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Measurement E41M4

Experiment: E99-107 CLAS experiment for generalized form factor near threshold
Year: 2005
Spokespersons: V. D. Burkert, R. Minehart
Reaction: ep → π+n
Polarization: beam
Quantity: dσ/dΩ
Q2: 3.17 — 3.79 GeV2
W: 1.1 — 1.12 GeV
ε: 0.843
Publication:
K.Park, R.W.Gothe, and CLAS Collaboration Measurement of the generalized form factors near threshold via γ* p -> nπ+ at high Q2 // Phys. Rev. C 85, 035208 (2012); arXiv:1201.0903v1

Slice: cos(θ) = dimensionless

Measurement data
cos(θ) φ, [deg] dσ/dΩ, [μb/sr] uncertainty syst. uncert.
-0.7 90.0 0.02143 0.01131 0.01131
-0.7 150.0 0.014841 0.0083543 0.008354
-0.7 210.0 0.021133 0.012362 0.01236
-0.7 270.0 0.014363 0.0069185 0.006919
-0.5 30.0 0.025807 0.010561 0.01056
-0.5 90.0 0.05017 0.021372 0.02137
-0.5 150.0 0.050125 0.024002 0.024
-0.5 210.0 0.038864 0.016563 0.01656
-0.5 270.0 0.044222 0.018954 0.01895
-0.3 30.0 0.031993 0.012362 0.01236
-0.3 90.0 0.030723 0.0106 0.0106
-0.3 150.0 0.043164 0.015491 0.01549
-0.3 210.0 0.05122 0.019628 0.01963
-0.3 270.0 0.073515 0.027549 0.02755
-0.1 15.0 0.034169 0.014122 0.0205
-0.1 75.0 0.015185 0.0061085 0.009111
-0.1 105.0 0.074308 0.023489 0.04458
-0.1 135.0 0.027494 0.009107 0.0165
-0.1 165.0 0.040804 0.011253 0.02448
-0.1 195.0 0.030739 0.0086741 0.006809
-0.1 225.0 0.052416 0.016026 0.003384
-0.1 255.0 0.059226 0.016105 0.03554
-0.1 285.0 0.030738 0.010266 0.01844
-0.1 315.0 0.027955 0.014202 0.01677
0.1 15.0 0.076275 0.032321 0.04577
0.1 45.0 0.08737 0.047504 0.05242
0.1 75.0 0.082412 0.026272 0.04945
0.1 105.0 0.081011 0.027162 0.04861
0.1 135.0 0.16016 0.044775 0.0961
0.1 165.0 0.052111 0.014026 0.04312
0.1 195.0 0.21785 0.06082 0.06535
0.1 225.0 0.066122 0.017106 0.03967
0.1 255.0 0.075192 0.020297 0.04512
0.1 285.0 0.068208 0.022239 0.053
0.1 315.0 0.062898 0.026321 0.03774
0.1 345.0 0.075931 0.03792 0.04556
0.3 15.0 0.056834 0.019417 0.0341
0.3 45.0 0.18066 0.06581 0.0542
0.3 75.0 0.11267 0.034981 0.0676
0.3 105.0 0.18753 0.049852 0.05626
0.3 135.0 0.045023 0.012647 0.02701
0.3 165.0 0.2262 0.062127 0.06786
0.3 195.0 0.18237 0.050895 0.06328
0.3 225.0 0.18439 0.044507 0.05532
0.3 255.0 0.17292 0.045066 0.05188
0.3 285.0 0.10955 0.033673 0.06573
0.3 315.0 0.22395 0.068579 0.06718
0.3 345.0 0.065231 0.027002 0.03914
0.5 15.0 0.084084 0.025907 0.05045
0.5 45.0 0.057387 0.019124 0.03443
0.5 75.0 0.16399 0.04794 0.09839
0.5 105.0 0.15842 0.043047 0.09505
0.5 135.0 0.12905 0.031534 0.07743
0.5 165.0 0.072431 0.018389 0.04346
0.5 195.0 0.12939 0.033439 0.0517
0.5 225.0 0.059476 0.018865 0.003614
0.5 255.0 0.16173 0.039635 0.01656
0.5 285.0 0.13235 0.037222 0.08436
0.5 315.0 0.083945 0.027958 0.05037
0.5 345.0 0.054876 0.022454 0.03293
0.7 15.0 0.090995 0.025933 0.0546
0.7 45.0 0.19008 0.054091 0.05702
0.7 75.0 0.23237 0.063124 0.06971
0.7 105.0 0.1243 0.035157 0.07458
0.7 135.0 0.10419 0.029258 0.06251
0.7 165.0 0.20155 0.050012 0.06046
0.7 195.0 0.11622 0.02921 0.03744
0.7 225.0 0.30958 0.075479 0.09287
0.7 255.0 0.26837 0.06738 0.08051
0.7 285.0 0.094088 0.024563 0.05645
0.7 315.0 0.18154 0.056658 0.05446
0.7 345.0 0.30702 0.085766 0.09211
0.9 15.0 0.085018 0.02849 0.05101
0.9 45.0 0.12947 0.039 0.07768
0.9 75.0 0.18431 0.052115 0.05529
0.9 105.0 0.075872 0.018464 0.04552
0.9 135.0 0.18276 0.045774 0.05483
0.9 165.0 0.29696 0.077036 0.08909
0.9 195.0 0.24628 0.064346 0.05963
0.9 225.0 0.42523 0.10219 0.1276
0.9 255.0 0.16485 0.041838 0.09891
0.9 285.0 0.12063 0.030431 0.07238
0.9 315.0 0.11465 0.031093 0.06879
0.9 345.0 0.15718 0.043396 0.09431
Created in SINP MSU, CLAS Collaboration