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Measurement E141M37

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: 2.2 GeV2
W: 1.735 GeV
Ebeam: 5.499 GeV
Publication:

Slice: cos(θ) =

Measurement data
cos(θ) φ, [degree] dσ/dΩ, [μb/rad] uncertainty
-0.9 15.0 0.2188 0.036
-0.9 45.0 0.2688 0.0448
-0.9 75.0 0.3037 0.0588
-0.9 105.0 0.2876 0.0536
-0.9 135.0 0.2733 0.0874
-0.9 165.0 0.1779 0.0465
-0.9 195.0 0.1547 0.0442
-0.9 225.0 0.1762 0.0396
-0.9 255.0 0.2293 0.0517
-0.9 285.0 0.2892 0.068
-0.9 315.0 0.2746 0.046
-0.9 345.0 0.2801 0.049
-0.7 15.0 0.2173 0.0407
-0.7 45.0 0.1953 0.0298
-0.7 75.0 0.1823 0.0296
-0.7 105.0 0.2043 0.0302
-0.7 135.0 0.1244 0.0198
-0.7 165.0 0.1648 0.0267
-0.7 195.0 0.1174 0.0241
-0.7 225.0 0.1285 0.0219
-0.7 255.0 0.1346 0.0179
-0.7 285.0 0.1799 0.0311
-0.7 315.0 0.1527 0.0202
-0.7 345.0 0.198 0.0406
-0.5 15.0 0.2073 0.0608
-0.5 45.0 0.2299 0.0358
-0.5 75.0 0.2082 0.0305
-0.5 105.0 0.2496 0.0293
-0.5 135.0 0.2356 0.0305
-0.5 165.0 0.1604 0.0224
-0.5 195.0 0.191 0.0261
-0.5 225.0 0.2026 0.0247
-0.5 255.0 0.2311 0.0261
-0.5 285.0 0.2436 0.0347
-0.5 315.0 0.2159 0.0403
-0.5 345.0 0.19 0.0478
-0.3 15.0 0.1557 0.034
-0.3 45.0 0.3056 0.0569
-0.3 75.0 0.4362 0.0556
-0.3 105.0 0.4082 0.0443
-0.3 135.0 0.3477 0.0422
-0.3 165.0 0.2506 0.0254
-0.3 195.0 0.2351 0.025
-0.3 225.0 0.297 0.0335
-0.3 255.0 0.3199 0.0346
-0.3 285.0 0.3802 0.0425
-0.1 15.0 0.167 0.0355
-0.1 45.0 0.4538 0.0836
-0.1 75.0 0.697 0.0742
-0.1 105.0 0.7069 0.0748
-0.1 135.0 0.4457 0.0588
-0.1 165.0 0.3858 0.0325
-0.1 195.0 0.3912 0.0353
-0.1 225.0 0.4408 0.0503
-0.1 255.0 0.7181 0.0708
-0.1 285.0 0.5817 0.0678
0.1 15.0 0.226 0.0759
0.1 45.0 0.5398 0.0679
0.1 75.0 0.9349 0.0975
0.1 105.0 0.6057 0.0647
0.1 165.0 0.3527 0.0332
0.1 195.0 0.3722 0.0355
0.1 225.0 0.5417 0.06
0.1 255.0 0.7661 0.079
0.1 285.0 0.7763 0.0953
0.1 315.0 0.6774 0.1129
0.3 15.0 0.1061 0.0196
0.3 45.0 0.5782 0.0536
0.3 75.0 0.8038 0.07
0.3 105.0 0.7835 0.0759
0.3 135.0 0.4046 0.0432
0.3 165.0 0.2837 0.0231
0.3 195.0 0.3156 0.0255
0.3 225.0 0.5545 0.0592
0.3 255.0 0.6475 0.0645
0.3 285.0 0.7483 0.0842
0.3 315.0 0.4615 0.0494
0.3 345.0 0.3448 0.0776
0.5 15.0 0.2491 0.036
0.5 45.0 0.4633 0.0486
0.5 75.0 0.8089 0.082
0.5 105.0 0.9891 0.1179
0.5 135.0 0.5069 0.055
0.5 165.0 0.3104 0.0297
0.5 195.0 0.2452 0.0234
0.5 225.0 0.495 0.0545
0.5 255.0 0.8494 0.117
0.5 285.0 0.862 0.102
0.5 315.0 0.5036 0.0581
0.5 345.0 0.2697 0.0471
0.7 15.0 0.2954 0.0314
0.7 45.0 0.4416 0.0482
0.7 75.0 0.6512 0.0655
0.7 105.0 0.9856 0.1137
0.7 135.0 0.5843 0.0722
0.7 165.0 0.5243 0.0531
0.7 195.0 0.6128 0.062
0.7 225.0 0.7319 0.1001
0.7 255.0 0.8402 0.1066
0.7 285.0 0.6156 0.0699
0.7 315.0 0.4202 0.0522
0.7 345.0 0.3012 0.0309
0.9 15.0 0.6009 0.0478
0.9 45.0 0.55 0.0473
0.9 75.0 0.5991 0.0503
0.9 105.0 0.712 0.0631
0.9 135.0 0.7362 0.0737
0.9 165.0 0.6778 0.0677
0.9 195.0 0.7768 0.0755
0.9 225.0 0.7047 0.07
0.9 255.0 0.6516 0.059
0.9 285.0 0.6139 0.0551
0.9 315.0 0.5294 0.0467
0.9 345.0 0.5648 0.046
Created in SINP MSU, CLAS Collaboration