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2025-04-02
04:06
Physics case for low-$\sqrt{s}$ QCD studies at FCC-ee / Verbytskyi, Andrii (Garching, Max Planck Inst.) ; d'Enterria, David (CERN) ; Monni, Pier Francesco (CERN) ; Skands, Peter (Monash U.)
Measurements of hadronic final states in $e^{+}e^{-}$ collisions at centre-of-mass (CM) energies below the Z peak can notably extend the FCC-ee physics reach in terms of precision quantum chromodynamics (QCD) studies. [...]
CERN-TH-2025-064 ; arXiv:2503.23855. - 13 p, 13.
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2025-04-02
04:04
NNLOJET: a parton-level event generator for jet cross sections at NNLO QCD accuracy / NNLOJET Collaboration
The antenna subtraction method for NNLO QCD calculations is implemented in the NNLOJET parton-level event generator code to compute jet cross sections and related observables in electron-positron, lepton-hadron and hadron-hadron collisions. [...]
arXiv:2503.22804 ; CERN-TH-2025-012 ; IPPP/25/09 ; ZU-TH 11/25. - 42.
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2025-04-01
04:28
Axial perturbations of black holes with primary scalar hair / Charmousis, Christos (IJCLab, Orsay ; CERN) ; Iteanu, Simon (IJCLab, Orsay) ; Langlois, David (APC, Paris) ; Noui, Karim (IJCLab, Orsay)
We study axial perturbations of static black holes with primary hair in a family of degenerate higher-order scalar-tensor (DHOST) theories. [...]
CERN-TH-2025-058 ; arXiv:2503.22348. - 32.
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2025-04-01
04:24
Precision Tests in $b\to s\ell^+\ell^-$ ($\ell=e,\mu$) at FCC-ee / Bordone, Marzia (Zurich U. ; CERN) ; Cornella, Claudia (CERN) ; Davighi, Joe (CERN)
The rare semi-leptonic decays $B\to K^\ast \ell^+\ell^-$, with $\ell=e, \mu$, are highly sensitive to new physics (NP) due to their suppression in the Standard Model (SM). [...]
CERN-TH-2025-065 ; ZU-TH 22/25 ; arXiv:2503.22635. - 21.
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2025-04-01
04:24
Kaon Physics: A Cornerstone for Future Discoveries / Aebischer, Jason (CERN) ; Akmete, Atakan Tugberk (U. Mainz, PRISMA) ; Aliberti, Riccardo (Mainz U., Inst. Kernphys.) ; Altmannshofer, Wolfgang (UC, Santa Cruz ; UC, Santa Cruz, Inst. Part. Phys.) ; Ambrosino, Fabio (Naples U. ; INFN, Naples ; SSM, Naples) ; Ammendola, Roberto (INFN, Rome2) ; Antonelli, Antonella (Frascati) ; Anzivino, Giuseppina (Perugia U. ; INFN, Perugia) ; Ashanujjaman, Saiyad (KIT, Karlsruhe, TTP ; KIT, Karlsruhe) ; Bandiera, Laura (INFN, Ferrara) et al.
The kaon physics programme, long heralded as a cutting-edge frontier by the European Strategy for Particle Physics, continues to stand at the intersection of discovery and innovation in high-energy physics (HEP). [...]
CERN-TH-2025-066 ; arXiv:2503.22256. - 22.
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2025-03-29
04:58
On the open TS/ST correspondence / François, Matijn ; Grassi, Alba
The topological string/spectral theory correspondence establishes a precise, non-perturbative duality between topological strings on local Calabi-Yau threefolds and the spectral theory of quantized mirror curves. [...]
CERN-TH-2025-049 ; arXiv:2503.21762. - 58.
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2025-03-27
04:11
Master integrals for semi-inclusive cuts of massless four-loop propagators / Magerya, Vitaly (CERN) ; Fekésházy, Levente (Hamburg U., Inst. Theor. Phys. II ; Eotvos U.)
We present the analytic calculation of all master integrals for 3-, 4-, and 5-particle semi-inclusive cuts of four-loop massless propagators by means of differential equations. [...]
CERN-TH-2025-061 ; DESY-25-048 ; arXiv:2503.19837. - 22.
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2025-03-27
04:07
Operator K-complexity in DSSYK: Krylov complexity equals bulk length / Ambrosini, Marco (Geneva U., Dept. Theor. Phys.) ; Rabinovici, Eliezer (Hebrew U. ; CERN) ; Sánchez-Garrido, Adrián (Southampton U.) ; Shir, Ruth (Luxembourg U.) ; Sonner, Julian (Geneva U., Dept. Theor. Phys.)
In this paper we study the notion of complexity under time evolution in chaotic quantum systems with holographic duals. [...]
CERN-TH-2025-040 ; arXiv:2412.15318. - 85.
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2025-03-25
14:25
With Gratitude: Christoph Greub’s Impact and Legacy / Aebischer, Jason ; Ali, Ahmed ; Becher, Thomas ; Born, Lukas ; Borzumati, Francesca ; Eicher, Julian ; Fael, Matteo ; Ferroglia, Andrea ; Hurth, Tobias ; Lenz, Alexander et al.
As Christoph Greub embarks on a well-deserved retirement, we take this opportunity to celebrate his remarkable career and lasting contributions. [...]
CERN-TH-2025-062. - 2025 - 97.
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2025-03-20
04:07
Finite-temperature bubble nucleation with shifting scale hierarchies / Kierkla, Maciej (Warsaw U.) ; Schicho, Philipp (Geneva U.) ; Swiezewska, Bogumila ; Tenkanen, Tuomas V.I. (Helsinki Inst. of Phys.) ; van de Vis, Jorinde (CERN)
Focusing on supercooled phase transitions in models with classical scale symmetry, we formulate a state-of-the art framework for computing the bubble-nucleation rate, accounting for the presence of various energy scales. [...]
CERN-TH-2025-046 ; HIP-2024-27/TH ; arXiv:2503.13597. - 56.
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