Towards Schwinger production of magnetic monopoles in heavy-ion collisions

Gould, Oliver; Ho, David L.-J.; Rajantie, Arttu

doi:10.1103/physrevd.100.015041

Cited by 43 publications

(68 citation statements)

References 119 publications

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“…Magnetic monopoles-hypothesized particles carrying magnetic charge-arise as topological solutions to the field equations of certain non-Abelian gauge theories [1,2]. It has been proposed [3][4][5] that heavy-ion collisions may be the most promising terrestrial method of creating these currently undetected particles, because of the very strong magnetic fields they generate. In order to gain meaningful information from past [6] and future [7] searches, an understanding of monopole production mechanisms is vital.…”

Section: Introductionmentioning

confidence: 99%

Classical production of ’t Hooft–Polyakov monopoles from magnetic fields

Rajantie

2020

Phys. Rev. D

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We show that in the SU(2) Georgi-Glashow model, 't Hooft-Polyakov monopoles are produced by a classical instability in magnetic fields above the Ambjørn-Olesen critical field, which coincides approximately with the field at which Schwinger pair production becomes unsuppressed. Below it, monopoles can be produced thermally, and we show that the rate is higher than for pointlike monopoles by calculating the sphaleron energy as a function of the magnetic field. The results can be applied to production of monopoles in heavy-ion collisions or in the early Universe.

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Section: Introductionmentioning

confidence: 99%

Classical production of ’t Hooft–Polyakov monopoles from magnetic fields

Rajantie

2020

Phys. Rev. D

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“…4, although the large monopole coupling to the photon places such calculations in the nonperturbative regime. A proposal involving the thermal Schwinger production of monopoles in heavy-ion collisions [33], which does not rely on perturbation theory, overcomes these limitations [34,35]. Here the subsequent combination of the production processes implies merely summing the total cross sections computed from these leading-order diagrams, respecting at the same time the different kinematics.…”

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confidence: 99%

Magnetic Monopole Search with the Full MoEDAL Trapping Detector in 13 TeV pp Collisions Interpreted in Photon-Fusion and Drell-Yan Production

Acharya¹,

Alexandre²,

Baines³

et al. 2019

Phys. Rev. Lett.

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MoEDAL is designed to identify new physics in the form of stable or pseudostable highly ionizing particles produced in high-energy Large Hadron Collider (LHC) collisions. Here we update our previous search for magnetic monopoles in Run 2 using the full trapping detector with almost four times more material and almost twice more integrated luminosity. For the first time at the LHC, the data were interpreted in terms of photon-fusion monopole direct production in addition to the Drell-Yan-like mechanism. The MoEDAL trapping detector, consisting of 794 kg of aluminum samples installed in the forward and lateral regions, was exposed to 4.0 fb −1 of 13 TeV proton-proton collisions at the LHCb interaction point and analyzed by searching for induced persistent currents after passage through a superconducting magnetometer. Magnetic charges equal to or above the Dirac charge are excluded in all samples. Monopole spins 0, 1 /2 and 1 are considered and both velocity-independent and -dependent couplings are assumed. This search provides the best current laboratory constraints for monopoles with magnetic charges ranging from two to five times the Dirac charge.

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“…In particular, the possibility of producing magnetic monopoles in particle colliders has been considered extensively, see e.g. [88] for a recent discussion and further references. In this way the present treatment of the physics of smooth distributions of magnetic monopoles may be of use to develop measurable predictions of nonassociativity, such as in the MoEDAL experiment at the Large Hadron Collider (LHC) which aims to pursue the quest for magnetic monopoles and dyons at LHC energies [89,90].…”

Section: Nonassociative Quantum Mechanicsmentioning

confidence: 99%

An introduction to nonassociative physics

Szabo¹

2019

Proceedings of Corfu Summer Institute 2018 "School and Workshops on Elementary Particle Physics and Gravity" — PoS(CORFU2018)

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We give a pedagogical introduction to the nonassociative structures arising from recent developments in quantum mechanics with magnetic monopoles, in string theory and M-theory with nongeometric fluxes, and in M-theory with non-geometric Kaluza-Klein monopoles. After a brief overview of the main historical appearences of nonassociativity in quantum mechanics, string theory and M-theory, we provide a detailed account of the classical and quantum dynamics of electric charges in the backgrounds of various distributions of magnetic charge. We apply Born reciprocity to map this system to the phase space of closed strings propagating in R-flux backgrounds of string theory, and then describe the lift to the phase space of M2-branes in R-flux backgrounds of M-theory. Applying Born reciprocity maps this M-theory configuration to the phase space of M-waves probing a non-geometric Kaluza-Klein monopole background. These four perspective systems are unified by a covariant 3-algebra structure on the M-theory phase space.

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Towards Schwinger production of magnetic monopoles in heavy-ion collisions

Cited by 43 publications

References 119 publications

Classical production of ’t Hooft–Polyakov monopoles from magnetic fields

Classical production of ’t Hooft–Polyakov monopoles from magnetic fields

Magnetic Monopole Search with the Full MoEDAL Trapping Detector in 13 TeV pp Collisions Interpreted in Photon-Fusion and Drell-Yan Production

An introduction to nonassociative physics

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