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Measurement E8M82

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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 : 1.36 — 1.38 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 15 6.01 1.123 1.073
7.5 45 12.44 5.017 1.162
7.5 75 7.062 2.474 1.103
7.5 105 5.574 1.531 1.076
7.5 135 6.561 1.454 1.096
7.5 165 13.58 3.01 1.2
7.5 195 11.11 3.707 1.195
7.5 225 10.91 2.7 1.23
7.5 255 8.512 2.403 1.12
7.5 285 12.68 3.092 1.174
7.5 315 11.5 2.428 1.132
7.5 345 8.403 1.951 1.104
22.5 15 7.673 1.587 1.004
22.5 45 10.11 4.201 1.028
22.5 75 8.666 1.827 1.019
22.5 105 12.47 4.79 1.094
22.5 135 7.946 1.908 0.9917
22.5 165 9.698 3.138 0.9889
22.5 195 5.257 1.151 0.9947
22.5 225 8.872 1.682 1.01
22.5 255 8.156 1.552 0.9957
22.5 285 9.227 1.895 1.023
22.5 315 6.426 2.367 0.9841
22.5 345 10.88 4.754 1.004
37.5 45 8.15 3.243 0.8815
37.5 75 6.686 0.8601 0.8517
37.5 105 8.75 2.129 0.8847
37.5 255 10.61 3.074 0.8818
37.5 285 7.406 1.006 0.8637
37.5 315 5.896 0.7903 0.848
52.5 45 6.734 0.8698 0.494
52.5 75 5.275 0.5083 0.428
52.5 135 6.508 0.9942 0.4296
52.5 165 4.326 0.3306 0.416
52.5 195 4.3 0.3421 0.4066
52.5 225 5.475 0.5387 0.4802
52.5 285 6.078 0.6858 0.4394
52.5 315 5.049 0.7511 0.4153
67.5 45 3.767 0.6449 0.3331
67.5 105 3.97 0.3461 0.3501
67.5 135 3.901 0.3608 0.3383
67.5 165 3.144 0.255 0.3204
67.5 195 3.37 0.287 0.3271
67.5 225 4.131 0.3837 0.3628
67.5 255 4.689 0.5411 0.347
67.5 315 3.941 0.6601 0.3428
82.5 15 1.694 0.36 0.2404
82.5 75 2.768 0.4264 0.2509
82.5 105 3.503 0.2609 0.2776
82.5 135 3.046 0.3173 0.2716
82.5 165 2.32 0.2556 0.2538
82.5 195 2.377 0.2576 0.2537
82.5 225 3.089 0.3863 0.2841
82.5 255 3.745 0.3124 0.2836
82.5 285 2.834 0.3107 0.2799
82.5 315 2.533 1.032 0.2525
82.5 345 2.045 1.348 0.158
97.5 45 2.027 0.6136 0.2038
97.5 75 1.903 0.2454 0.2158
97.5 105 1.924 0.1936 0.2046
97.5 135 2.426 0.4825 0.2301
97.5 165 2.402 0.4581 0.2246
97.5 195 2.267 0.3446 0.2321
97.5 225 1.971 0.2725 0.2156
97.5 255 2.057 0.2166 0.2178
97.5 285 2.194 0.305 0.2213
97.5 315 1.676 0.2673 0.2073
112.5 45 0.7464 0.175 0.1511
112.5 75 1.025 0.1809 0.1579
112.5 105 1.229 0.1751 0.1625
112.5 135 1.276 0.2192 0.165
112.5 165 1.204 0.224 0.1661
112.5 195 1.336 0.1872 0.1608
112.5 225 1.343 0.2043 0.156
112.5 255 1.424 0.2102 0.1623
112.5 285 1.855 0.4802 0.1684
112.5 315 0.9043 0.1702 0.1518
127.5 15 0.3408 0.1451 0.1765
127.5 45 0.5366 0.1332 0.04473
127.5 75 0.9166 0.1952 0.1881
127.5 105 0.9036 0.1893 0.1805
127.5 135 1.201 0.3307 0.223
127.5 165 1.174 0.2837 0.1845
127.5 195 0.5996 0.1785 0.1789
127.5 225 1.165 0.2323 0.1873
127.5 255 0.7942 0.1601 0.1797
127.5 285 0.6793 0.1865 0.1806
127.5 315 0.2807 0.0778 0.04347
127.5 345 0.3027 0.1011 0.04355
142.5 15 0.3156 0.1755 0.0354
142.5 45 0.2726 0.0902 0.03369
142.5 75 0.4661 0.1273 0.04247
142.5 105 0.8258 0.328 0.06308
142.5 135 0.5747 0.3539 0.0483
142.5 225 0.5221 0.2145 0.1818
142.5 255 0.6384 0.3745 0.05191
142.5 285 0.7209 0.3298 0.1869
142.5 315 0.3024 0.1186 0.03486
142.5 345 0.199 0.1172 0.03119
157.5 75 0.3129 0.1395 0.04452
157.5 345 0.2056 0.1133 0.03138