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Measurement E8M58

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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 : 1.3 — 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 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 16.44 4.323 1.186
7.5 45 11.37 1.467 1.258
7.5 75 12.79 1.859 1.197
7.5 105 22.56 5.974 1.325
7.5 135 13.99 3.075 1.238
7.5 165 11.85 3.263 1.225
7.5 195 17.69 9.882 1.558
7.5 225 16.54 2.888 1.286
7.5 255 15.36 2.754 1.234
7.5 285 19.22 3.776 1.254
7.5 315 14.12 1.801 1.343
7.5 345 11.89 1.424 1.227
22.5 15 12.48 1.211 1.107
22.5 45 11.48 1.317 1.111
22.5 75 12.99 2.058 1.111
22.5 285 14.84 2 1.139
22.5 315 16.02 3.023 1.296
22.5 345 12.91 1.233 1.159
37.5 45 8.492 1.371 0.9239
37.5 75 11.04 1.26 0.9858
37.5 135 9.095 0.6769 0.9183
37.5 165 7.94 0.443 0.9099
37.5 195 7.81 0.4391 0.9071
37.5 225 9.459 0.8599 0.9308
37.5 285 8.989 1.125 0.9231
37.5 315 7.769 1.018 0.9118
52.5 45 6.876 0.4578 0.6111
52.5 75 13.25 3.721 0.6913
52.5 105 8.007 0.5416 0.6306
52.5 135 7.69 0.4921 0.6014
52.5 165 6.18 0.3464 0.5778
52.5 195 6.64 0.3619 0.5966
52.5 225 7.831 0.5138 0.6288
52.5 255 7.42 0.5281 0.62
52.5 285 10.65 3.77 0.6249
52.5 315 7.585 0.5382 0.6088
67.5 45 4.325 0.7095 0.5064
67.5 75 6.53 1.279 0.5321
67.5 105 7.057 0.3915 0.5506
67.5 135 6.489 0.4642 0.533
67.5 165 5.327 0.2888 0.5234
67.5 195 5.748 0.3205 0.5393
67.5 225 6.514 0.4495 0.5427
67.5 255 7.037 0.3823 0.5535
67.5 285 7.106 1.151 0.5371
67.5 315 5.066 1.053 0.5464
82.5 15 1.771 0.5014 0.3072
82.5 45 3.365 0.8309 0.3224
82.5 75 4.431 0.289 0.3549
82.5 105 5.849 0.3178 0.3945
82.5 135 5.691 0.4304 0.3991
82.5 165 4.147 0.2994 0.3514
82.5 195 4.025 0.2811 0.3482
82.5 225 5.486 0.4352 0.3919
82.5 255 5.133 0.2704 0.381
82.5 285 4.658 0.286 0.3656
82.5 315 2.254 0.3613 0.3266
82.5 345 2.047 0.3666 0.3162
97.5 15 1.837 1.074 0.2655
97.5 45 2.784 0.2441 0.2803
97.5 75 3.821 0.3084 0.2957
97.5 105 4.555 0.28 0.3221
97.5 135 4.477 0.3618 0.3131
97.5 165 3.335 0.2345 0.2922
97.5 195 3.321 0.23 0.2948
97.5 225 3.912 0.3447 0.2982
97.5 255 3.762 0.2407 0.3074
97.5 285 4.142 0.3238 0.3093
97.5 315 3.09 0.2768 0.2812
112.5 15 1.16 0.3094 0.285
112.5 45 1.642 0.1521 0.2959
112.5 75 2.361 0.2446 0.3027
112.5 105 2.68 0.2072 0.3127
112.5 135 2.924 0.2724 0.3098
112.5 165 2.739 0.2713 0.3222
112.5 195 2.407 0.2446 0.2962
112.5 225 2.822 0.2515 0.3099
112.5 255 3.145 0.2301 0.3225
112.5 285 2.804 0.2977 0.3087
112.5 315 2.309 0.2136 0.2982
112.5 345 1.556 0.3818 0.292
127.5 15 0.9368 0.1656 0.2079
127.5 45 1.517 0.1815 0.2185
127.5 75 1.75 0.2018 0.222
127.5 105 2.132 0.2405 0.2346
127.5 135 2.03 0.2451 0.2277
127.5 165 2.295 0.5866 0.237
127.5 195 1.779 0.269 0.2254
127.5 225 2.024 0.3307 0.2446
127.5 255 1.978 0.2115 0.2349
127.5 285 2.217 0.259 0.2359
127.5 315 2.006 0.3354 0.2235
127.5 345 0.9653 0.172 0.211
142.5 15 0.6536 0.1231 0.2528
142.5 45 1.169 0.2293 0.2551
142.5 75 1.505 0.2072 0.26
142.5 105 0.9316 0.2101 0.254
142.5 135 1.144 0.2804 0.2625
142.5 255 0.9662 0.2431 0.2568
142.5 285 1.197 0.1931 0.2554
142.5 315 1.051 0.1827 0.2543
142.5 345 0.7625 0.1403 0.2539
157.5 15 0.8436 0.3637 0.09403
157.5 75 0.6529 0.3031 0.04169
157.5 345 0.4348 0.1596 0.03932