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Measurement E141M111

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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 : 4 GeV2
W : 1.78 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

Click here to view sliced data.

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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 0.064 0.0281 0.0245
-0.9 22.5 0.0675 0.0265 0.0116
-0.9 37.5 0.115 0.0424 0.0333
-0.9 67.5 0.0609 0.0267 0.0108
-0.9 277.5 0.0727 0.0422 0.0171
-0.9 292.5 0.1054 0.0647 0.0233
-0.9 307.5 0.0351 0.0158 0.0043
-0.9 322.5 0.0418 0.0196 0.0055
-0.9 337.5 0.0651 0.0257 0.0209
-0.9 352.5 0.0448 0.0205 0.0304
-0.7 7.5 0.0539 0.0254 0.0146
-0.7 37.5 0.0334 0.0131 0.0129
-0.7 52.5 0.042 0.0172 0.0109
-0.7 67.5 0.0443 0.0277 0.0264
-0.7 112.5 0.0669 0.0257 0.0421
-0.7 127.5 0.0747 0.0473 0.0183
-0.7 142.5 0.0175 0.007 0.007
-0.7 232.5 0.0601 0.0211 0.014
-0.7 247.5 0.0424 0.0146 0.0048
-0.7 262.5 0.0793 0.0248 0.0164
-0.7 277.5 0.0438 0.0154 0.0114
-0.7 292.5 0.0221 0.0097 0.0077
-0.7 322.5 0.0166 0.0113 0.0017
-0.7 337.5 0.0633 0.0245 0.0095
-0.5 22.5 0.0567 0.0287 0.0122
-0.5 37.5 0.0615 0.0251 0.0161
-0.5 52.5 0.0833 0.0293 0.0069
-0.5 67.5 0.0616 0.0211 0.0216
-0.5 82.5 0.0454 0.0174 0.0131
-0.5 97.5 0.0322 0.0128 0.0098
-0.5 112.5 0.0375 0.0128 0.0054
-0.5 127.5 0.0205 0.0087 0.0072
-0.5 142.5 0.0606 0.0291 0.0191
-0.5 157.5 0.0568 0.0223 0.0161
-0.5 172.5 0.0476 0.0154 0.0154
-0.5 187.5 0.0757 0.0399 0.0153
-0.5 202.5 0.0557 0.0162 0.0075
-0.5 217.5 0.1043 0.0323 0.0472
-0.5 232.5 0.079 0.027 0.0082
-0.5 247.5 0.0417 0.0126 0.0055
-0.5 262.5 0.0815 0.0219 0.009
-0.5 277.5 0.0282 0.0121 0.0026
-0.3 37.5 0.0842 0.0313 0.0062
-0.3 52.5 0.0596 0.033 0.0156
-0.3 82.5 0.1915 0.0483 0.0241
-0.3 97.5 0.0506 0.017 0.0162
-0.3 112.5 0.0857 0.0198 0.0239
-0.3 127.5 0.0627 0.018 0.0104
-0.3 142.5 0.095 0.0267 0.0245
-0.3 157.5 0.0855 0.0256 0.012
-0.3 172.5 0.0492 0.0126 0.013
-0.3 187.5 0.0811 0.0203 0.0244
-0.3 202.5 0.0728 0.0195 0.0199
-0.3 217.5 0.0696 0.0226 0.0084
-0.3 232.5 0.0832 0.0261 0.0283
-0.3 247.5 0.0973 0.0295 0.0181
-0.3 262.5 0.0571 0.0196 0.0151
-0.3 277.5 0.1274 0.0554 0.0132
-0.3 322.5 0.0475 0.0381 0.0239
-0.1 22.5 0.0469 0.0223 0.0117
-0.1 37.5 0.0603 0.0285 0.0044
-0.1 52.5 0.184 0.0681 0.026
-0.1 67.5 0.1674 0.0498 0.0369
-0.1 82.5 0.1956 0.0542 0.0397
-0.1 97.5 0.1434 0.0404 0.0292
-0.1 112.5 0.2331 0.0712 0.0703
-0.1 127.5 0.1476 0.0397 0.0503
-0.1 142.5 0.0966 0.0253 0.0192
-0.1 157.5 0.0914 0.023 0.0116
-0.1 172.5 0.0684 0.0186 0.032
-0.1 187.5 0.0503 0.0124 0.0119
-0.1 202.5 0.1022 0.0259 0.0253
-0.1 217.5 0.045 0.0157 0.0244
-0.1 232.5 0.0953 0.0278 0.0317
-0.1 247.5 0.078 0.0303 0.0502
-0.1 262.5 0.121 0.05 0.065
-0.1 292.5 0.1489 0.0817 0.015
-0.1 337.5 0.0932 0.0748 0.006
0.1 52.5 0.0737 0.0363 0.016
0.1 67.5 0.0605 0.0262 0.0131
0.1 82.5 0.0896 0.0307 0.0235
0.1 112.5 0.1266 0.0483 0.0265
0.1 142.5 0.0873 0.0302 0.017
0.1 157.5 0.0593 0.0211 0.0126
0.1 172.5 0.0409 0.0125 0.0064
0.1 187.5 0.0567 0.0147 0.0125
0.1 202.5 0.116 0.0339 0.0238
0.1 247.5 0.2272 0.0941 0.0501
0.1 262.5 0.214 0.0983 0.0242
0.3 22.5 0.0416 0.0466 0.0106
0.3 37.5 0.1116 0.0463 0.0244
0.3 52.5 0.1377 0.0484 0.0146
0.3 67.5 0.1728 0.0558 0.0309
0.3 82.5 0.1412 0.0406 0.0183
0.3 97.5 0.1555 0.0543 0.0295
0.3 112.5 0.1273 0.0484 0.0505
0.3 127.5 0.1689 0.0856 0.0303
0.3 142.5 0.1047 0.0492 0.0283
0.3 157.5 0.0623 0.0243 0.0105
0.3 172.5 0.0673 0.0172 0.0113
0.3 187.5 0.0924 0.0225 0.0116
0.3 217.5 0.0805 0.0396 0.0161
0.3 247.5 0.1013 0.043 0.0714
0.3 262.5 0.1142 0.0587 0.0121
0.3 277.5 0.1723 0.0576 0.0395
0.3 292.5 0.1811 0.0809 0.0316
0.3 307.5 0.2047 0.097 0.0357
0.3 322.5 0.113 0.0662 0.0377
0.5 22.5 0.0343 0.0376 0.0021
0.5 37.5 0.0923 0.0379 0.0139
0.5 52.5 0.0903 0.0315 0.0078
0.5 67.5 0.1007 0.0305 0.0118
0.5 82.5 0.0925 0.0298 0.0286
0.5 97.5 0.1304 0.0491 0.0268
0.5 112.5 0.1912 0.1198 0.0632
0.5 127.5 0.0799 0.0339 0.0176
0.5 142.5 0.1379 0.0485 0.0363
0.5 157.5 0.0505 0.0181 0.0183
0.5 172.5 0.1127 0.0285 0.0186
0.5 187.5 0.0877 0.0244 0.0097
0.5 202.5 0.0646 0.0237 0.0098
0.5 217.5 0.0987 0.036 0.0195
0.5 232.5 0.1036 0.0374 0.0297
0.5 262.5 0.2019 0.0943 0.0369
0.5 277.5 0.1837 0.0754 0.0283
0.5 292.5 0.1229 0.0555 0.0309
0.5 307.5 0.2249 0.1383 0.0416
0.5 322.5 0.1179 0.0504 0.045
0.7 7.5 0.1271 0.0748 0.0473
0.7 22.5 0.1596 0.0675 0.0323
0.7 37.5 0.1595 0.0758 0.0307
0.7 52.5 0.2028 0.0685 0.0557
0.7 67.5 0.3311 0.1234 0.0538
0.7 82.5 0.224 0.0511 0.0533
0.7 97.5 0.1917 0.0475 0.0279
0.7 112.5 0.2626 0.0841 0.0566
0.7 127.5 0.1799 0.0647 0.0524
0.7 142.5 0.2495 0.0686 0.034
0.7 157.5 0.2339 0.0659 0.0331
0.7 172.5 0.0835 0.018 0.0164
0.7 187.5 0.165 0.0429 0.0297
0.7 202.5 0.1548 0.0411 0.0258
0.7 217.5 0.1791 0.063 0.0346
0.7 232.5 0.1995 0.0748 0.0229
0.7 247.5 0.2881 0.2641 0.0316
0.7 262.5 0.1785 0.0539 0.0408
0.7 277.5 0.171 0.0506 0.0215
0.7 292.5 0.1284 0.1501 0.037
0.7 322.5 0.0619 0.0414 0.0042
0.7 337.5 0.1504 0.0665 0.0301
0.7 352.5 0.107 0.0556 0.0308
0.9 7.5 0.3485 0.0796 0.0256
0.9 22.5 0.3148 0.0799 0.0261
0.9 37.5 0.2202 0.0546 0.0234
0.9 52.5 0.2461 0.0539 0.0263
0.9 67.5 0.2943 0.0721 0.0398
0.9 82.5 0.2561 0.0684 0.0324
0.9 97.5 0.2975 0.0737 0.0465
0.9 112.5 0.2814 0.0855 0.0462
0.9 127.5 0.3436 0.0881 0.0294
0.9 142.5 0.4209 0.0981 0.0644
0.9 157.5 0.4122 0.0951 0.0639
0.9 172.5 0.2758 0.053 0.0505
0.9 187.5 0.2207 0.0368 0.0436
0.9 202.5 0.3354 0.0778 0.0498
0.9 217.5 0.2365 0.0498 0.0412
0.9 232.5 0.3206 0.0794 0.0528
0.9 247.5 0.3163 0.0829 0.059
0.9 262.5 0.2028 0.0491 0.0346
0.9 277.5 0.2692 0.0721 0.0257
0.9 292.5 0.3687 0.0916 0.0361
0.9 307.5 0.3489 0.0952 0.0451
0.9 322.5 0.1439 0.0403 0.027
0.9 337.5 0.3262 0.0782 0.0418
0.9 352.5 0.2942 0.0686 0.0779