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CERN Document Server 7,893 records found  1 - 10nextend  jump to record: Search took 1.33 seconds. 
1.
Radiative b-hadron decays at LHCb / Lobo Salvia, Aniol (Barcelona U.) /LHCb Collaboration
Radiative b-hadron decays are an instance of rare decays that occur through flavor changing neutral currents (FCNC). They are suppressed in the standard model (SM) of particle physics. [...]
2025 - 6 p. - Published in : PoS ICHEP2024 (2025) 410 Fulltext: PDF;
In : 42nd International Conference on High Energy Physics (ICHEP 2024), Prague, Czech Republic, 18 - 24 Jul 2024, pp.410
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2.
Recent studies of pentaquarks at LHCb / Ren, Zan (Beijing, GUCAS) /LHCb Collaboration
Studying the properties and behavior of pentaquarks deepens our understanding of quantum chromodynamics (QCD) and the strong interactions. The LHCb experiment, with a large heavy-flavor dataset and detector performance optimized for beauty and charm hadron studies, is uniquely positioned to explore the properties of heavy-flavor pentaquark states. [...]
2024 - 6 p. - Published in : PoS ICHEP2024 (2025) 502 Fulltext: PDF;
In : 42nd International Conference on High Energy Physics (ICHEP 2024), Prague, Czech Republic, 18 - 24 Jul 2024, pp.502
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3.
Search for resonance-enhanced $CP$ and angular asymmetries in the $\Lambda^+_c\to p\mu^+\mu^-$ decay at LHCb / LHCb Collaboration
The first measurement of the $CP$ asymmetry of the decay rate ($A_{CP}$) and the $CP$ average ($\Sigma A_{\text{FB}}$) and $CP$ asymmetry ($\Delta A_{\text{FB}}$) of the forward-backward asymmetry in the muon system of $\mathit{\Lambda}^+_c\to p\mu^+\mu^-$ decays is reported. [...]
arXiv:2502.04013 ; LHCb-PAPER-2024-051 ; CERN-EP-2024-340 ; LHCB-PAPER-2024-051. - 2025 - 23 p, 23.
Fulltext - Related data file(s) - Full text - Fulltext
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4.
Search for $K^0 \to \mu^+\mu^-\mu^+\mu^-$ at the LHCb experiment / Fernández Gómez, Miguel (Santiago de Compostela U., IGFAE) /LHCb Collaboration
These proceedings discuss the search for $K^0_{S(L)} \to \mu^+\mu^-\mu^+\mu^-$ decays, performed using proton-proton collision data collected by the LHCb experiment at a centre-of-mass energy of 13 TeV, corresponding to an integrated luminosity of 5.1 fb$^{-1}$. Upper limits are computed to be, at 90% C.L., $B(K^0_{S(L)} \to \mu^+\mu^-\mu^+\mu^-)$ < 5.1$\times$ 10$^{12}$ (2.3$\times$10$^{-9}$)
2023 - 6 p. - Published in : J. Phys. : Conf. Ser. 2446 (2023) 012018 Fulltext: PDF;
In : International Conference on Kaon Physics 2022, Osaka, Japan, 13 - 16 Sep 2022, pp.012018
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5.
Tests of Lepton Flavour Universality and searches for Lepton Flavour Violation at LHCb / Schmitt, Sebastian (RWTH Aachen U.) /LHCb Collaboration
Rare $b$-hadron decays serve as powerful probes for investigating Lepton Flavour Universality (LFU) and Lepton flavour violation. These decays, mediated through $b\to s\ell\ell$ transitions, allow for stringent tests of LFU, a fundamental symmetry of the Standard Model (SM) that assumes the universal coupling of electroweak gauge bosons to leptons. [...]
2023 - 6 p. - Published in : PoS: FPCP2023, pp. 051
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In : 21st Conference on Flavor Physics and CP Violation (FPCP 2023), Villeurbanne, France, 29 May - 2 Jun 2023, pp.051
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6.
New CP violation measurements at LHC / Lukashenko, Valeriia (Nikhef, Amsterdam ; Kiev, INR) ; Ruiz Fernández, Ramón Angel (Santiago de Compostela U., IGFAE) /ATLAS Collaboration ; CMS Collaboration ; LHCb Collaboration
In this proceeding, we present a summary of the latest CP-violation findings at LHC. We begin with an overview of $\gamma$ measurements in $B^{\pm} \rightarrow D h^{\pm}$ decays with data collected in 2015-2018 by LHCb and the update on the $\gamma$ combination from LHCb. [...]
2023 - 14 p. - Published in : PoS: FPCP2023, pp. 037
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In : 21st Conference on Flavor Physics and CP Violation (FPCP 2023), Villeurbanne, France, 29 May - 2 Jun 2023, pp.037
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7.
Extended Report from the LHC Experiments’ Young Scientist Fora / Coldham, Kathryn Wendy (Unlisted) /ALICE Collaboration ; ATLAS Collaboration ; CMS Collaboration ; LHCb Collaboration
The LHC Early Career Scientist Fora (LHC ECSF) comprises the ALICE Junior Representatives, ATLAS Early Career Scientist Board (ATLAS ECSB), the CMS Young Scientists Committee (CMS YSC) and the LHCb Early Career, Gender and Diversity Office (LHCb ECGD). This conference proceeding provides an update about the ECSF’s mental health check-in, which was led by the ALICE Junior Representatives and in collaboration with psychologist Sarah Speziali..
2024 - 6 p. - Published in : PoS LHCP2024 (2025) 141 Fulltext: PDF;
In : 12th Edition of the Large Hadron Collider Physics Conference (LHCP2024), Boston, United States, 3 - 7 Jun 2024, pp.141
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8.
Generative models and seq2seq techniques for the flash-simulation of the LHCb experiment / Anderlini, Lucio (INFN, FLorence) ; Barbetti, Matteo (INFN, CNAF) ; Capelli, Simone (INFN, Milan Bicocca ; Milan Bicocca U.) ; Corti, Gloria (CERN) ; Davis, Adam (Manchester U.) ; Derkach, Denis (Higher Sch. of Economics, Moscow) ; Martinelli, Maurizio (INFN, Milan Bicocca ; Milan Bicocca U.) /LHCb Collaboration
Simulating detector and reconstruction effects on physics quantities is crucial for data analysis, but it is coming unsustainably costly for the upcoming HEP experiments. The most radical approach to speed-up detector simulation is Flash Simulation, as proposed by the LHCb collaboration in Lamarr, a software package implementing a novel simulation paradigm relying on Deep Generative Models and Seq2seq attention-driven techniques to deliver simulated samples. [...]
2025 - 6 p. - Published in : PoS ICHEP2024 (2025) 1032 Fulltext: PDF;
In : 42nd International Conference on High Energy Physics (ICHEP 2024), Prague, Czech Republic, 18 - 24 Jul 2024, pp.1032
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9.
LHCb upgrades / Niel, Elisabeth Maria (CERN) /LHCb Collaboration
The LHCb experiment, a single-arm forward spectrometer designed for the study of beauty and charm decays, operated successfully through the end of the Large Hadron Collider (LHC) Run 2. During this period, it collected data that resulted in numerous discoveries, challenging the boundaries of the Standard Model (SM) of particle physics and providing opportunities to explore potential new physics beyond it. [...]
2024 - 8 p. - Published in : PoS LHCP2024 (2025) 192 Fulltext: PDF;
In : 12th Edition of the Large Hadron Collider Physics Conference (LHCP2024), Boston, United States, 3 - 7 Jun 2024, pp.192
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10.
Measurements of B mesons mixing phases at LHCb / Richardson-Slipper, Mary (Edinburgh U.) /LHCb Collaboration
Measuring the mixing phases of the $B_s^0$ mesons is crucial to validate the $CP$ violation paradigm of the Standard Model and to search for new physics beyond it. Golden modes to measure these quantities are those governed by tree-level $b\to c\bar{c}q$ transitions, that allow precise and theoretically clean determinations to be performed. [...]
2024 - 6 p. - Published in : PoS ICHEP2024 (2025) 433 Fulltext: PDF;
In : 42nd International Conference on High Energy Physics (ICHEP 2024), Prague, Czech Republic, 18 - 24 Jul 2024, pp.433
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