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Measurement E141M89

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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 : 3.15 GeV2
W : 1.83 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 0.0553 0.0159 0.0069
-0.9 22.5 0.0625 0.02 0.0154
-0.9 37.5 0.0684 0.0202 0.0104
-0.9 52.5 0.1114 0.0346 0.0274
-0.9 67.5 0.0562 0.0183 0.0102
-0.9 82.5 0.0935 0.0374 0.0152
-0.9 97.5 0.0597 0.0212 0.015
-0.9 112.5 0.0841 0.0392 0.0183
-0.9 127.5 0.067 0.0197 0.0234
-0.9 142.5 0.0836 0.0283 0.0251
-0.9 157.5 0.0564 0.0211 0.0251
-0.9 172.5 0.0445 0.0155 0.0174
-0.9 187.5 0.0368 0.0125 0.0404
-0.9 202.5 0.0829 0.0269 0.0203
-0.9 217.5 0.0796 0.0279 0.03
-0.9 232.5 0.0813 0.0255 0.0143
-0.9 247.5 0.0634 0.0196 0.0136
-0.9 262.5 0.0479 0.017 0.0169
-0.9 277.5 0.0905 0.0335 0.0199
-0.9 292.5 0.0699 0.0201 0.0187
-0.9 307.5 0.0741 0.0217 0.0156
-0.9 322.5 0.059 0.0166 0.0059
-0.9 337.5 0.0936 0.026 0.0268
-0.9 352.5 0.0595 0.0167 0.0113
-0.7 7.5 0.0706 0.0172 0.0132
-0.7 22.5 0.092 0.0283 0.01
-0.7 37.5 0.0809 0.0193 0.0145
-0.7 52.5 0.093 0.0205 0.0137
-0.7 67.5 0.0735 0.0269 0.0149
-0.7 82.5 0.0469 0.0139 0.0165
-0.7 97.5 0.0719 0.0161 0.0104
-0.7 112.5 0.0475 0.0113 0.0089
-0.7 127.5 0.0632 0.0145 0.0152
-0.7 142.5 0.0372 0.0116 0.0099
-0.7 157.5 0.0599 0.0124 0.0173
-0.7 172.5 0.0716 0.0148 0.0169
-0.7 187.5 0.0482 0.0101 0.0086
-0.7 202.5 0.0371 0.009 0.0068
-0.7 217.5 0.0657 0.0151 0.0093
-0.7 232.5 0.0836 0.0192 0.0097
-0.7 247.5 0.1069 0.022 0.0102
-0.7 262.5 0.0703 0.0164 0.0094
-0.7 277.5 0.0776 0.0176 0.0177
-0.7 292.5 0.0942 0.0224 0.0159
-0.7 307.5 0.0764 0.0175 0.0126
-0.7 322.5 0.085 0.0196 0.0139
-0.7 337.5 0.0815 0.0204 0.0234
-0.7 352.5 0.1062 0.0239 0.0259
-0.5 22.5 0.0545 0.0233 0.0184
-0.5 37.5 0.0797 0.0209 0.0121
-0.5 52.5 0.0706 0.0196 0.0198
-0.5 67.5 0.094 0.0219 0.0213
-0.5 82.5 0.069 0.0145 0.0048
-0.5 97.5 0.0598 0.011 0.0095
-0.5 112.5 0.0732 0.014 0.0111
-0.5 127.5 0.0644 0.0197 0.0133
-0.5 142.5 0.0496 0.0128 0.0112
-0.5 157.5 0.0363 0.0113 0.0138
-0.5 172.5 0.037 0.0092 0.008
-0.5 187.5 0.0301 0.0075 0.0045
-0.5 202.5 0.0559 0.0173 0.0052
-0.5 217.5 0.0548 0.0126 0.0109
-0.5 232.5 0.0626 0.0141 0.0108
-0.5 247.5 0.0679 0.0152 0.0062
-0.5 262.5 0.0436 0.0091 0.0089
-0.5 277.5 0.0342 0.0101 0.0062
-0.5 292.5 0.0723 0.0167 0.0042
-0.5 307.5 0.0606 0.0207 0.0076
-0.5 322.5 0.0851 0.0266 0.0139
-0.5 337.5 0.0616 0.0296 0.0236
-0.5 352.5 0.0378 0.0177 0.0121
-0.3 7.5 0.0623 0.0697 0.0031
-0.3 22.5 0.0714 0.0222 0.0175
-0.3 37.5 0.089 0.0218 0.0327
-0.3 52.5 0.101 0.0279 0.0086
-0.3 67.5 0.0889 0.0365 0.0205
-0.3 82.5 0.0866 0.0199 0.0105
-0.3 97.5 0.0842 0.0157 0.01
-0.3 112.5 0.1216 0.0237 0.0257
-0.3 127.5 0.0943 0.0199 0.0254
-0.3 142.5 0.0682 0.0162 0.0189
-0.3 157.5 0.0858 0.0219 0.0228
-0.3 172.5 0.0526 0.0096 0.0092
-0.3 187.5 0.0549 0.0104 0.009
-0.3 202.5 0.0575 0.0145 0.013
-0.3 217.5 0.0732 0.0172 0.0172
-0.3 232.5 0.0845 0.0161 0.0192
-0.3 247.5 0.098 0.0179 0.0315
-0.3 262.5 0.1012 0.0184 0.0187
-0.3 277.5 0.0665 0.0174 0.0124
-0.3 292.5 0.099 0.0422 0.0158
-0.1 22.5 0.052 0.0193 0.0127
-0.1 37.5 0.062 0.022 0.0141
-0.1 52.5 0.08 0.0274 0.0049
-0.1 67.5 0.0752 0.0231 0.0054
-0.1 82.5 0.1426 0.0287 0.0472
-0.1 97.5 0.0753 0.0141 0.0092
-0.1 112.5 0.1138 0.0183 0.0148
-0.1 127.5 0.1362 0.0243 0.0251
-0.1 142.5 0.1348 0.025 0.0322
-0.1 157.5 0.1052 0.0211 0.0206
-0.1 172.5 0.0736 0.0112 0.0172
-0.1 187.5 0.0541 0.0092 0.0096
-0.1 202.5 0.0928 0.0207 0.0164
-0.1 217.5 0.1281 0.0291 0.0311
-0.1 232.5 0.1405 0.0256 0.0241
-0.1 247.5 0.1155 0.0239 0.018
-0.1 262.5 0.0718 0.0177 0.0142
-0.1 277.5 0.1408 0.0457 0.0207
-0.1 292.5 0.1817 0.0601 0.0318
-0.1 307.5 0.1119 0.0625 0.0225
0.1 22.5 0.0685 0.0296 0.0169
0.1 52.5 0.1755 0.0479 0.0206
0.1 67.5 0.137 0.0324 0.0221
0.1 82.5 0.1223 0.0261 0.0222
0.1 97.5 0.169 0.0426 0.0344
0.1 112.5 0.1121 0.0322 0.0302
0.1 127.5 0.1718 0.0429 0.0624
0.1 142.5 0.0903 0.0236 0.0148
0.1 157.5 0.0796 0.0168 0.0203
0.1 172.5 0.0255 0.0057 0.0039
0.1 187.5 0.0366 0.0068 0.006
0.1 202.5 0.0752 0.0168 0.019
0.1 217.5 0.1116 0.0271 0.0209
0.1 232.5 0.1073 0.0327 0.0297
0.1 247.5 0.0738 0.0343 0.0119
0.1 262.5 0.1317 0.0499 0.0272
0.1 277.5 0.1797 0.0613 0.0176
0.1 292.5 0.1205 0.0318 0.0346
0.1 307.5 0.102 0.0491 0.029
0.3 22.5 0.0947 0.0896 0.0265
0.3 37.5 0.1258 0.0343 0.0255
0.3 52.5 0.1742 0.0624 0.0215
0.3 67.5 0.1407 0.0307 0.0286
0.3 82.5 0.1479 0.0351 0.0252
0.3 97.5 0.1758 0.0476 0.0377
0.3 112.5 0.2147 0.0715 0.0407
0.3 127.5 0.1377 0.0592 0.0409
0.3 142.5 0.1204 0.028 0.0301
0.3 157.5 0.0342 0.0103 0.0101
0.3 172.5 0.105 0.0142 0.0221
0.3 187.5 0.0532 0.0093 0.0111
0.3 202.5 0.0725 0.0139 0.0146
0.3 217.5 0.0633 0.0187 0.0142
0.3 232.5 0.1808 0.0561 0.0351
0.3 247.5 0.1938 0.0756 0.0467
0.3 262.5 0.141 0.0685 0.0641
0.3 277.5 0.1768 0.0521 0.0466
0.3 292.5 0.0934 0.0326 0.0135
0.3 307.5 0.1086 0.039 0.0178
0.3 322.5 0.1411 0.0557 0.0238
0.5 22.5 0.1103 0.0426 0.0234
0.5 37.5 0.1278 0.0297 0.0126
0.5 52.5 0.1842 0.0376 0.0253
0.5 67.5 0.2902 0.0574 0.041
0.5 82.5 0.2272 0.0506 0.0487
0.5 97.5 0.1583 0.0446 0.0398
0.5 112.5 0.1573 0.0476 0.0218
0.5 127.5 0.2173 0.0533 0.036
0.5 142.5 0.2104 0.05 0.0529
0.5 157.5 0.1056 0.0244 0.0228
0.5 172.5 0.1134 0.0207 0.0195
0.5 187.5 0.0883 0.0179 0.0146
0.5 202.5 0.1917 0.0407 0.0294
0.5 217.5 0.1384 0.0381 0.0217
0.5 232.5 0.1115 0.037 0.0268
0.5 247.5 0.2238 0.085 0.0484
0.5 262.5 0.1912 0.0575 0.0591
0.5 277.5 0.1256 0.035 0.0335
0.5 292.5 0.1886 0.0534 0.0207
0.5 307.5 0.1544 0.05 0.018
0.5 322.5 0.1517 0.0477 0.0142
0.5 337.5 0.1084 0.0714 0.0546
0.7 7.5 0.203 0.0672 0.0407
0.7 22.5 0.0658 0.0294 0.0268
0.7 37.5 0.2514 0.0643 0.0321
0.7 52.5 0.1994 0.0441 0.0393
0.7 67.5 0.2135 0.0494 0.0217
0.7 82.5 0.1955 0.0417 0.0294
0.7 97.5 0.221 0.0464 0.0363
0.7 112.5 0.43 0.0846 0.1115
0.7 127.5 0.3313 0.0723 0.0682
0.7 142.5 0.7074 0.1729 0.1288
0.7 157.5 0.3768 0.1177 0.0579
0.7 172.5 0.3286 0.0591 0.0579
0.7 187.5 0.2978 0.0528 0.0476
0.7 202.5 0.3725 0.0683 0.0614
0.7 217.5 0.1834 0.0349 0.04
0.7 232.5 0.4067 0.0871 0.0573
0.7 247.5 0.3142 0.072 0.0461
0.7 262.5 0.2832 0.0678 0.0482
0.7 277.5 0.2273 0.0593 0.0321
0.7 292.5 0.2019 0.1042 0.0508
0.7 307.5 0.1659 0.0539 0.0626
0.7 322.5 0.212 0.1385 0.0592
0.7 337.5 0.1038 0.0365 0.0522
0.7 352.5 0.2124 0.0543 0.0366
0.9 7.5 0.4441 0.0576 0.0557
0.9 22.5 0.387 0.0479 0.0323
0.9 37.5 0.2479 0.0369 0.0291
0.9 52.5 0.2303 0.0333 0.0315
0.9 67.5 0.2579 0.0382 0.0243
0.9 82.5 0.3277 0.099 0.0509
0.9 97.5 0.3061 0.0807 0.0467
0.9 112.5 0.296 0.0463 0.0453
0.9 127.5 0.4641 0.0687 0.0546
0.9 142.5 0.4185 0.0577 0.0666
0.9 157.5 0.2898 0.0358 0.0405
0.9 172.5 0.3023 0.0371 0.039
0.9 187.5 0.3678 0.0469 0.0605
0.9 202.5 0.3795 0.0459 0.0503
0.9 217.5 0.305 0.0411 0.0307
0.9 232.5 0.3295 0.0446 0.039
0.9 247.5 0.4267 0.0592 0.0501
0.9 262.5 0.4101 0.0607 0.0474
0.9 277.5 0.2537 0.0437 0.0199
0.9 292.5 0.3275 0.0467 0.0446
0.9 307.5 0.29 0.0423 0.032
0.9 322.5 0.2383 0.0327 0.0392
0.9 337.5 0.3301 0.0449 0.0281
0.9 352.5 0.311 0.0427 0.0386