CERN Accelerating science

Preprints

新增:
2023-03-30
15:52
New techniques for jet calibration with the ATLAS detector
A determination of the jet energy scale is presented using proton-proton collision data with a centre-of-mass energy of $\sqrt{s}=13$ TeV, corresponding to an integrated luminosity of 140 fb$^{-1}$ collected using the ATLAS detector at the LHC. [...]
CERN-EP-2023-028.
- 2023.
Fulltext - Previous draft version

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2023-03-30
15:48
Assessing the Usefulness of Assurance Cases: an Experience with the CERN Large Hadron Collider / Rees, Chris (Critical Systems Labs) ; Delgado, Mateo (Critical Systems Labs) ; Lippelt, Rolf (Critical Systems Labs) ; Joyce, Jeff (Critical Systems Labs) ; Diemert, Simon (Critical Systems Labs) ; Menghi, Claudio (McMasters University) ; Viger, Torin (University of Toronto) ; Chechik, Marsha (University of Toronto) ; Uythoven, Jan (CERN) ; Zerlauth, Markus (CERN) et al.
Assurance cases are structured arguments designed to show that a system functions properly in its operational environment. [...]
CERN-ACC-2023-0002.
- 2023.

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2023-03-30
10:46
Measurement of the Sensitivity of Two-Particle Correlations in $pp$ Collisions to the Presence of Hard Scatterings
A key open question in the study of multi-particle production in high-energy $pp$ collisions is the relationship between the ``ridge'' - observed azimuthal correlations between particles in the underlying event that extend over all rapidities - and hard or semi-hard scattering processes. [...]
CERN-EP-2023-036.
- 2023.
Fulltext - Previous draft version

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2023-03-30
04:21
Fast kernel methods for Data Quality Monitoring as a goodness-of-fit test / Grosso, Gaia (Padua U. ; INFN, Padua ; CERN) ; Lai, Nicolò (Padua U.) ; Letizia, Marco (Genoa U. ; INFN, Genoa) ; Pazzini, Jacopo (Padua U. ; INFN, Padua) ; Rando, Marco (Genoa U.) ; Rosasco, Lorenzo (Genoa U. ; Italian Inst. Tech., Genoa ; MIT) ; Wulzer, Andrea (Barcelona, IFAE ; ICREA, Barcelona ; Barcelona, Autonoma U.) ; Zanetti, Marco (Padua U. ; INFN, Padua)
We here propose a machine learning approach for monitoring particle detectors in real-time. [...]
arXiv:2303.05413.
- 16 p.
Fulltext

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2023-03-30
00:06
Observation of the $ \Upsilon $(3S) meson and suppression of $ \Upsilon $ states in PbPb collisions at $ \sqrt{\smash[b]{s_{_{\mathrm{NN}}}}} = $ 5.02 TeV
The production of $ \Upsilon $(2S) and $ \Upsilon $(3S) mesons in lead-lead (PbPb) and proton-proton (pp) collisions is studied in their dimuon decay channel using the CMS detector at the LHC. [...]
CERN-EP-2023-011 ; CMS-HIN-21-007-003.
- 2023.
Additional information for the analysis - CMS AuthorList - Fulltext

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2023-03-29
23:42
Probing small Bjorken-$ x $ nuclear gluonic structure via coherent J/$\psi$ photoproduction in ultraperipheral PbPb collisions at $ \sqrt{\smash[b]{s_{_{\mathrm{NN}}}}} = $ 5.02 TeV
Quasi-real photons exchanged in relativistic heavy ion interactions are powerful probes of the gluonic structure of nuclei. [...]
CERN-EP-2023-031 ; CMS-HIN-22-002-003.
- 2023.
Additional information for the analysis - CMS AuthorList - Fulltext

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2023-03-29
08:07
Development of novel low-mass module concepts based on MALTA monolithic pixel sensors / Weick, J. (CERN ; Darmstadt, Tech. Hochsch.) ; Dachs, F. (CERN) ; Riedler, P. (CERN) ; Pinto, M. Vicente Barreto (Geneva U.) ; Zoubir, A.M. (Darmstadt, Tech. Hochsch.) ; de Acedo, L. Flores Sanz (CERN) ; Asensi Tortajada, I. (CERN) ; Dao, V. (CERN) ; Dobrijevic, D. (CERN ; Zagreb U.) ; Pernegger, H. (CERN) et al.
The MALTA CMOS monolithic silicon pixel sensors has been developed in the Tower 180 nm CMOS imaging process. [...]
arXiv:2303.05792.
- 5 p.
Fulltext

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2023-03-29
08:07
Centrality-dependent modification of hadron and jet production in electron-nucleus collisions / Li, Hai Tao (Shandong U.) ; Liu, Ze Long (CERN) ; Vitev, Ivan (Los Alamos ; Sichuan U.)
Centrality-dependent measurements of hadron and jet cross section attenuation in deep inelastic scattering on nuclei can shed new light on the physics of final-state interactions in the nuclear matter, including the path-length dependence of the in-medium parton shower formation and evolution. [...]
arXiv:2303.14201 ; CERN-TH-2023-048 ; LA-UR-23-22860.
- 8 p.
Fulltext

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2023-03-29
04:18
Theory prediction in PDF fitting / Barontini, Andrea (Milan U. ; INFN, Milan) ; Candido, Alessandro (Milan U. ; INFN, Milan) ; Cruz-Martinez, Juan M. (CERN) ; Hekhorn, Felix (Milan U. ; INFN, Milan) ; Schwan, Christopher (Wurzburg U.)
Continuously comparing theory predictions to experimental data is a common task in analysis of particle physics such as fitting parton distribution functions (PDFs). [...]
arXiv:2303.07119.
- 5 p.
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2023-03-29
04:16
Techniques for mass production of large-sized GEM foil at Korea for CMS phase-2 upgrade / Yoon, I.
This study presents techniques for the mass production of large-sized GEM foils for the CMS phase-2 upgrade in Korea. [...]
arXiv:2303.15302.
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