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Measurement E8M37

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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 : 0.35 — 0.45 GeV2
W : 1.34 — 1.36 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 10.8 1.039 0.9921
7.5 45 13.69 1.574 1.072
7.5 75 16.16 1.768 1.004
7.5 105 14.57 1.61 0.9936
7.5 135 15.09 2.207 0.9942
7.5 165 15.47 1.885 1.043
7.5 195 12.43 1.548 0.9691
7.5 225 10.36 1.111 1.054
7.5 255 10.44 1.205 0.9952
7.5 285 14.38 1.641 0.9535
7.5 315 12.7 1.502 1.004
7.5 345 12.81 1.283 1.005
22.5 15 13.4 1.106 1.037
22.5 45 10.49 2.042 0.9923
22.5 75 17.58 2.103 1.171
22.5 105 10.8 1.329 0.9989
22.5 255 13.6 1.944 1.039
22.5 285 8.961 1.262 0.9777
22.5 315 13.68 3.224 1.052
22.5 345 11.99 1.284 1.038
37.5 45 9.203 0.9251 0.8733
37.5 75 11.06 0.9665 0.8789
37.5 135 7.2 0.5419 0.8414
37.5 165 6.401 0.3566 0.8179
37.5 195 6.326 0.3602 0.8153
37.5 225 8.81 0.9888 0.8408
37.5 285 9.52 0.8092 0.8728
37.5 315 11.07 1.203 0.8935
52.5 45 5.967 0.4872 0.5195
52.5 105 7.822 0.5193 0.5824
52.5 135 6.464 0.4456 0.5216
52.5 165 4.791 0.2593 0.4905
52.5 195 5.197 0.2757 0.4989
52.5 225 6.258 0.4303 0.5191
52.5 255 8.709 0.7751 0.5448
52.5 315 6.067 0.4001 0.5113
67.5 45 5.574 1.015 0.4727
67.5 75 7.009 1.066 0.4686
67.5 105 6.18 0.319 0.4518
67.5 135 5.318 0.3845 0.4436
67.5 165 3.691 0.2001 0.4018
67.5 195 3.734 0.2121 0.4054
67.5 225 5.473 0.4094 0.4357
67.5 255 6.605 0.3035 0.4689
67.5 285 6.695 0.9458 0.4511
67.5 315 5.334 0.7524 0.4283
82.5 15 2.308 0.7518 0.2862
82.5 45 3.476 0.6004 0.3205
82.5 75 4.552 0.2874 0.3399
82.5 105 5.407 0.2948 0.3525
82.5 135 4.576 0.3441 0.3421
82.5 165 3.051 0.2286 0.3011
82.5 195 2.912 0.2184 0.2967
82.5 225 3.887 0.3216 0.3282
82.5 255 4.749 0.2337 0.3427
82.5 285 4.613 0.2742 0.3427
82.5 315 4.159 1.286 0.3245
82.5 345 1.821 0.4612 0.2715
97.5 45 2.01 0.1503 0.2116
97.5 75 3.196 0.2667 0.2358
97.5 105 4.015 0.2489 0.2774
97.5 135 3.068 0.247 0.2337
97.5 165 2.799 0.2094 0.2431
97.5 195 2.321 0.1598 0.2185
97.5 225 3.268 0.2789 0.2513
97.5 255 3.635 0.2022 0.2668
97.5 285 3.708 0.3185 0.2683
97.5 315 2.154 0.1685 0.2138
97.5 345 1.111 0.4308 0.1921
112.5 15 0.7354 0.1226 0.1609
112.5 45 1.572 0.1497 0.1753
112.5 75 2.68 0.2937 0.2068
112.5 105 2.507 0.1805 0.2068
112.5 135 2.194 0.2008 0.1937
112.5 165 1.926 0.197 0.1983
112.5 195 1.8 0.1795 0.1832
112.5 225 2.375 0.2142 0.208
112.5 255 2.433 0.1678 0.2063
112.5 285 2.195 0.2368 0.1962
112.5 315 1.257 0.1392 0.1656
112.5 345 0.7609 0.1322 0.1583
127.5 15 0.3131 0.07581 0.06549
127.5 45 0.8332 0.1043 0.1569
127.5 75 1.121 0.1333 0.1681
127.5 105 1.383 0.1588 0.1692
127.5 135 1.593 0.2623 0.1784
127.5 165 1.304 0.2347 0.181
127.5 195 1.178 0.3277 0.1703
127.5 225 1.388 0.1808 0.1779
127.5 255 1.563 0.171 0.1816
127.5 285 1.199 0.1457 0.166
127.5 315 0.8924 0.1369 0.1642
127.5 345 0.698 0.191 0.1563
142.5 15 0.3661 0.07513 0.2679
142.5 45 0.4032 0.08989 0.0463
142.5 75 1.016 0.202 0.2834
142.5 105 1.267 0.4417 0.3039
142.5 255 0.9128 0.2772 0.2766
142.5 285 0.8608 0.1666 0.2727
142.5 315 0.588 0.1164 0.2694
142.5 345 0.304 0.1961 0.04427
157.5 15 0.5239 0.1847 0.1772
157.5 345 0.3951 0.1411 0.04357