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Measurement E8M13

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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 : 1.34 — 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 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 15.33 1.381 1.319
7.5 45 15.23 1.47 1.337
7.5 75 18.55 1.903 1.384
7.5 105 16.6 1.857 1.368
7.5 135 17.64 2.123 1.355
7.5 165 12.69 2.103 1.297
7.5 195 18.17 2.869 1.442
7.5 225 20.78 2.459 1.319
7.5 255 15.63 1.699 1.366
7.5 285 13.33 1.336 1.279
7.5 315 17.52 1.54 1.333
7.5 345 16.13 1.347 1.323
22.5 15 15.32 1.577 1.747
22.5 285 12.26 2.137 1.74
22.5 345 11.9 1.06 1.72
37.5 45 11.25 1.068 0.7937
37.5 75 12.73 1.617 0.8579
37.5 135 8.865 0.6573 0.7492
37.5 165 6.837 0.3183 0.7096
37.5 195 6.836 0.3219 0.7172
37.5 225 8.751 0.6104 0.7498
37.5 285 9.825 0.8744 0.7953
37.5 315 10.42 1.048 0.7799
52.5 45 7.345 0.8438 0.6689
52.5 75 8.832 1.235 0.7042
52.5 105 9.171 0.4579 0.7115
52.5 135 7.39 0.5987 0.6594
52.5 165 4.855 0.2315 0.6275
52.5 195 4.904 0.2283 0.63
52.5 225 8.915 0.8222 0.7136
52.5 255 9.36 0.4224 0.7169
52.5 285 9.047 1.038 0.7327
52.5 315 6.721 0.4964 0.645
67.5 45 4.752 0.9169 0.4814
67.5 75 7.094 0.3953 0.5489
67.5 105 9.145 0.3522 0.6093
67.5 135 5.979 0.4593 0.5093
67.5 165 3.814 0.2077 0.4676
67.5 195 3.707 0.1936 0.4696
67.5 225 5.496 0.4138 0.495
67.5 255 7.701 0.3127 0.5533
67.5 285 6.495 0.3922 0.5272
67.5 315 4.28 0.6717 0.49
82.5 15 2.457 1.131 0.3519
82.5 45 3.895 0.4924 0.3712
82.5 75 5.352 0.3367 0.4184
82.5 105 6.138 0.2641 0.4484
82.5 135 4.735 0.4745 0.4121
82.5 165 2.665 0.2015 0.3636
82.5 195 3.256 0.2247 0.375
82.5 225 5.192 0.4147 0.417
82.5 255 5.695 0.2556 0.4313
82.5 285 6.118 0.3547 0.4382
82.5 315 3.227 0.3535 0.3752
97.5 15 1.122 0.1648 0.2303
97.5 45 2.397 0.1646 0.2542
97.5 75 3.971 0.3686 0.297
97.5 105 4.66 0.2436 0.32
97.5 135 4.212 0.3133 0.3106
97.5 165 2.301 0.167 0.2524
97.5 195 2.538 0.1744 0.2668
97.5 225 3.608 0.2956 0.2886
97.5 255 4.487 0.2248 0.3211
97.5 285 4.122 0.3488 0.302
97.5 315 2.383 0.1662 0.2467
97.5 345 1.457 0.4815 0.2322
112.5 15 0.9665 0.1657 0.2094
112.5 45 1.659 0.1464 0.2173
112.5 75 2.695 0.3056 0.2484
112.5 105 2.533 0.1693 0.242
112.5 135 2.482 0.2748 0.2354
112.5 165 2.373 0.6411 0.2347
112.5 195 1.614 0.1679 0.2246
112.5 225 2.642 0.2654 0.2528
112.5 255 2.748 0.1641 0.2549
112.5 285 2.654 0.2636 0.2435
112.5 315 1.643 0.1522 0.2191
112.5 345 0.9116 0.1404 0.2049
127.5 15 0.3944 0.1268 0.1265
127.5 45 0.8322 0.09256 0.1312
127.5 75 1.537 0.1492 0.1591
127.5 105 1.987 0.2908 0.1685
127.5 135 1.409 0.1798 0.1531
127.5 225 1.318 0.159 0.148
127.5 255 1.428 0.1684 0.1506
127.5 285 1.485 0.1649 0.1501
127.5 315 1.194 0.1477 0.1448
127.5 345 0.7066 0.1234 0.1308
142.5 15 0.5007 0.1303 0.1838
142.5 45 1.147 0.3182 0.201
142.5 75 1.182 0.1288 0.2024
142.5 285 0.989 0.1308 0.1979
142.5 315 0.7206 0.212 0.1853
142.5 345 0.4207 0.1042 0.05176
157.5 15 0.4962 0.196 0.1071
157.5 345 0.4136 0.09528 0.09674