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Measurement E8M6

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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 : 1.2 — 1.22 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 13.81 2.385 1.032
7.5 45 14.17 1.887 1.09
7.5 75 13.59 1.394 1.074
7.5 105 14.06 1.469 1.112
7.5 135 13.26 1.285 1.028
7.5 165 14.43 1.315 1.089
7.5 195 16.42 1.624 1.121
7.5 225 14.37 1.436 1.044
7.5 255 10.64 1.181 1.053
7.5 285 12.96 1.408 1.021
7.5 315 16.62 2.23 1.066
7.5 345 8.872 1.609 0.9855
22.5 15 11.03 3.812 1.01
22.5 45 14.46 2.966 1.024
22.5 75 14.43 1.285 1.082
22.5 105 14.91 0.9463 1.098
22.5 135 15.77 0.8148 1.106
22.5 165 16.2 0.8441 1.102
22.5 195 16.27 0.8343 1.116
22.5 225 14.36 0.7679 1.083
22.5 255 14.56 0.9529 1.089
22.5 285 13.87 1.314 1.073
22.5 315 8.842 2.668 0.9851
22.5 345 9.716 2.494 0.9944
37.5 15 6.123 1.273 1.195
37.5 75 12.23 1.571 1.276
37.5 105 20.56 2.065 1.379
37.5 135 19.27 0.9268 1.373
37.5 165 18.14 0.7343 1.372
37.5 195 16.78 0.7038 1.333
37.5 225 18.26 0.899 1.371
37.5 255 17.58 2.249 1.348
52.5 45 11.31 1.235 1.16
52.5 75 17.11 0.6818 1.236
52.5 105 21.92 1.48 1.326
52.5 135 18.88 1.189 1.279
52.5 165 16.03 0.6649 1.224
52.5 195 15.78 0.663 1.215
52.5 225 19.16 1.103 1.296
52.5 255 21.58 1.429 1.359
52.5 285 18.96 0.7146 1.295
52.5 315 11.36 1.329 1.177
67.5 45 13.61 0.991 1.34
67.5 75 22.04 0.6969 1.508
67.5 105 24.41 0.8792 1.524
67.5 135 20.6 1.455 1.465
67.5 165 15.91 0.6687 1.383
67.5 195 16.35 0.6988 1.393
67.5 225 24.88 2.286 1.545
67.5 255 24.33 0.8341 1.566
67.5 285 21.9 0.7145 1.511
67.5 315 15.14 1.394 1.371
82.5 45 16.55 1.453 1.4
82.5 75 24.08 0.7822 1.509
82.5 105 26.98 0.8499 1.609
82.5 135 19.93 1.154 1.471
82.5 165 13.68 0.5086 1.342
82.5 195 13.11 0.5008 1.337
82.5 225 19.64 1.088 1.435
82.5 255 26.47 0.7908 1.623
82.5 285 23.86 0.7733 1.531
82.5 315 16.78 2.279 1.404
97.5 15 9.842 1.14 1.173
97.5 45 17.36 0.8643 1.296
97.5 75 24.18 1.19 1.433
97.5 105 24.76 0.7439 1.487
97.5 135 18.51 0.9731 1.353
97.5 165 12.67 0.6219 1.211
97.5 195 11.68 0.6002 1.217
97.5 225 18.54 1.077 1.365
97.5 255 23.94 0.7007 1.458
97.5 285 23.64 1.076 1.448
97.5 315 15.52 0.676 1.262
97.5 345 11.03 1.051 1.175
112.5 15 8.501 0.7105 1.042
112.5 45 16.65 0.6355 1.19
112.5 75 20.19 1.088 1.299
112.5 105 22.51 0.754 1.341
112.5 135 17.3 0.96 1.205
112.5 165 11.51 0.9715 1.102
112.5 195 9.733 0.8052 1.055
112.5 225 17.16 0.9707 1.217
112.5 255 22.14 0.6953 1.348
112.5 285 22.17 1.26 1.336
112.5 315 16.61 0.7041 1.191
112.5 345 9.387 0.6594 1.061
127.5 15 11.38 0.9261 1.086
127.5 45 15.6 0.7123 1.155
127.5 75 19.02 1.05 1.247
127.5 105 17.79 0.9621 1.19
127.5 135 13.92 1.674 1.125
127.5 225 16.4 1.29 1.191
127.5 255 20.67 1.637 1.246
127.5 285 20.21 1.173 1.284
127.5 315 14.71 0.6976 1.137
127.5 345 11.53 1.402 1.076
142.5 15 9.466 0.8197 0.9706
142.5 45 12.91 1.031 1.051
142.5 75 16.07 0.7684 1.095
142.5 285 16.53 0.8681 1.1
142.5 315 12.49 1.001 1.022
142.5 345 10.97 0.871 0.985
157.5 15 10.53 1.069 1.329
157.5 45 15.6 5.193 1.405
157.5 345 13.01 1.174 1.376