CERN Accelerating science

LHCb Conference Proceedings

Charmless $b$-meson and $b$-baryon decays at LHCb / Nasteva, Irina (Univ. Federal do Rio de Janeiro (BR))
The latest LHCb results for charmless $b$-meson and $b$-baryon decays, using Run I data collected by the LHCb experiment at centre-of-mass energies of 7 and 8 TeV, are presented. The search for charmless three-body decays of the $\Lambda_b^0$ and $\Xi_b^0$ baryons to the final states $\Lambda h^+h^{\prime -}$ ($h^{(\prime)} = \pi$ or $K$) results in the first observation of $\Lambda_b^0 \to \Lambda K^+\pi^-$ and $\Lambda_b^0 \to \Lambda K^+K^-$ decays and measurements of their branching fractions and \CP asymmetries, as well as evidence of the $\Lambda_b^0 \to \Lambda \pi^+\pi^-$ decay and limits on the branching fractions of $\Xi_b^0$ baryon decays. [...]
LHCb-PROC-2017-007; CERN-LHCb-PROC-2017-007.- Geneva : CERN, 2017 - 6. Fulltext: PDF;
In : BEACH 2016: XIIth International Conference on Beauty, Charm, and Hyperons in Hadronic Interactions, Fairfax, Virginia, United States Of America, 12 - 18 Jun 2016

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LHCb results in proton-nucleus collisions at the LHC / Mueller, Katharina (Universitaet Zuerich (CH))
The forward acceptance of the LHCb detector allows it to probe proton-ion collisions in a unique kinematic range, complementary to the other LHC experiments. The production of $J/\Psi$ and $\Upsilon$-mesons decaying into two muons is studied at the LHCb experiment in proton-lead collisions at a proton-nucleon centre-of-mass energy $\sqrt sNN = 5 TeV$. [...]
LHCb-PROC-2017-006; CERN-LHCb-PROC-2017-006.- Geneva : CERN, 2015 - 5. Fulltext: PDF;
In : STARS2015 - 3rd Caribbean Symposium on Cosmology, Gravitation, Nuclear and Astroparticle Physics, Havana, Cuba, 10 - 16 May 2015

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QCD at colliders / Mueller, Katharina (Universitaet Zuerich (CH))
Recent measurements from the ATLAS, CMS and LHCb collaborations are testing QCD with unprecedented precision and in a new energy regime. Inclusive jet, isolated photon, vector boson and heavy quark production cross section measurements are reported here including a selection of first results at the new frontier collision energy of 13 TeV..
LHCb-PROC-2017-005; CERN-LHCb-PROC-2017-005.- Geneva : CERN, 2016 - 10. Fulltext: PDF;
In : 24th International Workshop on Deep Inelastic Scattering and related subjects, Hamburg, Germany, 11 - 15 Apr 2016

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Heavy Flavour and Quarkonia production at LHCb / Mueller, Katharina (Universitaet Zuerich (CH))
The LHCb detector, with its excellent momentum resolution and flexible trigger strategy, is ideally suited for measuring heavy quark and quarkonia production properties. Recent LHCb measurements of inclusive and differential cross-sections of the production of $J/\psi= $ and $\Upsilon$ resonances, as well as charm, bottom and top quarks, in $pp$ collisions at different centre-of-mass energies are presented. [...]
LHCb-PROC-2017-004; CERN-LHCb-PROC-2017-004.- Geneva : CERN, 2017 - 8. Fulltext: PDF;
In : Kruger2016 - Workshop on Discovery Physics at the LHC, Mpumulanga, South Africa, 4 - 9 Dec 2016

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Charmed baryons at LHCb / Naik, Paras (University of Bristol (GB))
The LHCb detector is an excellent instrument for studying the production and decay of charmed baryons in $pp$ collisions, due to efficient triggering mechanisms that capture the copious production of $c\overline{c}$ at the Large Hadron Collider. The LHCb experiment and its charmed baryon results from LHCb are detailed, with a description of our future plans [...]
LHCb-PROC-2017-003; CERN-LHCb-PROC-2017-003.- Geneva : CERN, 2016 - 8. Fulltext: PDF;
In : The 8th International workshop on CHARM physics (CHARM 2016), Bologna, Italy, 5 - 9 Sep 2016

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The LHCb Vertex Locator (VELO) Pixel Detector Upgrade / Buchanan, Emma (University of Bristol (GB))
The LHCb experiment is designed to perform high-precision measurements of CP violation and the decays of beauty and charm hadrons at the Large Hadron Collider (LHC) at CERN. There is a planned upgrade during Long Shutdown 2 (LS2), expected in 2019, which will allow the detector to run at higher luminosities by transforming the entire readout to a trigger-less system. [...]
LHCb-PROC-2017-002; CERN-LHCb-PROC-2017-002.- Geneva : CERN, 2017 - 10. Fulltext: PDF;
In : International Workshop on Semiconductor Pixel Detectors for Particles and Imaging (PIXEL2016), Sestri Levante, Italy, 5 - 9 Sep 2016

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Physics benchmarks of the VELO upgrade / Eklund, Lars (University of Glasgow (GB))
The LHCb Experiment at the LHC is successfully performing precision measurements primarily in the area of flavour physics. The collaboration is preparing an upgrade that will start taking data in 2021 with a trigger-less readout at five times the current luminosity. [...]
LHCb-PROC-2017-001; CERN-LHCb-PROC-2017-001.- Geneva : CERN, 2017 - 6. Fulltext: PDF;
In : International Workshop on Semiconductor Pixel Detectors for Particles and Imaging (PIXEL2016), Sestri Levante, Italy, 5 - 9 Sep 2016

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Search for new physics in semileptonic $B$-decays / Klaver, Suzanne (University of Manchester (GB))
Semileptonic decays provide an excellent environment for testing the Standard Model (SM). Violation of lepton universality would be a smoking gun for physics beyond the SM. [...]
LHCb-PROC-2016-030; CERN-LHCb-PROC-2016-030.- Geneva : CERN, 2016 - 6. Fulltext: PDF;
In : 38th International Conference on High Energy Physics, Chicago, IL, USA, 03 - 10 Aug 2016

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Novel real-time alignment and calibration of LHCb detector for Run II and tracking for the upgrade. / Quagliani, Renato (Universite de Paris-Sud 11 (FR))
LHCb has introduced a novel real-time detector alignment and calibration strategy for LHC Run II. Data collected at the start of the fill is processed in a few minutes and used to update the alignment, while the calibration constants are evaluated for each run. [...]
LHCb-PROC-2016-029; CERN-LHCb-PROC-2016-029.- Geneva : CERN, 2016 - 7. Fulltext: PDF;

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LHCb results on $C\!P$ violation in $B^0_{(s)}$ mixing and in the interference with decays / Seyfert, Paul (Universita & INFN, Milano-Bicocca (IT))
Measurements of $C\!P$ violation in neutral $B$ meson mixing and in the interference with decays are excellent probes to search for physics beyond the Standard Model. A selection of recent measurements performed by the LHCb experiment using the full Run I dataset is presented. [...]
LHCb-PROC-2016-028; CERN-LHCb-PROC-2016-028.- Geneva : CERN, 2016 - 6. Fulltext: PDF;
In : 38th International Conference on High Energy Physics, Chicago, IL, USA, 03 - 10 Aug 2016

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