2025-04-17
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The path towards measuring the gravitational field of proton bunches at accelerators
/ Braun, Daniel (Tubingen U.) ; Cai, Rongrong (CERN) ; Hermes, Pascal (CERN) ; Marchese, Marta Maria (IST, Austria) ; Nimmrichter, Stefan (Siegen U.) ; Pfeifer, Christian (Bremen U. ; Transilvania U., Brasov) ; Rätzel, Dennis (Bremen U.) ; Redaelli, Stefano (CERN) ; Ulbricht, Hendrik (Southampton U.)
The Newtonian law describing the gravitational interaction of non-relativistic (slowly moving) gravitating matter, has been tested in many laboratory experiments with very high precision. [...]
arXiv:2504.10942.
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2025-04-17
04:16 |
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2025-04-17
04:04 |
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t-channel dark matter at the LHC
/ Arina, Chiara (Louvain U., CP3) ; Fuks, Benjamin (Paris, LPTHE) ; Panizzi, Luca (Calabria U. ; INFN, Cosenza) ; Baker, Michael J. (Massachusetts U., Amherst) ; Cornell, Alan S. (Johannesburg U.) ; Heisig, Jan (RWTH Aachen U.) ; Maier, Benedikt (Imperial Coll., London) ; Pedro, Rute (LIP, Lisbon) ; Trischuk, Dominique (Caltech, Pasadena (main) ; Brandeis U.) ; Agin, Diyar (Paris, LPTHE) et al.
This report, summarising work achieved in the context of the LHC Dark Matter Working Group, investigates the phenomenology of $t$-channel dark matter models, spanning minimal setups with a single dark matter candidate and mediator to more complex constructions closer to UV-complete models. [...]
CERN-LPCC-2025-001 ; IRMP-CP3-25-07 ; TTK-25-07 ; arXiv:2504.10597.
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2025-04-16
04:08 |
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2025-04-16
04:07 |
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2025-04-16
04:07 |
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2025-04-16
04:06 |
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2025-04-16
04:04 |
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Comparison of smoothening flows for the topological charge in QCD-like theories
/ Butti, Pietro (Southern Denmark U., CP3-Origins) ; Della Morte, Michele (Southern Denmark U., CP3-Origins) ; Jäger, Benjamin (Southern Denmark U., CP3-Origins ; U. Southern Denmark, Odense, DIAS) ; Martins, Sofie (Southern Denmark U., CP3-Origins) ; Tsang, J. Tobias (CERN)
We investigate properties of the topological charge for several SU(NC) gauge field ensembles for NC = 4, 5, 6 with a single fermion in the two-index anti-symmetric representation, covering multiple lattice spacings at otherwise approximately constant physical parameters. [...]
CERN-TH-2025-079 ; arXiv:2504.10197.
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2025-04-15
12:53 |
CMS Inner Tracker Upgrade for the HL-LHC Design, Development, and Production Status
/ Kuo, Chin-chia (Hamburg U.)
/CMS Collaboration
The High Luminosity Large Hadron Collider operation will push the CMS experiment to its limits, with an instantaneous peak luminosity of $7.5 \times 10^{34} \, \text{cm}^{-2}\text{s}^{-1}$ and an integrated luminosity of $300 \, \text{fb}^{-1}$ per year. This environment will expose the CMS Inner Tracker (IT) pixel detector at the center of CMS to unprecedented levels of radiation, with a 1 MeV neutron equivalent fluence of $\Phi_{\text{eq}} = 2.6 \times 10^{16} \, \text{cm}^{-2}$ and a total ionizing dose of $13 \, \text{MGy}$ after $3000 \, \text{fb}^{-1}$ of integrated luminosity. [...]
CMS-CR-2025-084.-
Geneva : CERN, 2025 - 5 p.
Fulltext: PDF;
In : 17th Vienna Conference on Instrumentation (VCI2025), Vienna, Austria, 17 - 21 Feb 2025
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2025-04-15
10:00 |
CMS FlashSim end-to-end simulation with ML
/ Rizzi, Andrea (INFN, Pisa ; Pisa U.)
/CMS Collaboration
Detailed event simulation at the LHC is taking a large fraction of computing budget.CMS developed an end-to-end ML based simulation that can speed up the time for production of analysis samples of several orders of magnitude with a limited loss of accuracy. As the CMS experiment is adopting a common analysis level format, the NANOAOD, for a larger number of analyses, such an event representation is used as the target of this ultra fast simulation that we call FlashSim. [...]
CMS-CR-2025-027.-
Geneva : CERN, 2025 - 13 p.
Fulltext: PDF;
In : 27th International Conference on Computing in High Energy & Nuclear Physics, Kraków, Poland, 19 - 25 Oct 2024
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