Electromagnetic and hadronic interactions of ultrarelativistic nuclei |
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Authors: | I A Pshenichnov E V Karpechev A B Kurepin I N Mishustin |
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Institution: | 1.Institute for Nuclear Research,Russian Academy of Sciences,Moscow,Russia;2.Frankfurt Institute for Advanced Studies,J.-W. Goethe University,Frankfurt am Main,Germany;3.Kurchatov Institute,Russian Research Center,Moscow,Russia |
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Abstract: | Beam nuclei accelerated at the Large Hadron Collider (LHC) at CERN are lost due to interactions with the counter-rotating
beam, residual gas, and accelerator elements. Proper modelling of the beam transport and radiation load on accelerator components
requires reliable prediction of the yields of nuclear fragments produced in electromagnetic dissociation and hadronic fragmentation
of beam nuclei. We investigate electromagnetic and hadronic fragmentation of lead nuclei in collisions with various nuclei
and single electrons at the injection and collision energies of the LHC. The consideration is based on the RELDIS and abrasion-ablation
models. Since this approach well describes Pb fragmentation data at 30 and 158 A GeV, its validity for Pb nuclei at the LHC collision energy is also expected. |
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