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

Acharya, B. S.; Alexandre, Jean; Baines, S.; Beneš, P.; Bergmann, B.; Bernabéu, J.; Bevan, A. J.; Brânzaş, H.; Campbell, M.; Cecchini, S.; Cho, Y. M.; Montigny, M. de; Roeck, A. De; Ellis, John; Sawy, M. El; Fairbairn, Malcolm; Felea, D.; Frank, Mariana; Hays, J.; Hirt, Ann M.; Janecek, J.; Kim, D.-W.; Korzenev, A.; Lacarrère, D.; Lee, S. C.; Leroy, C.; Levi, G.; Lionti, A. L.; Mamuzic, J.; Margiotta, A.; Mauri, N.; Mavromatos, Nick E.; Mermod, P.; Mieskolainen, M. M.; Millward, L.; Mitsou, V. A.; Orava, R.; Ostrovskiy, I.; Papavassiliou, Joannis; Parker, B.; Patrizii, L.; Păvălaş, G. E.; Pinfold, J. L.; Popa, V.; Pozzato, M.; Pospı́šil, S.; Rajantie, Arttu; Austri, Roberto Ruiz de; Sahnoun, Z.; Sakellariadou, Mairi; Santra, A.; Sarkar, S.; Semenoff, Gordon W.; Shaa, A.; Sirri, G.; Śliwa, K.; Soluk, R.; Spurio, M.; Staelens, Michael; Suk, M.; Tenti, M.; Togo, V.; Tuszyński, J. A.; Vento, V.; Vives, O.; Vykydal, Z.; Wall, A.; Zgura, I. S.

doi:10.1103/physrevlett.123.021802

Cited by 54 publications

(47 citation statements)

References 48 publications

(84 reference statements)

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“…They might be observed in the current monopole searches since they are expected to be abundant in the present universe. Apart from cosmological production, our monopoles might also be produced and detected by the MoEDAL experiment [21] at LHC with masses of the order of a few TeV. Their discovery would not only be a realization of Dirac's hypothesis but also yield a solid evidence of new physics beyond the SM, since there are no stable and regular magnetic monopoles in the SM.…”

Section: Introductionmentioning

confidence: 95%

Topological Nambu monopole in two Higgs doublet models

et al. 2020

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We show that a topological Nambu monopole exists as a regular solution for a large range of parameters in two Higgs doublet models, contrary to the standard model admitting only nontopological Nambu monopoles. We analyze a Higgs potential with a global U (1) symmetry and a discrete symmetry Z2. The monopole is attached by two topological Z strings (Z flux tubes) from both sides. Despite of a trivial second homotopy group, the discrete symmetry Z2 together with a non-trivial first homotopy group for Z strings topologically ensures the topological stability. After analytically constructing an asymptotic form of such a configuration, we explicitly construct a solution of the equation of motion based on a 3D numerical simulation, in which magnetic fluxes spherically emanating from the monopole at large distances are deformed in the vicinity of the monopole. Since the monopoles are expected to be abundant in the present universe, they might be observed in the current monopole searches.

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Section: Introductionmentioning

confidence: 95%

Topological Nambu monopole in two Higgs doublet models

et al. 2020

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“…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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“…In particular, the MoEDAL experiment is specialising in the detection of magnetic monopoles and other highly ionising particles. MoEDAL has set the stringent bounds on high magnetic charges [103] and together with other LHC experiments, such as ATLAS [91] and possibly CMS, are going to continue probing the existence of light monopoles. Moreover, volumes exposed to LHC collisions, such as the Run-1 CMS beam pipe [104], will be scrutinised by SQUID for the presence of trapped monopoles.…”

Section: Discussionmentioning

confidence: 99%

“…This analysis extended previously obtained bounds [102] and added new interpretations for a β-dependent coupling and for the first time for spin-1 monopoles. Monopole production via photon fusion has also been recently considered in MoEDAL monopole search analyses [103] following related phenomenological studies [71].…”

Section: Moedal Experimentsmentioning

confidence: 99%