CERN Accelerating science

Preprints

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2021-06-15
06:25
Design and Construction of an Instrumentation System to Capture the Response of Advanced Materials Impacted by Intense Proton Pulses / Carra, F (CERN) ; Charrondiere, C (CERN) ; Guinchard, M (CERN) ; Sacristan de Frutos, O (CERN)
In recent years, significant efforts were taken at CERN and other high-energy physics laboratories to study and predict the consequences of particle beam impacts on devices such as collimators, targets, and dumps. [...]
2021. - 20 p.

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2021-06-15
06:25
Radiation Hardness Assurance Through System-Level Testing: Risk Acceptance, Facility Requirements, Test Methodology, and Data Exploitation / Coronetti, Andrea (CERN ; Jyvaskyla U.) ; Garcia Alia, Ruben (CERN) ; Budroweit, Jan (DLR, Bremen) ; Rajkowski, Tomasz (Unlisted, FR) ; Da Costa Lopes, Israel (IES, Montpellier) ; Niskanen, Kimmo (IES, Montpellier) ; Soderstrom, Daniel (Jyvaskyla U.) ; Cazzaniga, Carlo (Rutherford) ; Ferraro, Rudy (CERN) ; Danzeca, Salvatore (CERN) et al.
2021. - 12 p.

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2021-06-15
04:00
Anomalous couplings in associated $VH$ production with Higgs decay to massive $b$ quarks at NNLO in QCD / Bizoń, Wojciech (KIT, Karlsruhe) ; Caola, Fabrizio (Oxford U., Theor. Phys.) ; Melnikov, Kirill (KIT, Karlsruhe) ; Röntsch, Raoul (CERN)
We combine the NNLO QCD description of Higgs boson production in association with an electroweak vector boson $V = W~{\rm or}~Z$ with a similarly-precise description of Higgs boson decays into a pair of massive $b$ quarks and with the anomalous couplings that modify interactions of the Higgs and electroweak vector bosons. [...]
arXiv:2106.06328.
- 28 p.
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2021-06-15
04:00
Observational prospects for phase transitions at LISA: Fisher matrix analysis / Gowling, Chloe (Sussex U. ; U. Helsinki (main) ; CERN ; Helsinki U.) ; Hindmarsh, Mark
A first order phase transition at the electroweak scale would lead to the production of gravitational waves that may be observable at upcoming space-based gravitational wave (GW) detectors such as LISA (Laser Interferometer Space Antenna). [...]
arXiv:2106.05984.
- 37 p.
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2021-06-15
04:00
Performance of the MICE diagnostic system / Mice Collaboration
Muon beams of low emittance provide the basis for the intense, well-characterised neutrino beams of a neutrino factory and for multi-TeV lepton-antilepton collisions at a muon collider. [...]
arXiv:2106.05813 ; RAL-P-2021-001.
- 27 p.

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2021-06-15
04:00
Proton-neutron pairing correlations in the self-conjugate nucleus $^{42}$Sc / Koszorus, Agota (Liverpool U.) ; Vormawah, Liam (Liverpool U.) ; Beerwerth, Randolf (Helmholtz Inst., Jena) ; Bissell, Mark (Manchester U.) ; Campbell, Paul (Manchester U.) ; Cheal, Bradley (Liverpool U.) ; Devlin, Charlie (Liverpool U.) ; Eronen, Tommi (Jyvaskyla U.) ; Fritzsche, Stephan (Helmholtz Inst., Jena) ; Geldhof, Sarina (Jyvaskyla U. ; Leuven U.) et al.
Collinear laser spectroscopy of the $N=Z=21$ self-conjugate nucleus $^{42}$Sc has been performed at the JYFL IGISOL IV facility in order to determine the change in nuclear mean-square charge radius between the $I^{\pi}=0^{+}$ ground state and the $I^{\pi}=7^{+}$ isomer via the measurement of the $^{42\mathrm{g},42\mathrm{m}}$Sc isomer shift. [...]
arXiv:2102.01988.
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2021-06-13
04:01
Discriminating same-mass Neutron Stars and Black Holes gravitational wave-forms / Coupechoux, J.-F. ; Arbey, A. ; Chierici, R. ; Hansen, H. ; Margueron, J. ; Sordini, V.
Gravitational wave-forms from coalescences of binary black hole systems and binary neutron star systems with low tidal effects can hardly be distinguished if the two systems have similar masses. [...]
CERN-TH-2021-088 ; arXiv:2106.05805.
- 18 p.
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2021-06-13
04:00
Sterile Neutrinos / Dasgupta, Basudeb (Tata Inst.) ; Kopp, Joachim (CERN ; Mainz U.)
Neutrinos, being the only fermions in the Standard Model of Particle Physics that do not possess electromagnetic or color charges, have the unique opportunity to communicate with fermions outside the Standard Model through mass mixing. [...]
arXiv:2106.05913.
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2021-06-13
04:00
Using CMS Open Data in research -- challenges and directions / Lassila-Perini, Kati (Helsinki Inst. of Phys.) ; Lange, Clemens (CERN) ; Jarrin, Edgar Carrera (San Francisco de Quito U.) ; Bellis, Matthew (Siena U. ; Pisa U.)
The CMS experiment at CERN has released research-quality data from particle collisions at the LHC since 2014. [...]
arXiv:2106.05726.
- 12 p.
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2021-06-13
04:00
Radiation-induced effects in glass windows for optical readout GEM-based detectors / Oliveira, A. Maia (CERN ; Bern U., LHEP) ; Braccini, S. (Bern U., LHEP) ; Casolaro, P. (Bern U., LHEP) ; Heracleous, N. (CERN) ; Leidner, J. (CERN) ; Mateu, I. (Bern U., LHEP) ; Murtas, F. (CERN ; Frascati) ; Silari, M. (CERN)
In this paper we present irradiation measurements performed to select a transparent anode substrate that best meets the requirements of an optical readout for a novel detector, the LaGEMPix. [...]
arXiv:2106.04645.
- 13 p.
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