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TH Preprints

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2026-05-30
04:52
Black Hole Photon Rings Saturate the Quantum Chaos Bound / Giataganas, D. (NSYSU, Taiwan ; NCTS, Taipei) ; Giudice, G.F. (New York U., Abu Dhabi ; CERN) ; Kehagias, A. (Natl. Tech. U., Athens) ; Quevedo, F. (New York U., Abu Dhabi ; Cambridge U., DAMTP) ; Riotto, A. (U. Geneva (main) ; INFN, Rome)
We study the quantum chaos bound in the photon ring region surrounding black holes. [...]
CERN-TH-2026-100 ; arXiv:2605.29923. - 23.
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2026-05-30
04:20
Bump Hunting Inside Jets with Energy Correlators / Ricci, Lorenzo (Maryland U.) ; Riembau, Marc (CERN ; Ecole Polytechnique, Lausanne) ; Son, Minho (KAIST, Taejon)
Energy correlators exhibit well-understood scaling behavior in the collinear limit, governed by perturbative QCD dynamics. [...]
CERN-TH-2026-116 ; arXiv:2605.28934. - 6.
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2026-05-29
04:07
Iterative Solution of the Kerr Black Hole Metric / Damgaard, Poul H. (Bohr Inst. ; CERN) ; Lee, Hojin (Korea Inst. Advanced Study, Seoul) ; Lee, Kanghoon (Korea Inst. Advanced Study, Seoul) ; Rahnuma, Tabasum (Korea Inst. Advanced Study, Seoul)
Using a recursive solution of the Einstein equations, we consider the perturbative expansion of the metric corresponding to a Kerr black hole. [...]
CERN-TH-2026-105 ; arXiv:2605.19948. - 44.
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2026-05-27
04:23
The Diagrammar of Quantum Magnusian / Guo, Li (Rutgers U., Piscataway (main)) ; Kim, Joon-Hwi (Caltech, Pasadena (main)) ; Kim, Jung-Wook (CERN) ; Kim, Sungsoo (Seoul Natl. U.) ; Lee, Sangmin (Korea Inst. Advanced Study, Seoul) ; Li, Jian-Rong (Vienna U., Dept. Math.)
The logarithm of the time-evolution operator has been termed Magnusian, on account of the fact that its expansion describes the Magnus series. [...]
CALT-TH-2026-020 ; CERN-TH-2026-115 ; KIAS-P26031 ; arXiv:2605.25473. - 37.
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2026-05-23
04:19
Precision physics at the muon collider: $m_W$ and CKM matrix elements / Bella, Ludovica Aperio (DESY) ; Franceschini, Roberto (INFN, Rome3 ; Rome III U. ; CERN) ; Meloni, Federico (DESY) ; Wang, Xing (INFN, Rome3 ; Rome III U.)
We examine the potential for a 10~TeV lepton collider to carry out precision measurements of the W boson mass and W boson couplings strength, i.e. [...]
CERN-TH-2026-092 ; DESY-26-068 ; arXiv:2605.21590. - 24.
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2026-05-21
21:23
$B_c \to \eta_c$ form factors at large recoil: SCET analysis and a three-loop consistency check / Bell, Guido (Siegen U.) ; Böer, Philipp (CERN) ; Feldmann, Thorsten (Siegen U.) ; Horstmann, Dennis (Siegen U. ; KIT, Karlsruhe) ; Shtabovenko, Vladyslav (Siegen U.)
The double-logarithmic series of non-relativistic $B_c \to η_c$ form factors at large recoil is governed by a coupled set of integral equations, reflecting an intricate interplay between arbitrarily many soft-quark and soft-gluon exchanges. [...]
CERN-TH-2026-111 ; SI-HEP-2025-20 ; P3H-26-040 ; TTP26-017 ; arXiv:2605.21314. - 40.
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2026-05-21
21:23
A missing link: Brane networks and the Cobordism Conjecture / Dierigl, Markus (CERN) ; Ruiz, Ignacio (CERN)
The absence of global symmetries in a quantum gravity theory often requires the introduction of (new) symmetry-breaking defects, which appear as singular objects in the low-energy description. [...]
CERN-TH-2026-108 ; arXiv:2605.18952. - 36.
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2026-05-19
04:13
Walking Sudakov: From Cusp to Octagon / Alday, Luis F. (Oxford U., Inst. Math.) ; Armanini, Elisabetta (CERN ; Ecole Polytechnique, Lausanne) ; Belitsky, Andrei V. (Arizona State U.) ; Häring, Kelian (Delta ITP, Amsterdam) ; Zhiboedov, Alexander (CERN)
We study the Sudakov form factor and the four-point scattering amplitude on the Coulomb branch of planar $\mathcal{N}=4$ SYM as functions of the Coulomb-branch parameters and kinematic invariants. [...]
CERN-TH-2026-109 ; arXiv:2605.16034. - 43.
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2026-05-19
04:10
Bordisms between 9d type IIB supergravities and commutator widths of duality groups / las Heras, Camilo (Valparaiso U.) ; Ruiz, Ignacio (CERN)
We study the topological properties of bordisms interpolating between different 9d gauged supergravities obtained from compactification of type IIB string theory on $\mathbb{S}^1$ with a non-trivial $\mathsf{SL}(2,\mathbb{Z})$ bundle. [...]
arXiv:2605.15276 ; CERN-TH-2026-107. - 83.
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2026-05-13
04:43
Non-factorisable electroweak virtual corrections to single-resonant processes / Ahmadova, Fazila (Zurich U.) ; Buonocore, Luca (CERN) ; Grazzini, Massimiliano (Zurich U.) ; Savoini, Chiara (Munich, Tech. U.)
We consider electroweak (EW) virtual corrections to $2\to 2$ fermion scattering processes mediated by a vector boson $V$ ($V=W^\pm,Z$) in the pole approximation. [...]
ZU-TH 16/26 ; TUM-HEP-1603/26 ; CERN-TH-2026-103 ; arXiv:2605.09444. - 30.
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