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Measurement E8M83

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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 : 0.55 — 0.65 GeV2
W : 1.38 — 1.4 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 view sliced data.

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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 15 7.494 1.611 1.64
7.5 75 10.81 3.244 1.708
7.5 105 4.623 1.626 1.619
7.5 135 8.596 2.06 1.644
7.5 165 6.08 1.719 1.651
7.5 195 7.33 1.715 1.645
7.5 225 9.014 2.296 1.677
7.5 255 10.63 3.369 1.744
7.5 285 8.516 2.361 1.645
7.5 315 7.75 1.611 1.636
7.5 345 8.846 1.843 1.684
22.5 15 8.472 2.636 0.9014
22.5 45 15.34 5.769 1.041
22.5 75 9.477 3.821 0.9047
22.5 105 7.783 1.958 0.9222
22.5 135 7.556 1.8 0.8743
22.5 165 6.431 1.317 0.8791
22.5 195 4.433 0.7827 0.8629
22.5 225 7.213 1.289 0.8848
22.5 255 7.591 1.319 0.9139
22.5 285 5.796 1.466 0.8709
22.5 315 5.65 1.607 0.887
22.5 345 14.29 4.578 1.032
37.5 45 8.26 1.372 0.751
37.5 75 5.427 0.9532 0.693
37.5 105 6.689 1.288 0.7579
37.5 255 6.07 1.81 0.7086
37.5 285 6.617 1.14 0.7227
37.5 315 6.202 1.675 0.6953
52.5 45 4.43 0.6991 0.367
52.5 75 5.646 0.6246 0.3904
52.5 135 4.746 1.037 0.3911
52.5 165 3.444 0.3293 0.3503
52.5 195 3.035 0.2994 0.3415
52.5 225 4.618 0.6554 0.3746
52.5 285 5.037 0.5885 0.3873
67.5 45 3.189 0.6556 0.3524
67.5 75 4.839 1.405 0.3765
67.5 105 4.733 0.5649 0.406
67.5 135 3.705 0.4659 0.3681
67.5 165 2.579 0.258 0.3355
67.5 195 3.548 0.5102 0.3677
67.5 225 3.098 0.3635 0.3501
67.5 255 4.034 0.5584 0.3692
67.5 285 3.812 1.026 0.4255
67.5 315 5.096 1.516 0.3976
82.5 45 2.511 0.4702 0.2352
82.5 75 2.562 0.4556 0.2458
82.5 105 3.044 0.3128 0.2585
82.5 135 2.439 0.3275 0.2414
82.5 165 1.936 0.3103 0.23
82.5 195 2.327 0.2995 0.2462
82.5 225 2.898 0.3666 0.2479
82.5 255 3.143 0.3 0.2584
82.5 285 2.885 0.3845 0.2532
82.5 315 2.727 0.7041 0.2543
82.5 345 2.289 0.8599 0.2453
97.5 45 1.417 0.2627 0.2768
97.5 75 2.04 0.4326 0.2829
97.5 105 2.07 0.239 0.2758
97.5 135 2.035 0.4906 0.2846
97.5 165 1.686 0.2656 0.276
97.5 195 2.186 0.7027 0.2831
97.5 225 2.649 0.8027 0.2942
97.5 255 2.926 0.5031 0.2991
97.5 285 2.04 0.4317 0.2789
97.5 315 1.301 0.2731 0.2693
112.5 75 1.471 0.4486 0.2873
112.5 105 1.307 0.3241 0.2882
112.5 135 1.199 0.225 0.2896
112.5 165 1.502 0.5724 0.3088
112.5 195 1.492 0.3213 0.29
112.5 225 1.568 0.3269 0.2961
112.5 255 1.352 0.2299 0.2887
112.5 285 2.223 0.879 0.3059
112.5 315 0.8185 0.2175 0.2838
127.5 45 0.5166 0.1408 0.03953
127.5 75 0.5636 0.1889 0.1712
127.5 105 0.5971 0.1447 0.1724
127.5 135 0.721 0.1895 0.177
127.5 165 0.6006 0.171 0.04004
127.5 195 0.784 0.2402 0.1737
127.5 225 1.135 0.4093 0.1746
127.5 255 0.464 0.1355 0.03925
127.5 285 0.8165 0.2607 0.1746
127.5 315 0.7576 0.3322 0.1741
127.5 345 0.2615 0.1067 0.03844
142.5 15 0.2909 0.1043 0.02649
142.5 45 0.1745 0.1104 0.02191
142.5 75 0.2458 0.09539 0.02455
142.5 135 0.5764 0.223 0.0414
142.5 285 0.3728 0.1442 0.03039
142.5 315 0.2904 0.1076 0.02647