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CERN Accelerating science

Preprints

Latest additions:
2022-06-24
16:34
Measurement of muon pairs produced via $\gamma\gamma$ scattering in non-ultraperipheral Pb+Pb collisions at $\sqrt{s_{_\mathrm{NN}}} = 5.02$ TeV with the ATLAS detector
Results of a measurement of dimuon photoproduction in non-ultraperipheral Pb+Pb collisions at $\sqrt{s_{_\mathrm{NN}}} = 5.02$ TeV are presented. [...]
CERN-EP-2022-047.
- 2022.
Fulltext - Previous draft version

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2022-06-24
11:52
Search for light long-lived neutral particles that decay to collimated pairs of leptons or light hadrons in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
A search for light long-lived neutral particles with masses in the O(MeV-GeV) range is presented. [...]
CERN-EP-2022-054.
- 2022.
Fulltext - Previous draft version

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2022-06-24
05:03
A new life for sterile neutrino dark matter after the pandemic / Bringmann, Torsten (Oslo U. ; CERN) ; Depta, Paul Frederik ; Hufnagel, Marco ; Kersten, Jörn (Korea Inst. Advanced Study, Seoul ; Bergen U.) ; Ruderman, Joshua T. ; Schmidt-Hoberg, Kai
We propose a novel mechanism to generate sterile neutrinos $\nu_s$ in the early Universe, by converting ordinary neutrinos $\nu_\alpha$ in scattering processes $\nu_s\nu_\alpha\to\nu_s\nu_s$. [...]
arXiv:2206.10630 ; CERN-TH-2022-099 ; DESY 22-102 ; ULB-TH/22-09.
- 11 p.
Fulltext

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2022-06-24
04:59
Search for a light muon-philic $Z^\prime$ with the NA64-$e$ experiment at CERN / NA64 Collaboration
The extension of Standard Model made by inclusion of additional $U(1)$ gauge $L_\mu-L_\tau$ symmetry can explain the difference between the measured and the predicted value of the muon magnetic moment and solve the tension in $B$ meson decays. [...]
arXiv:2206.03101.
- 11 p.
Fulltext

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2022-06-24
04:37
QONNX: Representing Arbitrary-Precision Quantized Neural Networks / Pappalardo, Alessandro (Unlisted, IE) ; Umuroglu, Yaman (Unlisted, IE) ; Blott, Michaela (Unlisted, IE) ; Mitrevski, Jovan (Fermilab) ; Hawks, Ben (Fermilab) ; Tran, Nhan (Fermilab) ; Loncar, Vladimir (MIT, LNS) ; Summers, Sioni (CERN) ; Borras, Hendrik (U. Heidelberg) ; Muhizi, Jules (Harvard U. (main)) et al.
We present extensions to the Open Neural Network Exchange (ONNX) intermediate representation format to represent arbitrary-precision quantized neural networks. [...]
arXiv:2206.07527 ; FERMILAB-CONF-22-471-SCD.
- 9 p.
Fulltext

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2022-06-22
06:27
Coupling NANF to Silicon Photonics circuits / Scarcella, C (CERN) ; Soòs, R (CERN) ; Troska, J (CERN) ; Ricci, D (CERN) ; Toccafondo, I (CERN) ; Medaer, S (CERN) ; Taranta, A (Southampton U.) ; Poletti, F (Southampton U.)
We present the first demonstration of optical coupling between hollow core fibers and Silicon Photonics circuits. [...]
2022. - 3 p.
Full text

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2022-06-22
06:27
Design of an input filter stage for a multi-phase H-bridge interleaved modular converter / Maestri, S (U. Buenos Aires) ; Wassinger, N (U. Buenos Aires) ; Retegui, R Garcia (U. Buenos Aires) ; Antoszczuk, P (U. Buenos Aires) ; Pittet, S (CERN) ; Burnet, JP (CERN)
The upgrade of the Large Hadron Collider (LHC) into High Luminosity-LHC (HL-LHC) presents different challenges, among them, the development of the power converters supplying the inner triplet magnets with the required 18 kA DC currents. [...]
2020. - 8 p.

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2022-06-22
06:27
Control strategy for an interleaved converter based on parallel H-bridge structures / Garcia Retegui, R (U. Buenos Aires) ; Wassinger, N (U. Buenos Aires) ; Maestri, S (U. Buenos Aires) ; Pittet, S (CERN) ; Burnet, JP (CERN)
In order to supply the new inner triplet magnets of the High Luminosity Large Hadron Collider (HL-LHC) with the required 18kA of DC current, new power converters are under development. [...]
2020. - 6 p.

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2022-06-22
06:27
Search for nonresonant Higgs boson pair production in the four leptons plus two b jets final state in proton-proton collisions at $\sqrt{s} = $ 13 TeV
The first search for nonresonant production of Higgs boson pairs (HH) with one H decaying into four leptons and the other into a pair of b quarks is presented, using proton-proton collisions recorded at a center-of-mass energy of $\sqrt{s} = $ 13 TeV by the CMS experiment. [...]
arXiv:2206.10657 ; CMS-HIG-20-004 ; CERN-EP-2022-114 ; CMS-HIG-20-004-003.
- 2022.
Additional information for the analysis - CMS AuthorList - Fulltext - Fulltext

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2022-06-22
04:14
ASFAP Working Group Summary of Societal Engagements / Laassiri, Mounia (Mohammed V U., Agdal) ; Nibamureke, Marie Clementine (Johannesburg U.) ; Fankam, Bertrand Tchanche (Unlisted, SN) ; Ramaila, Sam (Johannesburg U.) ; Boye-Faye, Ndeye Arame (Johannesburg U.) ; Boye, Diallo (Brookhaven Natl. Lab.) ; Cyulinyana, Marie Chantal (Rwanda U.) ; Raich, Uli (CERN) ; Mimouni, Jamal (Constantine U.) ; Mulilo, Benard (Constantine U.) et al.
The second African Conference of Fundamental and Applied Physics (ACP2021) took place in the week of March 7-11, 2022. [...]
arXiv:2205.11362.
- 7 p.
Fulltext

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