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2024-06-12
06:20
AUP First Pre-Series Cryo-Assembly Design Production and Test Overview / Feher, S (Fermilab) ; Ambrosio, G (Fermilab) ; Apollinari, G (Fermilab) ; Baldini, M (Fermilab) ; Bossert, R (Fermilab) ; Carcagno, R (Fermilab) ; Chlachidze, G (Fermilab) ; DiMarco, J (Fermilab) ; Rabehl, R (Fermilab) ; Stoynev, S (Fermilab) et al.
New high field and large-aperture quadrupole magnets for the low-beta inner triplets (Q1, Q2, Q3) have been built and tested as part of the high-luminosity upgrade of the Large Hadron Collider (HL-LHC). These new quadrupole magnets are based on Nb3Sn superconducting technology. [...]
FERMILAB-CONF-23-0891-TD.- 2024 - 5 p. - Published in : IEEE Trans. Appl. Supercond. 34 (2024) 4005605 Fermilab Library Server: PDF; External link: Fermilab Library Server

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2024-06-12
06:20
Compatibility and combination of world W-boson mass measurements / LHC-TeV MW Working Group Collaboration
The compatibility of W-boson mass measurements performed by the ATLAS, LHCb, CDF, and D0 experiments is studied using a coherent framework with theory uncertainty correlations. The measurements are combined using a number of recent sets of parton distribution functions (PDF), and are further combined with the average value of measurements from the Large Electron-Positron collider. [...]
arXiv:2308.09417.- 2024 - 22 p. - Published in : Eur. Phys. J. C 84 (2024) 451 Fulltext: 2308.09417 - PDF; Publication - PDF;

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2024-06-12
06:20
Quantum Fuzzy Inference Engine for Particle Accelerator Control / Acampora, Giovanni (Naples U. ; INFN, Naples) ; Grossi, Michele (CERN) ; Schenk, Michael (CERN) ; Schiattarella, Roberto (Naples U. ; INFN, Naples)
Recently, quantum computing has been proven as an ideal theory for the design of fuzzy inference engines, thanks to its capability to efficiently solve the rule explosion problem. In this scenario, a quantum fuzzy inference engine (QFIE) was proposed as a quantum algorithm able to generate an exponential computational advantage over conventional fuzzy inference engines. [...]
2024 - 13 p. - Published in : IEEE Trans. Quantum Eng. 5 (2024) 1-13

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2024-06-12
06:19
Effects of High Fluence Particle Irradiation on Germanium-on-Silicon Photodiodes / Olanterä, Lauri (CERN) ; Scarcella, Carmelo (CERN) ; Lalović, Milana (CERN ; Belgrade U.) ; Détraz, Stéphane (CERN) ; Pandey, Awanish (CERN) ; Prousalidi, Theoni (CERN ; Natl. Tech. U., Athens) ; Sandven, Ulrik (CERN) ; Sigaud, Christophe (CERN) ; Soós, Csaba (CERN) ; Troska, Jan (CERN)
Waveguide-Integrated Germanium-on-Silicon (Ge-on-Si) photodiodes are integral components in silicon photonics and understanding their radiation tolerance is important for applications that intend to use silicon photonics in harsh radiation environments. Here we report the results of high fluence particle irradiation tests on Ge-on-Si photodiodes. [...]
2024 - 8 p. - Published in : IEEE Trans. Nucl. Sci. 71 (2024) 728-735

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2024-06-12
04:54
The maximal frequency of cosmic gravitons / Giovannini, Massimo (INFN, Milan Bicocca ; CERN)
We show that the maximal frequency of cosmic gravitons must not exceed the THz domain. From a classical viewpoint, both in conventional inflationary scenarios and in bouncing models the largest frequency of the spectrum overshoots the MHz band even if its specific signature is model dependent. [...]
arXiv:2311.17725.- 2024-06-03 - 11 p. - Published in : Phys. Lett. B 854 (2024) 138769 Fulltext: Publication - PDF; 2311.17725 - PDF;

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2024-06-12
04:53
Fuzzy bounces / Giovannini, Massimo (CERN ; INFN, Milan Bicocca)
We observe that the energy and the enthalpy densities can be smeared by two fudge factors that are constrained by the contracted Bianchi identities. Depending on the analytic properties of the smearing functions the underlying cosmological solutions belong to two physically different classes, namely the bounces of the scale factor and the curvature bounces. [...]
arXiv:2402.08089.- 2024-04-24 - 35 p. - Published in : Class. Quantum Gravity 41 (2024) 105010 Fulltext: 2402.08089 - PDF; Publication - PDF;

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2024-06-12
04:52
Dark matter bound-state formation in the Sun / Chu, Xiaoyong (Vienna, OAW) ; Garani, Raghuveer (INFN, Florence) ; García-Cely, Camilo (Valencia U., IFIC) ; Hambye, Thomas (Brussels U. ; CERN)
The Sun may capture asymmetric dark matter (DM), which can subsequently form bound-states through the radiative emission of a sub-GeV scalar. This process enables generation of scalars without requiring DM annihilation. [...]
arXiv:2402.18535.- 2024-05-06 - 32 p. - Published in : JHEP 2405 (2024) 045 Fulltext: 2402.18535 - PDF; Publication - PDF;

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2024-06-12
04:52
Long-sought isomer turns out to be the ground state of $^{76}$Cu / Canete, L. (Jyvaskyla U. ; Surrey U.) ; Giraud, S. (GANIL ; Michigan State U., East Lansing (main)) ; Kankainen, A. (Jyvaskyla U.) ; Bastin, B. (GANIL) ; Nowacki, F. (Strasbourg, IPHC) ; Ascher, P. (LP2I, Bordeaux) ; Eronen, T. (Jyvaskyla U.) ; Alcindor, V. Girard (GANIL ; IJCLab, Orsay) ; Jokinen, A. (Jyvaskyla U.) ; Khanam, A. (Jyvaskyla U. ; Surrey U. ; Helsinki U.) et al.
Isomers close to the doubly magic nucleus $^{78}$Ni ($Z=28$, $N=50$) provide essential information on the shell evolution and shape coexistence far from stability. The existence of a long-lived isomeric state in $^{76}$Cu has been debated for a long time. [...]
arXiv:2401.14018.- 2024-04-22 - 6 p. - Published in : Phys. Lett. B 853 (2024) 138663 Fulltext: 2401.14018 - PDF; Publication - PDF;

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2024-06-12
04:51
Pushing the high count rate limits of scintillation detectors for challenging neutron-capture experiments / Balibrea-Correa, J. (Valencia U. ; Valencia U., IFIC) ; Lerendegui-Marco, J. (Valencia U. ; Valencia U., IFIC) ; Babiano-Suarez, V. (Valencia U. ; Valencia U., IFIC) ; Domingo-Pardo, C. (Valencia U. ; Valencia U., IFIC) ; Ladarescu, I. (Valencia U. ; Valencia U., IFIC) ; Tarifeño-Saldivia, A. (Valencia U. ; Valencia U., IFIC) ; Fuente-Rosales, G. De La ; Alcayne, V. (Madrid, CIEMAT) ; Cano-Ott, D. (Madrid, CIEMAT) ; González-Romero, E. (Madrid, CIEMAT) et al.
One of the critical aspects for the accurate determination of neutron capture cross sections when combining time-of-flight and total energy detector techniques is the characterization and control of systematic uncertainties associated to the measuring devices. In this work we explore the most conspicuous effects associated to harsh count rate conditions: dead-time and pile-up effects. [...]
arXiv:2311.01365.- 2024-04-25 - 13 p. - Published in : Nucl. Instrum. Methods Phys. Res., A 1064 (2024) 169385 Fulltext: 2311.01365 - PDF; Publication - PDF;

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2024-06-12
04:50
The non-first-order-factorizable contributions to the three-loop single-mass operator matrix elements <math altimg="si1.svg"><msubsup><mrow><mi>A</mi></mrow><mrow><mi>Q</mi><mi>g</mi></mrow><mrow><mo stretchy="false">(</mo><mn>3</mn><mo stretchy="false">)</mo></mrow></msubsup></math> and <math altimg="si2.svg"><mi mathvariant="normal">Δ</mi><msubsup><mrow><mi>A</mi></mrow><mrow><mi>Q</mi><mi>g</mi></mrow><mrow><mo stretchy="false">(</mo><mn>3</mn><mo stretchy="false">)</mo></mrow></msubsup></math> / Ablinger, J. (Linz U. ; Linz U., RISC ; OAW, Linz, RICAM) ; Behring, A. (CERN) ; Blümlein, J. (DESY, Zeuthen ; Dortmund U.) ; De Freitas, A. (Linz U. ; Linz U., RISC ; DESY, Zeuthen) ; von Manteuffel, A. (Regensburg U.) ; Schneider, C. (Linz U. ; Linz U., RISC) ; Schönwald, K. (Zurich U.)
The non-first-order-factorizable contributions (The terms 'first-order-factorizable contributions' and 'non-first-order-factorizable contributions' have been introduced and discussed in Refs. \cite{Behring:2023rlq,Ablinger:2023ahe}. [...]
arXiv:2403.00513; ZU-TH-13/24; DO-TH-23/15; RISC Report series 24-02; CERN-TH-2024-30; DESY-24-027.- 2024-05-13 - 8 p. Fulltext: 2403.00513 - PDF; Publication - PDF;

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