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Search for Magnetic Monopole Pair Production in Ultraperipheral Pb plus Pb Collisions at √sNN=5.36 TeV with the ATLAS Detector at the LHC
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Search for Magnetic Monopole Pair Production in Ultraperipheral Pb plus Pb Collisions at √sNN=5.36 TeV with the ATLAS Detector at the LHC

G. Aad, E. Aakvaag, B. Abbott, S. Abdelhameed, K. Abeling, N. J. Abicht, S. H. Abidi, M. Aboelela, A. Aboulhorma, H. Abramowicz, …
Physical review letters, 卷.134(6), 061803
14/02/2025
Web of Science ID: WOS:001720243300002

摘要

Physical Sciences Physics Physics, Multidisciplinary Science & Technology
This Letter presents a search for highly ionizing magnetic monopoles in 262 mu b(-1) of ultraperipheral Pb + Pb collision data at root s(NN) = 5.36 TeV collected by the ATLAS detector at the LHC. A new methodology that exploits the properties of clusters of hits reconstructed in the innermost silicon detector layers is introduced to study highly ionizing particles in heavy-ion data. No significant excess above the background, which is estimated using a data-driven technique, is observed. Using a nonperturbative semiclassical model, upper limits at 95% confidence level are set on the cross section for pair production of monopoles with a single Dirac magnetic charge in the mass range of 20-150 GeV. Depending on the model, monopoles with a single Dirac magnetic charge and mass below 80-120 GeV are excluded.

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https://doi.org/10.1103/PhysRevLett.134.061803檢視
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