CERN Accelerating science

CERN Preprints

Последно добавени:
2019-09-18
05:21
Beam impact tests of a prototype target for the Beam Dump Facility at CERN: experimental setup and preliminary analysis of the online results / Lopez Sola, E. (CERN) ; Calviani, M. (CERN) ; Aberle, O. (CERN) ; Ahdida, C. (CERN) ; Avigni, P. (CERN) ; Battistin, M. (CERN) ; Bianchi, L. (CERN) ; Burger, S. (CERN) ; Busom Descarrega, J. (CERN) ; Canhoto Espadanal, J. (CERN) et al.
The Beam Dump Facility (BDF) is a project for a new facility at CERN dedicated to high intensity beam dump and fixed target experiments. [...]
arXiv:1909.07094.
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2019-09-18
05:20
New Results from the Cosmic-Ray Program of the NA61/SHINE facility at the CERN SPS / Unger, Michael
The NA61/SHINE experiment at the SPS accelerator at CERN is a unique facility for the study of hadronic interactions at fixed target energies. [...]
arXiv:1909.07136.
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2019-09-18
05:20
Study of $\pmb{R_{\rm AA}}$ and $\pmb{v_2}$ of non-strange D mesons and D-jet production in Pb-Pb collisions with ALICE / Grosa, Fabrizio
Heavy quarks are sensitive probes of the colour-deconfined medium formed in ultra-relativistic heavy-ion collisions, the Quark-Gluon Plasma (QGP). [...]
arXiv:1909.06562.
- 6 p.
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2019-09-17
15:00
Increasing Windows security by hardening PC configurations / Martin Zamora, Pablo (CERN) ; Kwiatek, Michal (CERN) ; Bippus, Vincent Nicolas (CERN) ; Cruz Elejalde, Eneko (Universidad de Oviedo (ES))
Over 8000 Windows PCs are actively used on the CERN site for tasks ranging from controlling the accelerator facilities to processing invoices. [...]
CERN-IT-2019-003 ; Poster-2018-664.
- 2019. - 8 p.
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2019-09-17
11:15
CP-violating Higgs-gauge boson couplings in $H\nu \bar{\nu}$ production at three energy stages of CLIC / Karadeniz, Ozgun (Bolu Abant Izzet Baysal University) ; Senol, Abdulkadir (Abant Izzet Baysal University (TR)) ; Oyulmaz, Kaan Yuksel (Abant Izzet Baysal University (TR)) ; Denizli, Haluk (Ankara University Institute of Accelerator Technologies (TR))
A phenomenological study of CP-violating dimension-six operators via the $e^+e^−$ → $\nu \bar{\nu} H$ process is performed in a model-independent Standard Model effective field theory framework at all energy stages of CLIC using the updated baseline integrated luminosities. All signal and relevant background events are generated in MadGraph5_aMC@NLO and passed through PYTHIA 8 for parton showering and hadronization at parton level. [...]
CLICdp-Pub-2019-004.- Geneva : CERN, 2019 - 17. Fulltext: PDF;

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2019-09-17
05:43
Bayesian unfolding of charged particle $p_{\mathrm{T}} $ spectra with ALICE at the LHC / Krüger, Mario
The study of the Quark-Gluon Plasma created in ultrarelativistic heavy-ion collisions at the CERN-LHC is complemented by reference measurements in proton-lead (p--Pb) and proton-proton (pp) collisions, where the effects of multiple-parton interactions and hadronization beyond independent string fragmentation can be investigated. [...]
arXiv:1909.06109.
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2019-09-16
15:22
Strong constraints on the $K^0_s \to \mu^+ \mu^-$ branching fraction /LHCb Collaboration
A search for the decay $K^0_s \to \mu^+ \mu^-$ is performed using proton-proton collision data, corresponding to an integrated luminosity of $5.6 \, \text {fb}^{-1}$, collected with the LHCb experiment during 2016, 2017 and 2018 at a center-of-mass energy of $13\,\mathrm{TeV}$. The observed number of signal decays is consistent with zero, yielding an upper limit of $\mathcal {B}( K^0_s \to \mu^+ \mu^-) < 2.2\,(2.6)\times 10^{-10}$ at $90$ $(95)\% ~\text {CL}$ [...]
LHCb-CONF-2019-002; CERN-LHCb-CONF-2019-002.- Geneva : CERN, 2019 - 9. Fulltext: PDF;
In : International Conference on Kaon Physics 2019, Perugia, Italy, 10 - 13 Sep 2019

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2019-09-14
05:19
Cosmological Parameters from the BOSS Galaxy Power Spectrum / Ivanov, Mikhail M. ; Simonović, Marko ; Zaldarriaga, Matias
We present cosmological parameter measurements from the publicly available Baryon Oscillation Spectroscopic Survey (BOSS) data on anisotropic galaxy clustering in Fourier space. [...]
arXiv:1909.05277 ; INR-TH-2019-016 ; CERN-TH-2019-132.
- 50 p.
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2019-09-14
05:19
Strangeness Production in Jets and Underlying Events in pp Collisions at $\sqrt{s}$ = 13 TeV with ALICE / Cui, Pengyao
The production of $\mathrm{K^0_S}$, $\Lambda$ and $\Xi$ is measured in jets and underlying events in pp collisions at $\sqrt{s}$ = 13 TeV with ALICE detectors. [...]
arXiv:1909.05471.
- 4 p.
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2019-09-14
05:19
Directionally Accelerated Detection of an Unknown Second Reactor with Antineutrinos for Mid-Field Nonproliferation Monitoring / Rare Event Detection Group, Lawrence Livermore National Laboratory Collaboration
When monitoring a reactor site for nuclear nonproliferation purposes, the presence of an unknown or hidden nuclear reactor could be obscured by the activities of a known reactor of much greater power nearby. [...]
arXiv:1909.05374 ; LA-UR-19-28595.
- 9 p.
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