CERN Preprints

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2024-06-07
20:24

Measurement of inclusive and differential cross sections for W$^{+}$W$^{-}$ production in proton-proton collisions at $ \sqrt{s} = $ 13.6 TeV
Measurements at $ \sqrt{s}= $ 13.6 TeV of the opposite-sign W boson pair production cross section in proton-proton collisions are presented. [...]
CERN-EP-2024-129 ; CMS-SMP-24-001-003. - 2024.
Additional information for the analysis - CMS AuthorList - Fulltext - CMS HEPData

2024-06-07
08:52

Observation of $ {\gamma\gamma\to\tau\tau} $ in proton-proton collisions and limits on the anomalous electromagnetic moments of the $ \tau $ lepton
The production of a pair of $ \tau $ leptons via photon-photon fusion, $ {\gamma\gamma\to\tau\tau} $, is observed for the first time in proton-proton collisions, with a significance of 5.3 standard deviations. [...]
CERN-EP-2024-127 ; CMS-SMP-23-005-003. - 2024.
Additional information for the analysis - CMS AuthorList - Fulltext

2024-06-07
08:48

Observation of quantum entanglement in top quark pair production in proton-proton collisions at $ \sqrt{s}= $ 13 TeV
Entanglement is an intrinsic property of quantum mechanics and is predicted to be exhibited in the particles produced at the Large Hadron Collider. [...]
CERN-EP-2024-137 ; CMS-TOP-23-001-003. - 2024.
Additional information for the analysis - CMS AuthorList - Fulltext

2024-06-07
04:47

Les Houches 2023: Physics at TeV Colliders: Standard Model Working Group Report / Andersen, J. (Durham U., IPPP) ; Assi, B. (Fermilab) ; Asteriadis, K. (Regensburg U.) ; Azzurri, P. (INFN, Pisa) ; Barone, G. (Brown U.) ; Behring, A. (CERN) ; Benecke, A. (Louvain U., CP3) ; Bhattacharya, S. (Wayne State U.) ; Bothmann, E. (Gottingen U.) ; Caletti, S. (Zurich, ETH) et al.
This report presents a short summary of the activities of the "Standard Model" working group for the "Physics at TeV Colliders" workshop (Les Houches, France, 12-30 June, 2023)..
DESY-24-076 ; arXiv:2406.00708. - 53 p.
Fulltext

2024-06-07
04:46

Primordial gravitational wave backgrounds from phase transitions with next generation ground based detectors / Caprini, Chiara (Geneva U., Dept. Theor. Phys. ; CERN) ; Pujolàs, Oriol (Barcelona, IFAE) ; Quelquejay-Leclere, Hippolyte (APC, Paris) ; Rompineve, Fabrizio (Barcelona, IFAE ; Barcelona, Autonoma U.) ; Steer, Danièle A. (CERN ; APC, Paris ; Ecole Normale Superieure ; U. PSL)
Third generation ground-based gravitational wave (GW) detectors, such as Einstein Telescope and Cosmic Explorer, will operate in the $(\text{few}-10^4)$ Hz frequency band, with a boost in sensitivity providing an unprecedented reach into primordial cosmology. [...]
arXiv:2406.02359. - 53 p.
Fulltext

2024-06-07
04:43

Human-in-the-loop Reinforcement Learning for Data Quality Monitoring in Particle Physics Experiments / Parra, Olivia Jullian (CERN) ; García Pardiñas, Julián (CERN) ; Pérez, Lorenzo Del Pianta (CERN) ; Janisch, Maximilian (Zurich U.) ; Klaver, Suzanne (Vrije U., Amsterdam) ; Lehéricy, Thomas (Zurich U.) ; Serra, Nicola (Zurich U.)
Data Quality Monitoring (DQM) is a crucial task in large particle physics experiments, since detector malfunctioning can compromise the data. [...]
arXiv:2405.15508. - 18 p.
Fulltext

2024-06-07
04:43

Adiabatic Hydrodynamization and the Emergence of Attractors: a Unified Description of Hydrodynamization in Kinetic Theory / Rajagopal, Krishna (MIT, Cambridge, CTP ; CERN) ; Scheihing-Hitschfeld, Bruno (MIT, Cambridge, CTP) ; Steinhorst, Rachel (MIT, Cambridge, CTP)
"Attractor" solutions for the pre-hydrodynamic, far-from-equilibrium, evolution of the matter produced in relativistic heavy ion collisions have emerged as crucial descriptors of the rapid hydrodynamization of quark-gluon plasma (QGP). [...]
MIT-CTP/5724 ; arXiv:2405.17545. - 64 p.
Fulltext

2024-06-07
04:42

A new standard for the logarithmic accuracy of parton showers / van Beekveld, Melissa (Nikhef, Amsterdam) ; Dasgupta, Mrinal (Manchester U.) ; El-Menoufi, Basem Kamal (Monash U.) ; Ferrario Ravasio, Silvia (CERN) ; Hamilton, Keith (University Coll. London) ; Helliwell, Jack (Oxford U., Theor. Phys.) ; Karlberg, Alexander (CERN) ; Monni, Pier Francesco (CERN) ; Salam, Gavin P. (Oxford U., Theor. Phys. ; U. Oxford (main)) ; Scyboz, Ludovic (Monash U.) et al.
We report on a major milestone in the construction of logarithmically accurate final-state parton showers, achieving next-to-next-to-leading-logarithmic (NNLL) accuracy for the wide class of observables known as event shapes. [...]
CERN-TH-2024-057 ; OUTP-24-03P ; arXiv:2406.02661. - 19 p.
Fulltext

2024-06-07
04:42

Latent Style-based Quantum GAN for high-quality Image Generation / Chang, Su Yeon (CERN ; Ecole Polytechnique, Lausanne) ; Thanasilp, Supanut (Ecole Polytechnique, Lausanne ; Chulalongkorn U. ; European Space Agency) ; Le Saux, Bertrand (European Space Agency) ; Vallecorsa, Sofia (CERN) ; Grossi, Michele (CERN)
Quantum generative modeling is among the promising candidates for achieving a practical advantage in data analysis. [...]
arXiv:2406.02668. - 28 p.
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2024-06-07
04:40

Resonant Conversion of Wave Dark Matter in the Ionosphere / Beadle, Carl (Geneva U.) ; Caputo, Andrea (CERN) ; Ellis, Sebastian A.R. (Geneva U.)
We consider resonant wave-like dark matter conversion into low-frequency radio waves in the Earth's ionosphere. [...]
arXiv:2405.13882. - 11 p.
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