Electromagnetic fields in ultra-peripheral relativistic heavy-ion collisions

Zhao, Jie; Chen, Jin-Hui; Huang, Xu-Guang; Ma, Yu-Gang

doi:10.1007/s41365-024-01374-9

NUCL SCI TECH

2024

DOI: 10.1007/s41365-024-01374-9

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Electromagnetic fields in ultra-peripheral relativistic heavy-ion collisions

Jie Zhao,

Jin-Hui Chen,

Xu-Guang Huang

et al.

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2024

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Cited by 4 publications

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Spin asymmetry and dipole moments in τ-pair production with ultraperipheral heavy ion collisions

Shao,

Yan,

Yuan

et al. 2024

Sci. China Phys. Mech. Astron.

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The anomalous magnetic (MDM) and electric (EDM) dipole moments of the τ lepton serve as crucial indicators of new physics beyond the standard model. Leveraging azimuthal angular asymmetry as a novel tool in ultraperipheral collisions (UPCs), we attain unparalleled precision in the study of these key properties. Driven by the highly linear polarization of coherent photons, this method uniquely enables both the MDM and EDM to contribute to the cos 2ϕ angular distribution in similar magnitudes. Importantly, our approach substantially narrows the parameter space, excluding more than half of it compared to expected UPC-based measurements reliant solely on the total cross-section. This method not only provides improved constraints but also minimizes the need for additional theoretical assumptions, and offers a novel avenue to probe the EDM effects. ultraperipheral collisions, magnetic and electric dipole moments, spin asymmetry

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Spin asymmetry and dipole moments in τ-pair production with ultraperipheral heavy ion collisions

Shao,

Yan,

Yuan

et al. 2024

Sci. China Phys. Mech. Astron.

View full text Add to dashboard Cite

show abstract

A new idea of dipole moments in the tau lepton in ultra-peripheral heavy ion collisions

2024

Sci. China Phys. Mech. Astron.

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Probing the effect of background fields on coupling constants in ultraperipheral heavy ion collisions

Li,

2024

Int. J. Mod. Phys. E

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Electromagnetic fields in ultra-peripheral relativistic heavy-ion collisions

Cited by 4 publications

References 57 publications

Spin asymmetry and dipole moments in τ-pair production with ultraperipheral heavy ion collisions

Spin asymmetry and dipole moments in τ-pair production with ultraperipheral heavy ion collisions

A new idea of dipole moments in the tau lepton in ultra-peripheral heavy ion collisions

Probing the effect of background fields on coupling constants in ultraperipheral heavy ion collisions

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