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Measurement E8M60

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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 : 0.45 — 0.55 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 11.64 2.258 1.257
7.5 45 12.7 1.793 1.169
7.5 75 14.34 2.329 1.205
7.5 105 10.15 1.488 1.178
7.5 135 8.688 1.257 1.16
7.5 165 8.088 1.344 1.2
7.5 195 14.82 2.471 1.218
7.5 225 10.11 1.555 1.136
7.5 255 13.18 2.289 1.214
7.5 285 10.41 1.746 1.143
7.5 315 11.79 1.755 1.18
7.5 345 13.13 1.687 1.23
22.5 15 9.57 1.147 1.032
22.5 45 9.493 1.848 1.028
22.5 75 11.52 1.554 1.08
22.5 105 7.223 0.9585 1.024
22.5 255 9.559 1.275 1.034
22.5 285 12.66 1.761 1.107
22.5 315 11.26 2.13 1.103
22.5 345 9.051 0.9752 1.038
37.5 45 10.56 1.754 0.778
37.5 75 8.796 0.8548 0.7499
37.5 165 4.735 0.3875 0.6957
37.5 195 5.685 0.4321 0.7045
37.5 285 7.282 0.7523 0.7513
37.5 315 10.04 2.502 0.7863
52.5 45 6.089 0.5657 0.5052
52.5 75 9.22 1.714 0.5487
52.5 135 5.696 0.406 0.4996
52.5 165 4.879 0.2794 0.4884
52.5 195 5.131 0.3016 0.4885
52.5 225 5.897 0.4177 0.5072
52.5 255 5.717 0.5427 0.5247
52.5 285 10.04 4.265 0.5258
52.5 315 6.444 0.666 0.5001
67.5 45 3.692 0.5365 0.3707
67.5 75 4 1.313 0.374
67.5 105 6.273 0.3501 0.4279
67.5 135 5.58 0.4113 0.4076
67.5 165 4.106 0.2591 0.3701
67.5 195 3.861 0.2373 0.3694
67.5 225 4.967 0.3793 0.3953
67.5 255 5.378 0.3078 0.3928
67.5 285 3.624 0.4311 0.3707
67.5 315 4.897 0.8784 0.3887
82.5 15 1.253 0.2017 0.2683
82.5 45 2.686 0.5759 0.2997
82.5 75 3.98 0.3341 0.3202
82.5 105 4.473 0.2589 0.3342
82.5 135 4.046 0.32 0.3256
82.5 165 2.994 0.2366 0.3088
82.5 195 3.264 0.2499 0.3014
82.5 225 3.794 0.3135 0.3254
82.5 255 4.334 0.2471 0.3413
82.5 285 3.528 0.2471 0.3093
82.5 315 3.268 0.75 0.3154
97.5 45 1.716 0.1949 0.2084
97.5 75 2.439 0.2321 0.229
97.5 105 3.143 0.2114 0.2423
97.5 135 3.132 0.3247 0.2475
97.5 165 2.448 0.2685 0.2272
97.5 195 2.099 0.2002 0.214
97.5 225 3.195 0.3189 0.2434
97.5 255 3.538 0.2445 0.2755
97.5 285 3.012 0.3339 0.2403
97.5 315 1.894 0.1941 0.2181
112.5 15 0.8987 0.2903 0.1878
112.5 45 1.105 0.1407 0.1903
112.5 75 1.691 0.2151 0.2058
112.5 105 2.308 0.2275 0.2207
112.5 135 2.096 0.2299 0.2161
112.5 165 1.681 0.2077 0.2003
112.5 195 1.544 0.181 0.2078
112.5 225 1.886 0.2072 0.2119
112.5 255 1.777 0.1718 0.2032
112.5 285 1.028 0.134 0.1861
112.5 315 1.196 0.1582 0.1915
112.5 345 0.648 0.2235 0.1829
127.5 15 0.5249 0.1651 0.1607
127.5 45 0.7059 0.0988 0.1634
127.5 75 0.9259 0.1476 0.1703
127.5 105 1.165 0.17 0.1715
127.5 135 1.068 0.1531 0.1671
127.5 165 1.57 0.4664 0.1956
127.5 195 1.328 0.2403 0.1768
127.5 225 1.382 0.1924 0.1785
127.5 255 1.226 0.2045 0.1737
127.5 285 1.028 0.1578 0.1673
127.5 315 0.766 0.1463 0.1676
127.5 345 0.2733 0.07012 0.05813
142.5 15 0.3508 0.1099 0.03971
142.5 45 0.4292 0.09316 0.2187
142.5 75 0.6802 0.1655 0.223
142.5 105 0.7268 0.3048 0.2235
142.5 255 1.129 0.4043 0.247
142.5 285 0.8689 0.183 0.2272
142.5 315 0.3021 0.07794 0.03851
142.5 345 0.3196 0.1024 0.03893
157.5 15 0.3277 0.1295 0.03911
157.5 75 0.2563 0.08961 0.0333
157.5 285 0.5877 0.2334 0.06269
157.5 345 0.2845 0.1895 0.03553