Abstract

MoEDAL is a pioneering experiment designed to search for highly ionising messengers of new physics such as magnetic monopoles or massive (pseudo-)stable charged particles, that are predicted to exist in a plethora of models beyond the Standard Model. Its ground-breaking physics program defines a number of scenarios that yield potentially revolutionary insights into such foundational questions as, are there extra dimensions or new symmetries, what is the mechanism for the generation of mass, does magnetic charge exist, what is the nature of dark matter, and, how did the big-bang develop at the earliest times. MoEDAL's purpose is to meet such far-reaching challenges at the frontier of the field. The physics reach of the existing MoEDAL detector is discussed, giving emphasis on searches for magnetic monopoles, supersymmetric (semi)stable partners, doubly charged Higgs bosons, and exotic structures such as black-hole remnants in models with large extra spatial dimensions and D-matter in some brane theories.

Highlights

  • MoEDAL (Monopole and Exotics Detector at the LHC) [1,2,3], the 7th experiment at the Large Hadron Collider (LHC) [4], was approved by the CERN Research Board in 2010

  • Lacking a concrete theoretical framework, for magnetic monopoles, an experimental, model independent search for them, is a pressing need, which can provide the theoretical quest with important guidance, especially if a discovery is made! the structure of LHC allow for such searches, and this is the topic of our talk, which will be outlined

  • The high ionisation of slow-moving magnetic monopoles and dyons, implies quite characteristic trajectories when such particles interact with the MoEDAL nuclear track detector (NTD), which can be revealed during the etching process [2, 8]

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Summary

Introduction

MoEDAL (Monopole and Exotics Detector at the LHC) [1,2,3], the 7th experiment at the Large Hadron Collider (LHC) [4], was approved by the CERN Research Board in 2010. It is designed to search for manifestations of new physics through highly-ionising particles in a manner complementary to ATLAS and CMS [5]. The experiment is designed to search for any massive, stable or long-lived, slow-moving particles [6] with single or multiple electric charges arising in many scenarios of physics beyond the Standard Model (SM). A selection of the physics goals and their relevance to the MoEDAL experiment are described here and elsewhere [7]. Highly-ionising exotic structures in models with extra spatial dimensions, namely microscopic black holes and D-matter, relevant to MoEDAL are briefly mentioned in Sections 6 and Sections 7, respectively.

The MoEDAL detector
Magnetic monopoles
Electroweak monopoles
Searches for light monopoles in MoEDAL
Electrically-charged long-lived particles in supersymmetry
Supersymmetric scenarios with R-parity violation
Metastable lepton NLSP in the CMSSM with a neutralino LSP
Metastable sleptons in gravitino LSP scenarios
Long-lived gluinos in split supersymmetry
Experimental considerations
Doubly-charged Higgs bosons
Black hole remnants in large extra dimensions
D-matter
Findings
Summary and outlook
Full Text
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