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2025-04-01
13:10
Evidence for the collective nature of radial flow in Pb+Pb collisions with the ATLAS detector
Anisotropic flow and radial flow are two key probes of the expansion dynamics and properties of the quark-gluon plasma (QGP). [...]
CERN-EP-2025-068. - 2025
Fulltext - Previous draft version

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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 ; Akmete, Atakan Tugberk ; Aliberti, Riccardo ; Altmannshofer, Wolfgang ; Ambrosino, Fabio ; Ammendola, Roberto ; Antonelli, Antonella ; Anzivino, Giuseppina ; Ashanujjaman, Saiyad ; Bandiera, Laura 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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2025-03-31
13:31
Recent Experience with the CMS Data Management System / Ozturk, Hasan (CERN) ; Paparrigopoulos, Panos (CERN) ; Manrique Ardila, Andres (Wisconsin U., Madison) ; Chauhan, Rahul (Wisconsin U., Madison) ; Ellis, Katy (Rutherford) ; Emmanouil, Christos (CERN) ; Kovalskyi, Dmytro (MIT) ; Vaandering, Eric Wayne (Fermilab) ; Voetberg, Margaret Grace (Fermilab) ; Wightman, Andrew Steven (Nebraska U.) /CMS Collaboration
The CMS experiment manages a large-scale data infrastructure, currently handling over 200 PB of disk and 500 PB of tape storage and transferring more than 1 PB of data per day on average between various WLCG sites. Utilizing Rucio for high-level data management, FTS for data transfers, and a variety of storage and network technologies at the sites, CMS confronts inevitable challenges due to the system's growing scale and evolving nature. [...]
CMS-CR-2025-055.- Geneva : CERN, 2025 - 9 p. Fulltext: PDF;
In : 27th International Conference on Computing in High Energy & Nuclear Physics, Kraków, Poland, 19 - 25 Oct 2024

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2025-03-29
17:12
Search for electroweak production of vector-like leptons in $\tau$-lepton and $b$-jet final states in $pp$ collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector / ATLAS Collaboration
A search for pair-production of vector-like leptons is presented, considering their decays into a third-generation Standard Model (SM) quark and a vector leptoquark ($U_1$) as predicted by an ultraviolet-complete extension of the SM, referred to as the '4321' model. [...]
arXiv:2503.22581 ; CERN-EP-2025-055. - 2025 - 60 p, 60.
Fulltext - Previous draft version - Fulltext

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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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2025-03-29
04:45
Choose Your Diffusion: Efficient and flexible ways to accelerate the diffusion model in fast high energy physics simulation / Jiang, Cheng (Edinburgh U.) ; Qian, Sitian (Peking U.) ; Qu, Huilin (CERN)
The diffusion model has demonstrated promising results in image generation, recently becoming mainstream and representing a notable advancement for many generative modeling tasks. [...]
arXiv:2401.13162. -
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2025-03-28
14:57
Observation of a pseudoscalar excess at the top quark pair production threshold / CMS Collaboration
A search for resonances in top quark pair ($ \mathrm{t} \overline{\mathrm{t}} $) production in final states with two charged leptons and multiple jets is presented, based on proton-proton collision data collected by the CMS experiment at the CERN LHC at $ \sqrt{s}= $ 13 TeV, corresponding to 138 fb$ ^{-1} $. [...]
arXiv:2503.22382 ; CMS-TOP-24-007 ; CERN-EP-2025-061 ; CMS-TOP-24-007-003. - 2025 - 43 p, 43.
Additional information for the analysis - CMS AuthorList - Fulltext - Fulltext

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2025-03-28
06:14
Observation of $ \mathrm{W}\mathrm{Z}\gamma $ production and constraints on new physics scenarios in proton-proton collisions at $ \sqrt{s} = $ 13 TeV / CMS Collaboration
A measurement of the $ \mathrm{W}\mathrm{Z}\gamma $ triboson production cross section is presented. [...]
arXiv:2503.21977 ; CMS-SMP-22-018 ; CERN-EP-2025-020 ; CMS-SMP-22-018-003. - 2025 - 39 p, 39.
Additional information for the analysis - CMS AuthorList - Fulltext - Fulltext

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