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CERN Preprints

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2024-04-18
07:44
Madgraph5_aMC@NLO on GPUs and vector CPUs Experience with the first alpha release / Hageboeck, Stephan (CERN) ; Childers, Taylor (Argonne (main)) ; Hopkins, Walter (Argonne (main)) ; Mattelaer, Olivier (Cathol. U. Louvain (main)) ; Nichols, Nathan (Argonne (main)) ; Roiser, Stefan (CERN) ; Teig, Jørgen (CERN) ; Valassi, Andrea (CERN) ; Vuosalo, Carl (U. Wisconsin, Madison (main)) ; Wettersten, Zenny (CERN)
Madgraph5_aMC@NLO is one of the most-frequently used Monte-Carlo event generators at the LHC, and an important consumer of compute resources. [...]
arXiv:2312.02898.
- 8 p.
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2024-04-18
07:43
The ALE Partition Functions of M-String Orbifolds / Del Zotto, Michele (Uppsala U., Dept. Math. ; Uppsala U.) ; Lockhart, Guglielmo (Uppsala U., Dept. Math. ; CERN ; U. Bonn, Phys. Inst., BCTP)
The ALE partition functions of a 6d (1,0) SCFT are interesting observables which are able to detect the global structure of the SCFT. [...]
arXiv:2311.08462.
- 69 p.
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2024-04-18
04:34
Beam Test Performance Studies of CMS Phase-2 Outer Tracker Module Prototypes / CMS Tracker Group Collaboration
A new tracking detector will be installed as part of the Phase-2 upgrade of the CMS detector for the high-luminosity LHC era. [...]
arXiv:2404.08794.
- 40 p.
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2024-04-17
11:03
Climbing to the Top of the ATLAS 13 TeV data / ATLAS Collaboration
The large amount of data recorded with the ATLAS detector at the Large Hadron Collider, corresponding to 140 fb$^{-1}$ of $pp$ collisions at a centre-of-mass energy of $\sqrt{s}=13$ TeV, has brought our knowledge of the top quark to the next level. [...]
arXiv:2404.10674 ; CERN-EP-2024-099.
- 2024. - 88 p.
Fulltext - Previous draft version - Fulltext

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2024-04-17
04:12
Subleading power corrections for event shape variables in $e^+ e^-$ annihilation / Buonocore, Luca (Zurich U. ; CERN) ; Grazzini, Massimiliano (Zurich U.) ; Guadagni, Flavio (Zurich U.) ; Rottoli, Luca (Zurich U.)
We consider subleading power corrections to event shape variables in $e^+e^-$ collisions at the first order in the QCD coupling $\alpha_S$. [...]
arXiv:2311.12768.
- 20 p.
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2024-04-16
04:39
Symmetry-invariant quantum machine learning force fields / Le, Isabel Nha Minh (IBM, Zurich ; JARA, Aachen) ; Kiss, Oriel (CERN) ; Schuhmacher, Julian (IBM, Zurich) ; Tavernelli, Ivano (IBM, Zurich) ; Tacchino, Francesco (IBM, Zurich)
Machine learning techniques are essential tools to compute efficient, yet accurate, force fields for atomistic simulations. [...]
arXiv:2311.11362.
- 12 p.
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2024-04-16
04:38
Gradients and frequency profiles of quantum re-uploading models / Barthe, Alice (U. Leiden (main) ; CERN ; Leiden U.) ; Pérez-Salinas, Adrián (Leiden U. ; U. Leiden (main))
Quantum re-uploading models have been extensively investigated as a form of machine learning within the context of variational quantum algorithms. [...]
arXiv:2311.10822.
- 21 p.
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2024-04-16
04:36
Comparison among Classical, Probabilistic and Quantum Algorithms for Hamiltonian Cycle problem / Corrente, Giuseppe (Turin U. ; INFN, Turin) ; Stanzione, Carlo Vincenzo (Pisa U. ; INFN, Pisa ; CERN) ; Stanzione, Vittoria (Pisa U. ; Naples U. ; INFN, Naples)
The Hamiltonian cycle problem (HCP), which is an NP-complete problem, consists of having a graph G with n nodes and m edges and finding the path that connects each node exactly once. [...]
arXiv:2311.10941.
- 18 p.
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2024-04-16
04:35
Gas Counters Aging for Dummies / Sauli, Fabio (CERN)
Invited presentation at the 3rd International Conference on Detector Stability and Aging Phenomena in Gasous Detectors, this work summarizes the major outcomes of research on the processes of performance degradation of gaseous detectors on exposure to ionizing radiation, since the first observations with Multi-Wire Proportional Chambers in the early seventies of last century..
arXiv:2311.11641.
- 14 p.
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2024-04-15
12:07
Probing the dynamical evolution of QGP using charge-dependent correlations and fluctuations at CMS / Chatterjee, Sayan (Indian Inst. Tech., Madras) /CMS Collaboration
We present the first studies of net-charge fluctuations and charge-balance functions using the broad rapidity coverage of the CMS experiment. These types of event-by-event fluctuations are a powerful tool to characterize the thermodynamic properties of the quark-gluon plasma (QGP). [...]
CMS-CR-2024-040.- Geneva : CERN, 2024 - 6 p. Fulltext: PDF;
In : 16th Workshop on Particle Correlations and Femtoscopy (WPCF 2023), Catania, Italy, 6 - 10 Nov 2023

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