CLAS Physics Database

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Measurement E50M20

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Experiment: e1-dvcs run CLAS data, 2012

Spokespersons: V. Burket, L. Elouadrhiri, M. Garson, S. Stepanyan

Publication:

Quantity measured: d4σ/dQ2 dxb dt dφ, nb/(rad*GeV^4)
Four folded differential cross section.
Beam: e, polarization: polarized
Target: p (Z=1, A=1), polarization: none
Final state: π0p, polarization: none

Q2 : 3.741 — 3.759 GeV2
xb : 0.5085 — 0.5143

Select data slice:
-t = GeV^2
Observable quantity measured (Y axis): d4σ/dQ2 dxb dt dφ, nb/(rad*GeV^4)
Plot measurement data

Parameter (X axis): φ, degrees

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Measured data:

-t,
GeV^2
φ,
degrees
d4σ/dQ2 dxb dt dφ,
nb/(rad*GeV^4)
Data errors,
nb/(rad*GeV^4)
Systematic errors,
nb/(rad*GeV^4)
0.5065 9 5.7914 1.094 1.268
0.5075 27 10.151 1.333 0.313
0.509 45 11.052 1.547 1.303
0.5098 63 10.334 1.887 0.708
0.5102 81 9.2338 2.468 1.506
0.5081 99 7.9172 3.234 0.234
0.5093 261 7.5017 3.357 0.874
0.5068 279 10.921 1.962 0.149
0.5106 297 8.8083 1.429 2.047
0.5079 315 12.41 1.83 0.126
0.5079 333 9.554 1.615 0.169
0.5096 351 10.154 1.626 1.023
0.7875 9 8.0808 1.386 1.462
0.7898 27 7.4226 1.01 0.603
0.7938 45 10.336 1.044 0.805
0.7925 63 10.376 1.042 0.835
0.7936 81 7.7578 1.351 0.226
0.7936 99 8.2695 2.757 1.724
0.7926 117 12.036 4.91 1.642
0.7911 243 8.0065 3.026 1.702
0.7962 261 15.491 4 2.587
0.7938 279 8.2248 1.239 0.521
0.7908 297 9.6683 0.838 0.127
0.7933 315 8.9734 0.962 0.399
0.7896 333 9.8357 1.391 0.432
0.7888 351 10.569 1.762 1.276
1.227 27 5.3284 1.686 0.479
1.231 45 6.197 0.8 0.302
1.234 63 5.9284 0.74 0.131
1.234 81 6.5698 1.549 0.928
1.232 99 7.9335 2.2 1.611
1.235 117 6.1797 1.863 1.804
1.231 135 5.4689 2.233 1.087
1.228 225 6.1517 1.644 0.409
1.237 243 5.4184 1.243 0.082
1.236 261 6.8122 2.576 1.052
1.236 279 5.0684 1.267 1.246
1.235 297 6.0507 0.648 0.819
1.23 315 5.863 0.805 0.36
1.232 333 4.6016 1.878 0.628
1.728 27 3.9571 0.761 0.233
1.729 45 3.0065 0.463 0.236
1.731 63 2.9392 0.657 0.199
1.736 81 4.7838 1.235 0.492
1.735 99 3.9567 1.057 1.149
1.734 117 2.7993 0.748 0.343
1.726 243 2.2821 0.721 0.869
1.731 261 4.2874 1.292 0.71
1.735 279 2.7934 0.987 0.416
1.732 297 2.7512 0.561 0.284
1.736 315 3.777 0.523 0.087
1.73 333 1.0282 0.459 0.554