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Measurement E8M53

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Experiment: E89-038 CLAS experiment, 1999

Spokespersons: V. Burkert, R. Minehart

Experiment comment: Beam energy 1.515 GeV. Global 5.8% scaling systematic uncertainty for all data points

Measurement comment: Global 5.8% scaling systematic uncertainty

Publication:

Quantity measured: dσ/dΩ, mcbn/sterad
Differential cross section.
Beam: e, polarization: none
Target: p (Z=1, A=1), polarization: none
Final state: π+n, polarization: none

Q2 : 0.45 — 0.55 GeV2
W : 1.2 — 1.22 GeV
Ebeam : 1.515 GeV

Select data slice:
θπ = deg

Fit φ dependence:

 Observable quantity measured (Y axis): dσ/dΩ, mcbn/sterad
Plot measurement data

Parameter (X axis): φπ, deg

Click here to get data in text file, delimited with tabs.

Click here to get calculated fit coefficients in text file, delimited with tabs.

Measured data:

θπ,
deg 		φπ,
deg 		dσ/dΩ,
mcbn/sterad 		Data errors,
mcbn/sterad 		Systematic errors,
mcbn/sterad
7.5 105 11.75 2.386 1.003
7.5 135 8.734 1.499 0.9472
7.5 165 7.782 1.04 0.9547
7.5 195 8.652 1.219 0.94
7.5 225 7.257 0.9795 0.9104
7.5 255 6.756 1.126 0.9223
7.5 285 6.138 2.236 0.897
22.5 15 8.175 1.307 0.7838
22.5 75 7.234 1.748 0.7643
22.5 105 10.1 0.9552 0.795
22.5 135 11.94 0.9033 0.8435
22.5 165 8.907 0.6561 0.787
22.5 195 11.3 0.7449 0.8005
22.5 225 8.859 0.6823 0.7627
22.5 255 11.19 1.011 0.8198
22.5 285 7.71 2.604 0.7708
22.5 345 7.416 1.17 0.7516
37.5 15 6.608 1.166 0.9694
37.5 75 6.77 1.058 0.9859
37.5 105 10 0.8216 1.011
37.5 135 12.3 0.7133 1.05
37.5 165 9.29 0.5162 0.9869
37.5 195 10.02 0.5499 1.014
37.5 225 10.58 0.6351 1.023
37.5 255 10.58 0.8642 1.012
37.5 285 10.66 2.058 1.015
37.5 315 6.356 3.693 0.9855
37.5 345 6.175 2.385 0.9576
52.5 45 11.83 2.487 0.8394
52.5 75 11.88 0.7473 0.895
52.5 105 14.75 0.9013 0.9548
52.5 135 12.21 0.7739 0.8965
52.5 165 10.1 0.4966 0.8528
52.5 195 10.18 0.4944 0.8562
52.5 225 13.16 0.7757 0.9179
52.5 255 13.17 0.848 0.9154
52.5 285 11.54 0.6912 0.861
52.5 315 9.228 1.848 0.8218
67.5 45 13.52 2.393 0.9681
67.5 75 14.96 0.6053 1.03
67.5 105 15.14 0.7602 1.015
67.5 135 13.26 0.7851 1.034
67.5 165 10.87 0.5358 0.971
67.5 195 10.46 0.5433 0.9638
67.5 225 12.96 0.7661 1
67.5 255 15.12 0.7152 1.046
67.5 285 15.39 0.5917 1.063
67.5 315 12.01 1.483 0.9609
82.5 45 10.49 0.8647 0.9365
82.5 75 14.51 0.5697 1.004
82.5 105 16.89 0.7034 1.043
82.5 135 16.39 0.9376 1.03
82.5 165 10.3 0.5079 0.9208
82.5 195 9.393 0.4848 0.8926
82.5 225 13.06 0.8235 0.9851
82.5 255 16.45 0.649 1.068
82.5 285 16.18 0.6069 1.024
82.5 315 13.23 4.42 0.9498
97.5 15 6.452 0.7044 0.804
97.5 45 11.2 0.6702 0.8697
97.5 75 16.76 0.7725 0.9747
97.5 105 18.01 0.7133 1.021
97.5 135 13.55 0.6899 0.9345
97.5 165 8.918 0.4676 0.8516
97.5 195 8.763 0.4501 0.835
97.5 225 14.03 0.7352 0.9536
97.5 255 17.17 0.6797 1.017
97.5 285 16.33 0.7098 0.9912
97.5 315 11.53 0.6769 0.8938
97.5 345 6.015 0.5706 0.7924
112.5 15 5.332 0.6116 0.7504
112.5 45 11.47 0.5752 0.8484
112.5 75 14.48 0.854 0.9303
112.5 105 15.52 0.6247 0.9675
112.5 135 11.26 0.6605 0.8429
112.5 165 6.958 0.4617 0.7711
112.5 195 7.984 0.57 0.7966
112.5 225 10.8 0.6724 0.8329
112.5 255 14.86 0.5769 0.9489
112.5 285 16.57 0.991 0.9942
112.5 315 11.27 0.5714 0.8382
112.5 345 8.323 1.19 0.8018
127.5 15 8.019 0.6741 0.7169
127.5 45 10.5 0.5926 0.7552
127.5 75 13.2 0.7957 0.833
127.5 105 12.28 0.6588 0.813
127.5 135 9.922 0.7457 0.7754
127.5 165 7.089 0.7838 0.6999
127.5 195 5.778 0.6455 0.6725
127.5 225 9.274 0.6914 0.7456
127.5 255 11.44 0.6096 0.7854
127.5 285 11.88 0.7377 0.8012
127.5 315 10.4 0.6216 0.7409
127.5 345 6.821 0.6884 0.6835
142.5 15 6.878 0.6945 0.7995
142.5 45 8.271 0.6321 0.8247
142.5 75 10.56 0.7696 0.9061
142.5 105 10.25 1.13 0.8743
142.5 255 11.96 1.453 0.9581
142.5 285 10.5 0.8322 0.8825
142.5 315 9.513 0.7846 0.8577
142.5 345 6.518 0.7252 0.8003
157.5 15 9.078 1.801 1.233
157.5 45 10.34 1.714 1.222
157.5 315 14.19 3.399 1.302
157.5 345 13.7 2.644 1.285