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Measurement E8M79

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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 : 1.3 — 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 15.11 4.329 1.264
7.5 45 11.28 2.418 1.03
7.5 75 7.372 1.983 0.9883
7.5 105 9.194 2.417 0.9632
7.5 135 12.35 5.731 0.9835
7.5 165 7.739 1.968 0.967
7.5 195 18 8.191 1.011
7.5 225 9.839 4.41 0.9982
7.5 255 6.978 2.267 0.9426
7.5 285 7.942 1.644 0.9545
7.5 315 18.69 5.89 1.286
7.5 345 9.547 1.751 0.9841
22.5 15 10.79 1.67 1.218
22.5 45 13.26 3.371 1.244
22.5 75 11.68 2.1 1.207
22.5 105 13.32 3.823 1.316
22.5 255 10.74 4.604 1.249
22.5 285 14.91 4.485 1.343
22.5 315 10.94 2.516 1.244
22.5 345 10.44 1.28 1.192
37.5 45 7.159 1.277 0.653
37.5 75 9.798 1.57 0.7359
37.5 135 8.082 1.14 0.6606
37.5 165 8.019 0.6076 0.6477
37.5 195 7.838 0.7223 0.6469
37.5 225 5.811 1.026 0.6127
37.5 285 9.929 1.517 0.6866
37.5 315 8.611 1.351 0.6781
52.5 45 5.403 0.5469 0.6608
52.5 75 8.349 3.606 0.7044
52.5 105 8.608 1.223 0.7041
52.5 135 6.785 0.5735 0.6864
52.5 165 5.774 0.3866 0.6596
52.5 195 6.985 0.4657 0.7024
52.5 225 5.773 0.4873 0.6651
52.5 255 6.929 0.7121 0.7702
52.5 315 7.293 0.7132 0.69
67.5 45 5.723 0.8515 0.4625
67.5 75 5.823 1.374 0.4735
67.5 105 7.051 0.4847 0.4735
67.5 135 5.702 0.4771 0.4564
67.5 165 4.524 0.3333 0.4315
67.5 195 4.997 0.3625 0.4493
67.5 225 5.654 0.4869 0.4596
67.5 255 5.276 0.3761 0.4426
67.5 315 4.405 0.7246 0.4198
82.5 15 2.431 0.6408 0.3572
82.5 45 3.953 2.222 0.3668
82.5 75 4.695 0.4452 0.4072
82.5 105 5.192 0.3714 0.4117
82.5 135 4.24 0.4226 0.39
82.5 165 4.285 0.4016 0.3897
82.5 195 3.621 0.3349 0.376
82.5 225 5.029 0.5211 0.3995
82.5 255 5.125 0.3638 0.4135
82.5 285 4.427 0.4089 0.4
82.5 315 4.436 1.455 0.4153
82.5 345 2.219 0.6724 0.3709
97.5 45 2.223 0.3067 0.3208
97.5 75 3.43 0.4039 0.3395
97.5 105 3.489 0.2881 0.3369
97.5 135 3.296 0.3964 0.3486
97.5 165 2.619 0.3076 0.326
97.5 195 3.612 0.5937 0.3414
97.5 225 4.16 0.4758 0.3678
97.5 255 4.314 0.3617 0.3623
97.5 285 3.337 0.3703 0.3378
97.5 315 2.649 0.6443 0.3267
112.5 15 0.9349 0.3478 0.2122
112.5 45 1.839 0.2424 0.2193
112.5 75 2.612 0.3917 0.2363
112.5 105 2.574 0.2969 0.248
112.5 135 2.457 0.2913 0.2412
112.5 165 2.306 0.3238 0.2365
112.5 195 2.432 0.4006 0.2298
112.5 225 2.415 0.289 0.2353
112.5 255 2.457 0.2598 0.2374
112.5 285 2.135 0.3086 0.2298
112.5 315 2.397 0.3013 0.2284
127.5 15 0.9951 0.2817 0.2003
127.5 45 1.463 0.2311 0.1988
127.5 75 1.371 0.2438 0.2
127.5 105 1.507 0.2275 0.2004
127.5 135 1.398 0.2494 0.2053
127.5 165 1.51 0.353 0.2153
127.5 195 1.241 0.2334 0.201
127.5 225 1.722 0.5043 0.1998
127.5 255 1.945 0.2824 0.2145
127.5 285 2.11 0.3033 0.2122
127.5 315 1.481 0.2578 0.205
127.5 345 0.5712 0.1786 0.1909
142.5 15 0.6401 0.1772 0.4242
142.5 45 1.767 0.9636 0.436
142.5 75 0.9007 0.2032 0.4247
142.5 105 1.094 0.4542 0.06497
142.5 135 0.6493 0.1807 0.424
142.5 225 1.035 0.3529 0.4251
142.5 255 0.8766 0.245 0.424
142.5 285 1.315 0.2689 0.4259
142.5 315 1.891 0.826 0.4296
142.5 345 0.6788 0.1865 0.4239
157.5 15 0.4053 0.1468 0.03258
157.5 345 0.6477 0.3816 0.03553