97.5 0.0801 0.013 0.0044
-0.5 112.5 0.0619 0.0105 0.0072
-0.5 127.5 0.0369 0.0073 0.0033
-0.5 142.5 0.0309 0.0078 0.0126
-0.5 157.5 0.0227 0.006 0.004
-0.5 172.5 0.0186 0.0044 0.0027
-0.5 187.5 0.0219 0.0048 0.0023
-0.5 202.5 0.023 0.0063 0.0049
-0.5 217.5 0.0293 0.0068 0.0082
-0.5 232.5 0.0529 0.0089 0.0064
-0.5 247.5 0.101 0.0146 0.0059
-0.5 262.5 0.0674 0.0115 0.0069
-0.5 277.5 0.0777 0.0149 0.0184
-0.5 292.5 0.0767 0.0142 0.0145
-0.5 307.5 0.0876 0.0146 0.0276
-0.5 322.5 0.0601 0.0116 0.0018
-0.5 337.5 0.0903 0.0234 0.0173
-0.5 352.5 0.1038 0.0203 0.02
-0.3 22.5 0.0246 0.0166 0.0091
-0.3 37.5 0.0393 0.0113 0.0033
-0.3 52.5 0.0878 0.0176 0.0081
-0.3 67.5 0.0689 0.0185 0.0103
-0.3 82.5 0.049 0.0111 0.0141
-0.3 97.5 0.0778 0.0139 0.0124
-0.3 112.5 0.0443 0.008 0.0052
-0.3 127.5 0.0536 0.0099 0.0089
-0.3 142.5 0.0388 0.0087 0.0073
-0.3 157.5 0.0341 0.007 0.0064
-0.3 172.5 0.0201 0.0038 0.004
-0.3 187.5 0.0229 0.0042 0.0043
-0.3 202.5 0.0286 0.0061 0.0057
-0.3 217.5 0.0323 0.0073 0.0105
-0.3 232.5 0.0512 0.0095 0.0019
-0.3 247.5 0.0672 0.0108 0.01
-0.3 262.5 0.0828 0.0133 0.0099
-0.3 277.5 0.0834 0.0154 0.0101
-0.3 292.5 0.0665 0.0181 0.0318
-0.3 307.5 0.1357 0.04 0.0342
-0.3 322.5 0.0562 0.0264 0.0157
-0.3 352.5 0.023 0.0106 0.0008
-0.1 22.5 0.0657 0.0172 0.0078
-0.1 37.5 0.0784 0.0157 0.0094
-0.1 52.5 0.0742 0.0277 0.0207
-0.1 67.5 0.0635 0.0231 0.026
-0.1 82.5 0.0793 0.0155 0.0068
-0.1 97.5 0.0871 0.0149 0.0164
-0.1 112.5 0.0785 0.0118 0.0121
-0.1 127.5 0.0651 0.0132 0.0125
-0.1 142.5 0.0442 0.0089 0.0144
-0.1 157.5 0.0323 0.0059 0.0059
-0.1 172.5 0.0332 0.0055 0.0038
-0.1 187.5 0.0369 0.0058 0.0061
-0.1 202.5 0.0429 0.0071 0.0115
-0.1 217.5 0.0385 0.0082 0.0127
-0.1 232.5 0.052 0.0102 0.0094
-0.1 247.5 0.0649 0.0106 0.0107
-0.1 262.5 0.0859 0.0147 0.0153
-0.1 277.5 0.0929 0.0224 0.0192
-0.1 292.5 0.0925 0.0348 0.0051
0.1 22.5 0.0796 0.0272 0.0144
0.1 37.5 0.0875 0.0319 0.0043
0.1 67.5 0.1485 0.0365 0.0228
0.1 82.5 0.1487 0.0464 0.0222
0.1 97.5 0.1603 0.0361 0.0185
0.1 112.5 0.104 0.0275 0.0115
0.1 127.5 0.0595 0.0139 0.0162
0.1 142.5 0.0404 0.0094 0.0047
0.1 157.5 0.0382 0.0089 0.0048
0.1 172.5 0.0474 0.0081 0.0066
0.1 187.5 0.0349 0.0067 0.0052
0.1 202.5 0.0558 0.0106 0.0078
0.1 217.5 0.0691 0.0132 0.0131
0.1 232.5 0.0834 0.0126 0.0056
0.1 247.5 0.1 0.0265 0.019
0.1 262.5 0.0877 0.0364 0.017
0.1 277.5 0.1354 0.0527 0.0214
0.1 307.5 0.2222 0.1059 0.0146
0.1 337.5 0.183 0.0863 0.0918
0.3 22.5 0.0511 0.02 0.0018
0.3 37.5 0.1391 0.0423 0.0056
0.3 52.5 0.1561 0.0414 0.0353
0.3 67.5 0.2173 0.038 0.0276
0.3 82.5 0.1764 0.0353 0.0301
0.3 97.5 0.2017 0.0443 0.0364
0.3 112.5 0.1299 0.035 0.0121
0.3 127.5 0.1999 0.0442 0.0466
0.3 142.5 0.0807 0.0153 0.0241
0.3 157.5 0.0909 0.0165 0.0195
0.3 172.5 0.0784 0.0107 0.0146
0.3 187.5 0.0764 0.0106 0.0111
0.3 202.5 0.0607 0.0123 0.0132
0.3 217.5 0.0513 0.0106 0.0109
0.3 232.5 0.1177 0.0326 0.0197
0.3 247.5 0.1451 0.069 0.0517
0.3 262.5 0.1661 0.058 0.0308
0.3 277.5 0.1989 0.0626 0.0332
0.3 292.5 0.1499 0.0403 0.0352
0.3 307.5 0.2235 0.0623 0.0396
0.3 322.5 0.1714 0.0749 0.0421
0.5 22.5 0.0598 0.0184 0.0138
0.5 37.5 0.1413 0.0226 0.0304
0.5 52.5 0.2259 0.0353 0.017
0.5 67.5 0.2418 0.038 0.0222
0.5 82.5 0.3187 0.0461 0.0421
0.5 97.5 0.2201 0.043 0.023
0.5 112.5 0.3254 0.0586 0.0405
0.5 127.5 0.1519 0.032 0.0597
0.5 142.5 0.2092 0.0431 0.033
0.5 157.5 0.2428 0.0387 0.0493
0.5 172.5 0.1702 0.0238 0.0234
0.5 187.5 0.1352 0.0192 0.0194
0.5 202.5 0.1739 0.0292 0.0245
0.5 217.5 0.236 0.0451 0.0329
0.5 232.5 0.1545 0.0389 0.0451
0.5 247.5 0.3006 0.0612 0.064
0.5 262.5 0.2357 0.0503 0.0474
0.5 277.5 0.3206 0.0649 0.1185
0.5 292.5 0.132 0.0412 0.0349
0.5 307.5 0.1906 0.0399 0.0313
0.5 322.5 0.0839 0.0213 0.0074
0.5 337.5 0.063 0.0304 0.0024
0.7 7.5 0.0919 0.0317 0.0185
0.7 22.5 0.08 0.0185 0.0115
0.7 37.5 0.1076 0.0161 0.0108
0.7 52.5 0.1739 0.0256 0.0256
0.7 67.5 0.2675 0.0407 0.0398
0.7 82.5 0.3051 0.0531 0.056
0.7 97.5 0.2484 0.08 0.0289
0.7 112.5 0.3328 0.0567 0.0568
0.7 127.5 0.3256 0.0519 0.0486
0.7 142.5 0.4997 0.0875 0.0788
0.7 157.5 0.6235 0.108 0.0552
0.7 172.5 0.5097 0.074 0.0586
0.7 187.5 0.5204 0.099 0.0446
0.7 202.5 0.4741 0.0766 0.0878
0.7 217.5 0.4927 0.0831 0.0541
0.7 232.5 0.3701 0.0642 0.0953
0.7 247.5 0.3273 0.0598 0.0561
0.7 262.5 0.1974 0.0865 0.0419
0.7 277.5 0.3032 0.065 0.0725
0.7 292.5 0.2001 0.0403 0.0342
0.7 307.5 0.1827 0.0371 0.043
0.7 322.5 0.0657 0.0152 0.0216
0.7 337.5 0.073 0.025 0.0194
0.9 7.5 0.2572 0.0214 0.0294
0.9 22.5 0.2244 0.0226 0.0213
0.9 37.5 0.2428 0.0235 0.0318
0.9 52.5 0.2513 0.025 0.0415
0.9 67.5 0.3374 0.033 0.0468
0.9 82.5 0.3205 0.0341 0.0441
0.9 97.5 0.432 0.0439 0.0599
0.9 112.5 0.3256 0.0324 0.05
0.9 127.5 0.3309 0.0299 0.0514
0.9 142.5 0.4269 0.0364 0.0652
0.9 157.5 0.3856 0.0338 0.0572
0.9 172.5 0.2561 0.0232 0.0251
0.9 217.5 0.4008 0.0354 0.0459
0.9 232.5 0.274 0.0253 0.0303
0.9 247.5 0.3501 0.032 0.0494
0.9 262.5 0.3336 0.0344 0.0482
0.9 277.5 0.4201 0.0435 0.0311
0.9 292.5 0.3157 0.0319 0.0467
0.9 307.5 0.3407 0.032 0.0427
0.9 322.5 0.2478 0.0236 0.0258
0.9 337.5 0.2801 0.0246 0.0288
0.9 352.5 0.2882 0.0241 0.03