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CERN Document Server 2,050 records found  1 - 10próximoend  jump to record: Search took 0.41 seconds. 
1.
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Quantum Angle Generator for Image Generation / Florian, Rehm (CERN ; RWTH Aachen U.) ; Vallecorsa Sofia (CERN) ; Grossi Michele (CERN) ; Kerstin, Borras (DESY ; CERN ; RWTH Aachen U.) ; Krücker Dirk (DESY) ; Schnake Simon (DESY ; RWTH Aachen U.) ; Alexis-Harilaos, Verney-Provatas (DESY ; RWTH Aachen U.)
The Quantum Angle Generator (QAG) is a new generative model for quantum computers. It consists of a parameterized quantum circuit trained with an objective function. [...]
2022 - 5 p. - Published in : 10.1109/SEC54971.2022.00064
In : 2022 IEEE/ACM 7th Symposium on Edge Computing (SEC 2022), Seattle, Washington, United States, 5 - 8 Dec 2022, pp.425-429
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Precise Image Generation on Current Noisy Quantum Computing Devices / Rehm, Florian (CERN ; RWTH Aachen U.) ; Vallecorsa, Sofia (CERN) ; Borras, Kerstin (RWTH Aachen U. ; DESY) ; Krücker, Dirk (DESY) ; Grossi, Michele (CERN) ; Varo, Valle (DESY)
The Quantum Angle Generator (QAG) is a new full Quantum Machine Learning model designed to generate accurate images on current Noise Intermediate Scale (NISQ) Quantum devices. Variational quantum circuits form the core of the QAG model, and various circuit architectures are evaluated. [...]
arXiv:2307.05253.- 2023-10-30 - 22 p. - Published in : Quantum Sci. Technol. 9 (2024) 015009 Fulltext: document - PDF; 2307.05253 - PDF;
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Precise Quantum Angle Generator Designed for Noisy Quantum Devices / Rehm, Florian (CERN ; DESY) ; Vallecorsa, Sofia (RWTH Aachen U.) ; Borras, Kerstin (DESY) ; Krücker, Dirk (RWTH Aachen U.) ; Grossi, Michele (RWTH Aachen U.) ; Varo, Valle (RWTH Aachen U.)
The Quantum Angle Generator (QAG) is a cutting-edge quantum machine learning model designed to generate precise images on current Noise Intermediate Scale Quantum devices. It utilizes variational quantum circuits and incorporates the MERA-upsampling architecture, achieving exceptional accuracy. [...]
2024 - 8 p. - Published in : EPJ Web Conf. 295 (2024) 12006 Fulltext: PDF;
In : 26th International Conference on Computing in High Energy & Nuclear Physics, Norfolk, Virginia, Us, 8 - 12 May 2023, pp.12006
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4.
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Quantum Computing for High-Energy Physics : State of the Art and Challenges / Di Meglio, Alberto (CERN) ; Jansen, Karl (DESY, Zeuthen ; Cyprus Inst.) ; Tavernelli, Ivano (IBM, Zurich) ; Alexandrou, Constantia (Cyprus U. ; Cyprus Inst.) ; Arunachalam, Srinivasan (IBM Watson Res. Ctr.) ; Bauer, Christian W. (LBNL, Berkeley) ; Borras, Kerstin (DESY ; Aachen, Tech. Hochsch.) ; Carrazza, Stefano (Milan U. ; CERN) ; Crippa, Arianna (DESY, Zeuthen ; Humboldt U., Berlin) ; Croft, Vincent (U. Leiden (main)) et al.
Quantum computers offer an intriguing path for a paradigmatic change of computing in the natural sciences and beyond, with the potential for achieving a so-called quantum advantage, namely a significant (in some cases exponential) speed-up of numerical simulations. The rapid development of hardware devices with various realizations of qubits enables the execution of small scale but representative applications on quantum computers. [...]
arXiv:2307.03236; FERMILAB-PUB-23-468-ETD.- 2024-08-01 - 49 p. - Published in : PRX Quantum 5 (2024) 037001 Fulltext: 2307.03236 - PDF; FERMILAB-PUB-23-468-ETD - PDF; Fulltext from Publisher: PDF; External link: Fermilab Library Server
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5.
(36)
Measurement of the primary Lund jet plane density in proton-proton collisions at $ \sqrt{\textrm{s}} $ = 13 TeV / CMS Collaboration
A measurement is presented of the primary Lund jet plane (LJP) density in inclusive jet production in proton-proton collisions. The analysis uses 138 fb$ ^{-1} $ of data collected by the CMS experiment at $ \sqrt{s} = $ 13 TeV. [...]
arXiv:2312.16343; CMS-SMP-22-007; CERN-EP-2023-282; CMS-SMP-22-007-003.- Geneva : CERN, 2024-05-10 - 59 p. - Published in : JHEP 2405 (2024) 116 Fulltext: 2312.16343 - PDF; 200411dd73b31f6c7171bd93306c206f - PDF; Fulltext from Publisher: PDF; External link: Fermilab Library Server
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6.
(35)
CMS pythia  8 colour reconnection tunes based on underlying-event data / CMS Collaboration
New sets of parameter tunes for two of the colour reconnection models, quantum chromodynamics-inspired and gluon-move, implemented in the PYTHIA 8 event generator, are obtained based on the default CMS PYTHIA 8 underlying-event tune, CP5. Measurements sensitive to the underlying event performed by the CMS experiment at centre-of-mass energies $\sqrt{s}$ = 7 and 13 TeV, and by the CDF experiment at 1.96 TeV are used to constrain the parameters of colour reconnection models and multiple-parton interactions simultaneously. [...]
arXiv:2205.02905; CMS-GEN-17-002; CERN-EP-2022-005.- 2023-07-10 - 41 p. - Published in : Eur. Phys. J. C 83 (2023) 587 Fulltext: 2205.02905 - PDF; CMS-GEN-17-002-arXiv - PDF; Fulltext from Publisher: document - PDF; preprint - PDF; External links: Additional information for the analysis; CMS AuthorList
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7.
(35)
Model-independent measurement of charm mixing parameters in $\bar{B} \rightarrow D^0 ( \rightarrow K_S^0 \pi^+ \pi^-) \mu^- \bar{\nu}_\mu X$ decays / LHCb Collaboration
A measurement of charm mixing and $CP$-violating parameters is reported, using $\bar{B} \rightarrow D^0 ( \rightarrow K_S^0 \pi^+ \pi^-) \mu^-\bar{\nu}_\mu X$ decays reconstructed in proton-proton collisions collected by the LHCb experiment during the years 2016 to 2018, corresponding to an integrated luminosity of 5.4 fb$^{-1}$. The measured mixing and $CP$-violating parameters are $x_{\rm CP} = [ \,\,\,\,\,4.29 \pm 1.48 \mbox{(stat)} \pm 0.26 \mbox{(syst)} ] \times 10^{-3}\,, $ $y_{\rm CP} = [ \,\,12.61 \pm 3.12 \mbox{(stat)} \pm 0.83 \mbox{(syst)} ] \times 10^{-3} \,, $ $\Delta x \,\,= [ -0.77 \pm 0.93 \mbox{(stat)} \pm 0.28 \mbox{(syst)} ] \times 10^{-3} \,,$ $\Delta y \, = [ \,\,\,\,\,3.01 \pm 1.92 \mbox{(stat)} \pm 0.26 \mbox{(syst)} ] \times 10^{-3} \,.$ The results are complementary to and consistent with previous measurements. [...]
arXiv:2208.06512; LHCb-PAPER-2022-020; CERN-EP-2022-160.- 2023-09-01 - 17 p. - Published in : Phys. Rev. D 108 (2023) 052005 Fulltext: LHCb-PAPER-2022-020_EBFinal - PDF; 2208.06512 - PDF; Publication - PDF; Related data file(s): ZIP;
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8.
(34)
Measurement of the prompt $D^0$ nuclear modification factor in $p$Pb collisions at $\sqrt{s_\mathrm{NN}} = 8.16$ TeV / LHCb Collaboration
The production of prompt $D^0$ mesons in proton-lead collisions in the forward and backward configurations at a center-of-mass energy per nucleon pair of $\sqrt{s_\mathrm{NN}} = 8.16~\mathrm{TeV}$ is measured by the LHCb experiment. The nuclear modification factor of prompt $D^0$ mesons is determined as a function of the transverse momentum $p_\mathrm{T}$, and rapidity in the nucleon-nucleon center-of-mass frame $y^*$. [...]
arXiv:2205.03936; LHCb-PAPER-2022-007; CERN-EP-2022-082.- Geneva : CERN, 2023-09-06 - 12 p. - Published in : Phys. Rev. Lett. 131 (2023) 102301 Fulltext: LHCb-PAPER-2022-007 - PDF; 2205.03936 - PDF; Publication - PDF; Related data file(s): ZIP; supplementary information: ZIP;
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Amplitude analysis of the $\Lambda^+_c\to pK^-\pi^+$ decay and $\Lambda^+_c$ baryon polarization measurement in semileptonic beauty hadron decays / LHCb Collaboration
An amplitude analysis of $\Lambda^+_c \to pK^-\pi^+$ decays together with a measurement of the $\Lambda^+_c$ polarization vector in semileptonic beauty hadron decays is presented. A sample of $400\,000$ candidates is selected from proton-proton collisions recorded by the LHCb detector at a center-of-mass energy of 13 TeV. [...]
arXiv:2208.03262; LHCb-PAPER-2022-002; CERN-EP-2022-124.- Geneva : CERN, 2023-07-01 - 27 p. - Published in : Phys. Rev. D 108 (2023) 012023 Fulltext: Publication - PDF; 2208.03262 - PDF; Related data file(s): ZIP; Supplementary information: ZIP;
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Nuclear modification factor of neutral pions in the forward and backward regions in $p$Pb collisions / LHCb Collaboration
The nuclear modification factor of neutral pions is measured in proton-lead collisions collected at a center-of-mass energy per nucleon of $8.16$ TeV with the LHCb detector. The $\pi^0$ production cross section is measured differentially in transverse momentum ($p_{T}$) for $1.5< p_{T} <10.0$ GeV and in center-of-mass pseudorapidity ($\eta_{CM}$) regions $2.5<\eta_{CM}<3.5$ (forward) and $-4.0<\eta_{CM}<-3.0$ (backward) defined relative to the proton beam direction. [...]
arXiv:2204.10608; LHCb-PAPER-2021-053; CERN-EP-2022-050.- Geneva : CERN, 2023-07-24 - 14 p. - Published in : Phys. Rev. Lett. 131 (2023) 042302 Fulltext: Publication - PDF; LHCb-PAPER-2021-053 - PDF; 2204.10608 - PDF; Related data file(s): ZIP; Supplementary information: ZIP;
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