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Measurement E8M11

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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 : 0.25 — 0.35 GeV2
W : 1.3 — 1.32 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 18.33 1.695 1.613
7.5 45 15.95 1.535 1.514
7.5 75 14.96 1.627 1.585
7.5 105 23.78 12.02 1.698
7.5 255 16.83 4.862 1.608
7.5 285 18.33 1.997 1.712
7.5 315 20.88 2.246 1.645
7.5 345 15.78 1.477 1.544
22.5 15 16.38 1.263 1.134
22.5 45 15.89 2.313 1.094
22.5 75 15.51 3.078 1.123
22.5 135 13.57 1.386 1.098
22.5 165 12.27 0.6435 1.073
22.5 195 12.52 0.6473 1.035
22.5 225 12.27 1.307 1.068
22.5 315 13.44 2.789 1.048
22.5 345 15.82 1.542 1.13
37.5 45 8.987 0.8631 0.8579
37.5 105 12.3 1.161 0.9202
37.5 135 11.7 0.6229 0.8991
37.5 165 9.095 0.3895 0.852
37.5 195 9.62 0.4117 0.8499
37.5 225 12.58 0.6972 0.9113
37.5 255 11.75 1.312 0.9667
37.5 315 10.48 0.9042 0.8734
52.5 45 10.11 0.815 0.7403
52.5 75 11.63 1.21 0.7884
52.5 105 11.85 0.5573 0.8075
52.5 135 10.33 0.7816 0.776
52.5 165 7.683 0.3275 0.7077
52.5 195 7.446 0.3186 0.7104
52.5 225 8.932 0.6396 0.7342
52.5 255 11.14 0.524 0.7869
52.5 315 10.3 0.7274 0.7471
67.5 75 9.173 0.423 0.6962
67.5 105 11.66 0.4446 0.7522
67.5 135 8.477 0.6177 0.6772
67.5 165 5.363 0.279 0.6274
67.5 195 5.48 0.2946 0.6359
67.5 225 8.514 0.6952 0.6851
67.5 255 10.04 0.3922 0.7203
67.5 285 9.061 0.3885 0.7089
82.5 45 5.208 0.7397 0.4675
82.5 75 7.021 0.3646 0.5125
82.5 105 8.121 0.3277 0.5471
82.5 135 6.625 0.5837 0.5124
82.5 165 4.22 0.2565 0.4598
82.5 195 4.639 0.2862 0.461
82.5 225 7.201 0.5798 0.5223
82.5 255 8.399 0.3425 0.5568
82.5 285 7.396 0.4075 0.521
82.5 315 4.789 0.4733 0.4701
97.5 15 1.513 0.2464 0.3703
97.5 45 3.9 0.2345 0.4059
97.5 75 6.434 0.6108 0.4555
97.5 105 6.458 0.309 0.4606
97.5 135 5.479 0.5024 0.4522
97.5 165 4.246 0.265 0.4177
97.5 195 3.774 0.2365 0.4123
97.5 225 4.926 0.376 0.4267
97.5 255 7.708 0.3403 0.5076
97.5 285 5.427 0.3915 0.4434
97.5 315 3.979 0.2328 0.4057
97.5 345 1.714 0.3349 0.3735
112.5 15 1.481 0.2192 0.2706
112.5 45 2.932 0.2185 0.2909
112.5 75 4.425 0.4192 0.3356
112.5 105 4.197 0.231 0.3219
112.5 135 3.932 0.41 0.3274
112.5 165 2.75 0.2505 0.2927
112.5 195 2.89 0.2986 0.2959
112.5 225 3.386 0.3088 0.3008
112.5 255 4.741 0.2435 0.3463
112.5 285 4.682 0.3981 0.3476
112.5 315 3.232 0.2392 0.3027
112.5 345 1.536 0.2975 0.2718
127.5 15 1.761 0.4446 0.3268
127.5 45 1.971 0.1971 0.3257
127.5 75 3.144 0.2556 0.3501
127.5 105 3.179 0.3558 0.3531
127.5 135 2.655 0.296 0.3403
127.5 225 2.452 0.2326 0.3463
127.5 255 3.066 0.4294 0.3514
127.5 285 3.574 0.3507 0.3596
127.5 315 1.734 0.1713 0.3234
127.5 345 1.21 0.2214 0.3171
142.5 15 0.9464 0.2222 0.1502
142.5 45 1.418 0.2093 0.1704
142.5 75 1.841 0.1755 0.1722
142.5 285 1.953 0.1993 0.1705
142.5 315 1.626 0.4248 0.1614
142.5 345 1.137 0.1773 0.1574
157.5 15 0.9196 0.1683 0.262
157.5 345 1.24 0.383 0.2585