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Measurement E141M72

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

Experiment comment:

polarization of electron beam : ~80%
Spokespersons: K. Park, V.D. Burkert, I.G. Aznauryan
Reaction: ep → π+n
Polarization: beam
Quantity: dσ/dΩ
Q2: 3.15 GeV2
W: 1.625 GeV
Ebeam: 5.499 GeV
Publication:

Slice: cos(θ) =

Measurement data
cos(θ) φ, [degree] dσ/dΩ, [μb/rad] uncertainty syst. uncert.
-0.9 45.0 0.2173 0.0475 0.011
-0.9 75.0 0.3947 0.1097 0.0356
-0.9 105.0 0.3529 0.0805 0.0439
-0.9 135.0 0.4461 0.0852 0.0598
-0.9 165.0 0.4307 0.0748 0.0588
-0.9 195.0 0.3841 0.0733 0.0547
-0.9 225.0 0.4015 0.0738 0.0554
-0.9 255.0 0.3975 0.0929 0.0492
-0.9 285.0 0.3333 0.0856 0.0352
-0.7 45.0 0.2113 0.0426 0.0092
-0.7 75.0 0.2196 0.0447 0.0216
-0.7 105.0 0.4728 0.0777 0.0582
-0.7 135.0 0.4088 0.0679 0.049
-0.7 165.0 0.396 0.0629 0.0357
-0.7 195.0 0.3633 0.0603 0.0344
-0.7 225.0 0.398 0.0694 0.0464
-0.7 255.0 0.4506 0.0737 0.0553
-0.7 285.0 0.3283 0.0646 0.032
-0.7 315.0 0.0779 0.016 0.0024
-0.5 15.0 0.4058 0.1022 0.0085
-0.5 45.0 0.5002 0.1084 0.0051
-0.5 75.0 0.4522 0.081 0.0078
-0.5 105.0 0.4914 0.0779 0.0066
-0.5 135.0 0.3936 0.0574 0.0146
-0.5 165.0 0.3394 0.0473 0.013
-0.5 195.0 0.3054 0.0465 0.0125
-0.5 225.0 0.3586 0.0537 0.0086
-0.5 255.0 0.4652 0.0693 0.0047
-0.5 285.0 0.5161 0.0848 0.0146
-0.5 315.0 0.2527 0.0631 0.0039
-0.3 15.0 0.4173 0.1325 0.0171
-0.3 45.0 0.4985 0.1163 0.0176
-0.3 75.0 0.4489 0.071 0.0086
-0.3 105.0 0.5491 0.0813 0.0194
-0.3 135.0 0.3852 0.0526 0.0325
-0.3 165.0 0.3992 0.0562 0.0454
-0.3 195.0 0.3824 0.0535 0.0447
-0.3 225.0 0.4075 0.0595 0.0349
-0.3 255.0 0.4965 0.0653 0.0176
-0.3 285.0 0.4037 0.0717 0.0137
-0.3 315.0 0.4502 0.1375 0.0179
-0.1 15.0 0.0532 0.0256 0.0021
-0.1 45.0 0.2857 0.0679 0.0061
-0.1 75.0 0.3595 0.0626 0.0055
-0.1 105.0 0.4249 0.0658 0.0203
-0.1 135.0 0.4003 0.058 0.0286
-0.1 165.0 0.3723 0.0484 0.0304
-0.1 195.0 0.4697 0.061 0.0381
-0.1 225.0 0.4505 0.0686 0.0194
-0.1 255.0 0.4604 0.0693 0.0106
-0.1 285.0 0.4074 0.0943 0.0067
0.1 15.0 0.1913 0.0921 0.0076
0.1 45.0 0.3696 0.073 0.0116
0.1 75.0 0.4644 0.0784 0.0124
0.1 105.0 0.298 0.0513 0.0073
0.1 135.0 0.2977 0.048 0.0028
0.1 165.0 0.3213 0.0382 0.0059
0.1 195.0 0.3486 0.0434 0.004
0.1 225.0 0.3045 0.0449 0.0025
0.1 255.0 0.3556 0.0646 0.0089
0.1 285.0 0.4118 0.0852 0.0111
0.1 315.0 0.3534 0.0809 0.0104
0.3 15.0 0.448 0.175 0.022
0.3 45.0 0.4362 0.0647 0.0133
0.3 75.0 0.4687 0.0657 0.0141
0.3 105.0 0.4619 0.0713 0.0186
0.3 135.0 0.316 0.0456 0.0251
0.3 165.0 0.2456 0.0275 0.011
0.3 195.0 0.2266 0.0249 0.0176
0.3 225.0 0.3182 0.0446 0.012
0.3 255.0 0.3362 0.0616 0.0109
0.3 285.0 0.4361 0.085 0.0257
0.3 315.0 0.5435 0.1114 0.0167
0.3 345.0 0.5935 0.1897 0.0225
0.5 15.0 0.3141 0.0728 0.0107
0.5 45.0 0.4668 0.0833 0.0116
0.5 75.0 0.5267 0.0772 0.0109
0.5 105.0 0.4929 0.0807 0.0567
0.5 135.0 0.4442 0.0732 0.0259
0.5 165.0 0.3007 0.041 0.0243
0.5 195.0 0.2545 0.032 0.0231
0.5 225.0 0.4552 0.0825 0.0233
0.5 255.0 0.4845 0.0935 0.0166
0.5 285.0 0.4152 0.0701 0.02
0.5 315.0 0.6023 0.1404 0.019
0.5 345.0 0.2322 0.0701 0.0075
0.7 15.0 0.4238 0.0629 0.0132
0.7 45.0 0.374 0.0644 0.0091
0.7 75.0 0.4182 0.057 0.0202
0.7 105.0 0.4214 0.0694 0.0238
0.7 135.0 0.4012 0.066 0.0255
0.7 165.0 0.3671 0.0658 0.026
0.7 195.0 0.2962 0.0491 0.023
0.7 225.0 0.3621 0.0582 0.0144
0.7 255.0 0.3801 0.0608 0.0128
0.7 285.0 0.3716 0.0603 0.0073
0.7 315.0 0.3616 0.0621 0.0117
0.7 345.0 0.4376 0.0671 0.0211
0.9 15.0 0.3615 0.0456 0.0043
0.9 45.0 0.3536 0.0505 0.0046
0.9 75.0 0.3448 0.0451 0.0146
0.9 105.0 0.3439 0.0464 0.0057
0.9 135.0 0.267 0.0395 0.0154
0.9 165.0 0.3312 0.0439 0.0174
0.9 195.0 0.3464 0.0517 0.0249
0.9 225.0 0.3663 0.0526 0.0161
0.9 255.0 0.3207 0.0448 0.0088
0.9 285.0 0.3405 0.0429 0.0367
0.9 315.0 0.3159 0.0412 0.0097
0.9 345.0 0.3707 0.049 0.0309
Created in SINP MSU, CLAS Collaboration