Speaker: Professor Yongmin Cho, Sogang University, Korea
Abstract:
The electroweak monopole in the standard model, the existence, characteristic features, cosmological production, and physical implications are discussed. The discovery of Higgs particle has been thought to be the ‘final’ test of the standard model. If the standard model is correct, however, it must have the electroweak monopole as the electroweak generalization of the Dirac monopole. This means that the detection of this monopole should become the final and topological test of the standard model. If detected, it becomes the first magnetically charged and stable topological elementary particle in the history of physics. Moreover, it has deep implications in physics. In cosmology it could generate the primordial magnetic black holes which could explain the dark matter, become the seed of the large scale structures of the universe, and be the source of the intergalactic magnetic field. As importantly, it could generate the hitherto unknown magnetic current that could have huge practical applications. Furthermore the existence of the monopole requires us to reformulate the perturbative expansion in quantum field theory. This makes the detection of the electroweak monopole a most urgent issue. Useful tips for the MoEDAL detector at LHC and similar experiments to detect the monopole are discussed.
Location: Lecture Room, 1st Floor, School of Theoretical Physics, DIAS, 10 Burlington Road, Dublin 4
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Speaker: Professor Yongmin Cho, Sogang University, Korea
Abstract:
The electroweak monopole in the standard model, the existence, characteristic features, cosmological production, and physical implications are discussed. The discovery of Higgs particle has been thought to be the ‘final’ test of the standard model. If the standard model is correct, however, it must have the electroweak monopole as the electroweak generalization of the Dirac monopole. This means that the detection of this monopole should become the final and topological test of the standard model. If detected, it becomes the first magnetically charged and stable topological elementary particle in the history of physics. Moreover, it has deep implications in physics. In cosmology it could generate the primordial magnetic black holes which could explain the dark matter, become the seed of the large scale structures of the universe, and be the source of the intergalactic magnetic field. As importantly, it could generate the hitherto unknown magnetic current that could have huge practical applications. Furthermore the existence of the monopole requires us to reformulate the perturbative expansion in quantum field theory. This makes the detection of the electroweak monopole a most urgent issue. Useful tips for the MoEDAL detector at LHC and similar experiments to detect the monopole are discussed.
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