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CERN Preprints

Darreres entrades:
2021-06-17
16:39
Search for R-parity violating supersymmetry in a final state containing leptons and many jets with the ATLAS experiment using $\sqrt{s} = 13$ TeV proton-proton collision data
A search for R-parity violating supersymmetry in final states characterised by high jet multiplicity, at least one isolated light lepton and either zero or at least three $b$-tagged jets is presented. [...]
CERN-EP-2021-066.
- 2021.
Fulltext - Previous draft version

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2021-06-17
09:32
Measurements of sensor radiation damage in the ATLAS inner detector using leakage currents
Non-ionizing energy loss causes bulk damage to the silicon sensors of the ATLAS pixel and strip detectors. [...]
CERN-EP-2021-055.
- 2021.
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2021-06-17
04:48
Evolution of the energy efficiency of LHCb's real-time processing / Aaij, Roel (NIKHEF, Amsterdam) ; Pérez, Daniel Hugo Cámpora (Unlisted, NL) ; Colombo, Tommaso (CERN) ; Fitzpatrick, Conor (Manchester U.) ; Gligorov, Vladimir Vava (Paris U., VI-VII) ; Hennequin, Arthur (CERN ; LIP6, Paris) ; Neufeld, Niko (CERN) ; Nolte, Niklas (MIT) ; Schwemmer, Rainer (CERN) ; Bruch, Dorothea Vom (Marseille, CPPM)
The upgraded LHCb detector, due to start datataking in 2022, will have to process an average data rate of 4~TB/s in real time. [...]
arXiv:2106.07701.
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2021-06-17
04:48
$K^{0}_{S}$ meson production in inelastic $\textit{p+p}$ interactions at 158 GeV/c beam momentum measured by NA61/SHINE at the CERN SPS / NA61/SHINE Collaboration
The production of $K^{0}_{S}$ mesons in inelastic $\textit{p+p}$ collisions at beam momentum 158 GeV/c ($\sqrt{s_{NN}}=17.3$ GeV) was measured with the NA61/SHINE spectrometer at the CERN Super Proton Synchrotron. [...]
arXiv:2106.07535.
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2021-06-17
04:48
The diagrammatic coaction beyond one loop / Abreu, Samuel (CERN ; UCLA ; U. Edinburgh, Higgs Ctr. Theor. Phys.) ; Britto, Ruth (Trinity Coll., Dublin ; Hamilton Math. Inst., Dublin ; IPhT, Saclay) ; Duhr, Claude (CERN) ; Gardi, Einan (U. Edinburgh, Higgs Ctr. Theor. Phys.) ; Matthew, James (U. Edinburgh, Higgs Ctr. Theor. Phys.)
The diagrammatic coaction maps any given Feynman graph into pairs of graphs and cut graphs such that, conjecturally, when these graphs are replaced by the corresponding Feynman integrals one obtains a coaction on the respective functions. [...]
arXiv:2106.01280.
- 65 p.
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2021-06-17
04:48
Optical pumping of ultra-relativistic ions / Bieroń, Jacek (Jagiellonian U.) ; Krasny, Mieczyslaw Witold (Paris U., VI-VII ; CERN) ; Placzek, Wieslaw (Jagiellonian U.) ; Pustelny, Szymon (Jagiellonian U.)
The Gamma Factory (GF) initiative aims at construction of a unique experimental tool exploiting resonant interaction of light with ultra-relativistic partially stripped ions (PSI) stored in circular accelerators at CERN. [...]
arXiv:2106.00330.
- 13 p.
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2021-06-17
04:48
Radioactive ion beam production at the Gamma Factory / Nichita, Dragos (ELI-NP, Bucharest ; U. Polytechnic Bucharest (main)) ; Balabanski, Dimiter (ELI-NP, Bucharest ; U. Polytechnic Bucharest (main)) ; Constantin, Paul (ELI-NP, Bucharest) ; Krasny, Witold (Paris U., VI-VII ; CERN) ; Placzek, Wieslaw (Jagiellonian U.)
A very intense gamma beam of the Gamma Factory facility proposed at CERN can be used to generate radioactive ion beams (RIBs) with high production yields and study the structure of exotic neutron-rich nuclei. [...]
arXiv:2105.13058.
- 11 p.
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2021-06-16
09:00
Identification and analyses of $K^+K^−$ pairs / Benelli, A. ; Smolik, J. ; Yazkov, V.
DIRAC-NOTE-2020-01.
- 2020. - 14 p.
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2021-06-16
08:57
A constructive way to calculate a yield of $π^+π^ −$-atoms from the Be target / Zhabitsky, M. (Dubna, JINR)
This note describes details of a constructive approach to calculate with sufficient precision a yield of $π^+π^−$-atoms from the Be target..
DIRAC-NOTE-2018-02.
- 2019. - 4 p.
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2021-06-16
08:49
Fractions of $K^+K^−$ pairs with $K^+$ or $K^−$ mesons from the resonance decays in pp interactions at 24 GeV/$c$ / Chliapnikov, P. V. (Serpukhov, IHEP)
The Coulomb $K^+K^−$ correlations might be sensitive to non point-like $K^+K^−$ pair production due to influence of kaons from decays of resonances with relatively small widths [...]
DIRAC-NOTE-2018-01.
- 2018. - 4 p.
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