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Measurement E141M67

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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 : 2.6 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 0.0575 0.0175 0.0081
-0.9 22.5 0.0822 0.0297 0.0074
-0.9 37.5 0.0379 0.0217 0.0077
-0.9 52.5 0.0862 0.0263 0.0344
-0.9 67.5 0.0571 0.0243 0.0088
-0.9 82.5 0.0808 0.0295 0.0239
-0.9 97.5 0.1216 0.0417 0.036
-0.9 112.5 0.1 0.0282 0.0157
-0.9 127.5 0.0577 0.0196 0.015
-0.9 142.5 0.0506 0.0168 0.0066
-0.9 157.5 0.0405 0.0149 0.0081
-0.9 172.5 0.0402 0.0135 0.0078
-0.9 187.5 0.0403 0.0142 0.0058
-0.9 202.5 0.0359 0.0158 0.0099
-0.9 217.5 0.0485 0.0205 0.0034
-0.9 232.5 0.0837 0.025 0.0077
-0.9 247.5 0.0519 0.0176 0.0043
-0.9 262.5 0.0998 0.0402 0.0252
-0.9 277.5 0.0701 0.0322 0.0031
-0.9 292.5 0.0808 0.0254 0.0113
-0.9 307.5 0.09 0.0261 0.0099
-0.9 322.5 0.0981 0.0315 0.0129
-0.9 337.5 0.0792 0.0246 0.0403
-0.9 352.5 0.079 0.0208 0.0134
-0.7 7.5 0.0916 0.0213 0.0192
-0.7 22.5 0.0929 0.0243 0.0146
-0.7 37.5 0.0846 0.0213 0.0033
-0.7 52.5 0.0972 0.0197 0.0118
-0.7 67.5 0.1034 0.0235 0.0131
-0.7 82.5 0.1017 0.0238 0.0218
-0.7 97.5 0.0771 0.0177 0.0109
-0.7 112.5 0.0807 0.024 0.0078
-0.7 127.5 0.038 0.0098 0.0027
-0.7 142.5 0.0397 0.011 0.0121
-0.7 157.5 0.0683 0.0185 0.0109
-0.7 172.5 0.0551 0.0135 0.0141
-0.7 187.5 0.0422 0.0129 0.0073
-0.7 202.5 0.0523 0.0136 0.0096
-0.7 217.5 0.0575 0.0159 0.0179
-0.7 232.5 0.0443 0.0115 0.0036
-0.7 247.5 0.0614 0.0134 0.01
-0.7 262.5 0.1104 0.0219 0.0231
-0.7 277.5 0.105 0.0321 0.0232
-0.7 292.5 0.0644 0.0173 0.0158
-0.7 307.5 0.1038 0.021 0.0131
-0.7 322.5 0.1152 0.0237 0.0111
-0.7 337.5 0.082 0.0197 0.0171
-0.7 352.5 0.0622 0.0164 0.0126
-0.5 7.5 0.0648 0.0168 0.0076
-0.5 22.5 0.0564 0.02 0.0135
-0.5 37.5 0.0535 0.0148 0.0115
-0.5 52.5 0.06 0.0153 0.0088
-0.5 67.5 0.0519 0.0158 0.0149
-0.5 82.5 0.0701 0.0187 0.025
-0.5 97.5 0.0687 0.0151 0.0059
-0.5 112.5 0.0577 0.0127 0.0026
-0.5 127.5 0.0258 0.007 0.0025
-0.5 142.5 0.0481 0.0104 0.0279
-0.5 157.5 0.0106 0.0041 0.0013
-0.5 172.5 0.0232 0.0062 0.0055
-0.5 187.5 0.0291 0.0074 0.0069
-0.5 202.5 0.0345 0.009 0.0029
-0.5 217.5 0.0424 0.0095 0.0099
-0.5 232.5 0.0372 0.0096 0.0084
-0.5 247.5 0.056 0.0116 0.0067
-0.5 262.5 0.0717 0.0147 0.0124
-0.5 277.5 0.0514 0.014 0.012
-0.5 292.5 0.0684 0.0187 0.0029
-0.5 307.5 0.0687 0.017 0.0092
-0.5 322.5 0.0875 0.025 0.0035
-0.5 337.5 0.0585 0.0274 0.0019
-0.5 352.5 0.0584 0.0172 0.0017
-0.3 22.5 0.0805 0.0242 0.0023
-0.3 37.5 0.1098 0.0273 0.0177
-0.3 52.5 0.125 0.04 0.0262
-0.3 67.5 0.0959 0.0269 0.0135
-0.3 82.5 0.0468 0.0128 0.0129
-0.3 97.5 0.0898 0.0166 0.0148
-0.3 112.5 0.0576 0.0126 0.0119
-0.3 127.5 0.0703 0.0145 0.012
-0.3 142.5 0.0533 0.0115 0.019
-0.3 157.5 0.0218 0.0062 0.0068
-0.3 172.5 0.0296 0.0061 0.0067
-0.3 187.5 0.0387 0.0069 0.0074
-0.3 202.5 0.0423 0.0092 0.0099
-0.3 217.5 0.0414 0.0099 0.0131
-0.3 232.5 0.0494 0.0103 0.0093
-0.3 247.5 0.0689 0.0134 0.01
-0.3 262.5 0.0717 0.0152 0.0218
-0.3 277.5 0.0627 0.0138 0.012
-0.3 292.5 0.1208 0.0385 0.0194
-0.3 307.5 0.0488 0.0315 0.0119
-0.1 22.5 0.091 0.0272 0.0151
-0.1 52.5 0.1451 0.0419 0.0717
-0.1 67.5 0.1416 0.0423 0.1004
-0.1 82.5 0.1345 0.0276 0.0216
-0.1 97.5 0.1067 0.0204 0.0179
-0.1 112.5 0.0741 0.0143 0.0093
-0.1 127.5 0.0436 0.0108 0.0158
-0.1 142.5 0.0717 0.0135 0.01
-0.1 157.5 0.056 0.011 0.0163
-0.1 172.5 0.0465 0.0077 0.0076
-0.1 187.5 0.0488 0.0075 0.0061
-0.1 202.5 0.05 0.0096 0.0074
-0.1 217.5 0.0575 0.0117 0.0187
-0.1 232.5 0.112 0.0212 0.0187
-0.1 247.5 0.0947 0.0122 0.0171
-0.1 262.5 0.177 0.0204 0.0237
-0.1 277.5 0.088 0.0276 0.0146
-0.1 292.5 0.0922 0.0408 0.0065
0.1 37.5 0.1244 0.0542 0.0525
0.1 52.5 0.0773 0.0359 0.0312
0.1 67.5 0.0758 0.0263 0.0185
0.1 82.5 0.0858 0.0297 0.0216
0.1 97.5 0.1289 0.0333 0.0309
0.1 112.5 0.1044 0.0274 0.0228
0.1 127.5 0.0771 0.0214 0.0144
0.1 142.5 0.0835 0.0179 0.0135
0.1 157.5 0.0462 0.01 0.0087
0.1 172.5 0.0571 0.0097 0.0096
0.1 187.5 0.0498 0.0088 0.011
0.1 202.5 0.0491 0.0102 0.009
0.1 217.5 0.0979 0.0203 0.0177
0.1 232.5 0.0693 0.02 0.0106
0.1 247.5 0.1502 0.045 0.0222
0.1 277.5 0.1707 0.065 0.0534
0.1 292.5 0.0541 0.0487 0.0156
0.3 37.5 0.0528 0.0224 0.0211
0.3 52.5 0.1134 0.0532 0.0152
0.3 67.5 0.1374 0.0352 0.0246
0.3 82.5 0.1563 0.0496 0.0165
0.3 97.5 0.0984 0.0343 0.0191
0.3 112.5 0.1617 0.0755 0.0361
0.3 127.5 0.1456 0.0357 0.0251
0.3 142.5 0.0575 0.0155 0.0156
0.3 157.5 0.0535 0.0117 0.0091
0.3 172.5 0.0967 0.0132 0.0156
0.3 187.5 0.1086 0.0142 0.0183
0.3 202.5 0.0565 0.0129 0.0077
0.3 217.5 0.1067 0.0227 0.0171
0.3 232.5 0.073 0.0243 0.0162
0.3 247.5 0.1382 0.1007 0.0253
0.3 262.5 0.2294 0.1083 0.1157
0.3 277.5 0.2435 0.097 0.0829
0.3 292.5 0.1008 0.0467 0.0352
0.3 307.5 0.2008 0.0854 0.0298
0.3 322.5 0.0535 0.0936 0.0186
0.5 22.5 0.0624 0.0276 0.013
0.5 37.5 0.0687 0.0186 0.0197
0.5 52.5 0.1749 0.037 0.0223
0.5 67.5 0.2997 0.0552 0.0508
0.5 82.5 0.2407 0.0449 0.0271
0.5 97.5 0.2729 0.063 0.0273
0.5 112.5 0.2791 0.0674 0.0663
0.5 127.5 0.3129 0.0727 0.0212
0.5 142.5 0.2122 0.0499 0.0402
0.5 157.5 0.2045 0.0441 0.0234
0.5 172.5 0.1362 0.0259 0.0188
0.5 187.5 0.1522 0.0296 0.0228
0.5 202.5 0.1819 0.0386 0.0408
0.5 217.5 0.1874 0.0743 0.0253
0.5 232.5 0.2727 0.0638 0.0372
0.5 247.5 0.2382 0.0747 0.0813
0.5 262.5 0.2615 0.0694 0.0903
0.5 277.5 0.2788 0.0743 0.0383
0.5 292.5 0.1749 0.0531 0.0441
0.5 307.5 0.2883 0.0843 0.0291
0.5 322.5 0.1514 0.0444 0.0242
0.7 7.5 0.0763 0.0269 0.0144
0.7 22.5 0.1957 0.0557 0.0292
0.7 37.5 0.1866 0.0439 0.0552
0.7 52.5 0.2095 0.0425 0.0273
0.7 67.5 0.1777 0.0412 0.0164
0.7 82.5 0.3308 0.0587 0.0322
0.7 97.5 0.519 0.0987 0.1522
0.7 112.5 0.3823 0.0737 0.093
0.7 127.5 0.6167 0.0683 0.1053
0.7 142.5 0.6454 0.0711 0.0852
0.7 157.5 0.7931 0.1721 0.1043
0.7 172.5 0.6239 0.1164 0.0805
0.7 187.5 0.5636 0.112 0.0862
0.7 202.5 0.6431 0.1263 0.0978
0.7 217.5 0.4905 0.0631 0.0714
0.7 232.5 0.3938 0.0748 0.0564
0.7 247.5 0.5571 0.0852 0.0714
0.7 262.5 0.293 0.0732 0.0556
0.7 277.5 0.1578 0.0432 0.0359
0.7 292.5 0.1573 0.0451 0.0156
0.7 307.5 0.1526 0.0428 0.0677
0.7 322.5 0.1778 0.0492 0.0356
0.7 337.5 0.1394 0.0424 0.0107
0.7 352.5 0.1109 0.0309 0.0246
0.9 7.5 0.3996 0.0461 0.0563
0.9 22.5 0.252 0.0301 0.0289
0.9 37.5 0.2539 0.0322 0.0368
0.9 52.5 0.3313 0.0425 0.0248
0.9 67.5 0.5261 0.064 0.086
0.9 82.5 0.4185 0.0575 0.0521
0.9 97.5 0.5269 0.0683 0.066
0.9 112.5 0.5089 0.0655 0.0705
0.9 127.5 0.3277 0.0399 0.0432
0.9 142.5 0.3937 0.0451 0.0348
0.9 157.5 0.4465 0.0494 0.0559
0.9 172.5 0.3119 0.0333 0.0369
0.9 187.5 0.4121 0.0456 0.0568
0.9 202.5 0.3429 0.04 0.0432
0.9 217.5 0.2948 0.0352 0.0364
0.9 232.5 0.3955 0.0463 0.0437
0.9 247.5 0.4384 0.0537 0.0636
0.9 262.5 0.4562 0.0671 0.0527
0.9 277.5 0.4652 0.0628 0.0638
0.9 292.5 0.3458 0.0457 0.0328
0.9 307.5 0.4134 0.049 0.0525
0.9 322.5 0.3168 0.0402 0.0374
0.9 337.5 0.2905 0.0338 0.0305
0.9 352.5 0.3729 0.0401 0.0479