Search for magnetic monopoles with the MoEDAL forward trapping detector in 13 TeV proton-proton collisions at the LHC
Particle physics department, University of Geneva, Switzerland
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Published online: 3 August 2018
The MoEDAL experiment addresses a decades-old issue, the search for an elementary magnetic monopole, first theorised in 1931 by Dirac to explain electric charge quantisation. Since then it was showed that magnetic monopoles occur naturally in grand unified theories as solutions of classical equations of motion. The dedicated experiment can enjoy a new energy regime opened at the LHC allowing direct probes of magnetic monopoles at the TeV scale for the first time. MoEDAL pioneered a technique in which monopoles would be slowed down in a dedicated aluminium array and the presence of trapped monopoles is probed by analysing the samples with a superconducting magnetometer. The MoEDAL forward trapping detector array deployed in 2015 was analysed and found consistent with zero trapped magnetic charge, allowing to set the first LHC constraints for monopoles carrying twice or thrice the Dirac charge.
© The Authors, published by EDP Sciences 2018
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