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A measurement of the photonuclear interactions of 180 GeV muons in iron
The energy spectrum and the cross section of photonuclear interactions of 180 GeV muons in iron were measured at the CERN SPS using prototype modules of the ATLAS hadron calorimeter. The differential cross section (N/sub A//A)vd sigma /dv for a muon fractional energy loss v = Delta E/sub mu //E/sub...
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Lenguaje: | eng |
Publicado: |
2003
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Materias: | |
Acceso en línea: | https://dx.doi.org/10.1140/epjc/s2003-01176-6 http://cds.cern.ch/record/725998 |
Sumario: | The energy spectrum and the cross section of photonuclear interactions of 180 GeV muons in iron were measured at the CERN SPS using prototype modules of the ATLAS hadron calorimeter. The differential cross section (N/sub A//A)vd sigma /dv for a muon fractional energy loss v = Delta E/sub mu //E/sub mu / was measured in the range 0.1< v <1. The integrated cross section (N/sub A//A) integral /sub 0.1//sup 1/ vd sigma /dv is (0.26 +or- 0.03/sub stat/ +or- 0.03/sub syst/).10/sup -6/ cm/sup 2/ g/sup -1/ in agreement with the theoretical prediction of 0.267.10/sup -6/ cm/sup 2/ g/sup -1/. The best adjustment of the data to the theory is achieved for the value of sigma /sub gamma N/ = (115 +or- 18/sub stat/ +or- 15/sub syst/) mu b of the photon-nucleon cross section for photons with energies in the range from 18 to 180 GeV. (17 refs). |
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