CERN Accelerating science

LHCb Conference Proceedings

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2016-04-21
16:23
Determination of the $CP$-violating phase $\phi_s$ in $B0s \to J\psi \Phi$ decays / Batozskaya, Varvara (National Centre for Nuclear Research (PL))
The determination of the CP-violating phase $\phi_{s}$ in $B^{0}_{s}\rightarrow J/\psi \phi$ decays is one of the key goals of the LHCb experiment. Its value is predicted to be very small in the Standard Model [...]
LHCb-PROC-2016-010; CERN-LHCb-PROC-2016-010.- Geneva : CERN, 2016 - 7. Fulltext: PDF;
In : 22th Cracow EPIPHANY Conference on the Physics in LHC Run2, Cracow, Poland, 7 - 9 Jan 2016

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2016-04-21
14:39
LHCb’s Real-Time Alignment in Run II / Batozskaya, Varvara (National Centre for Nuclear Research (PL))
The LHCb collaboration has introduced a novel real-time detector alignment and calibration strategy for LHC Run II. The data collected at the start of the fill will be processed in a few minutes and used to update the alignment, while the calibration constants will be evaluated for each run [...]
LHCb-PROC-2016-009; CERN-LHCb-PROC-2016-009.- Geneva : CERN, 2015 - 6. Fulltext: PDF;
In : 3rd Annual Large Hadron Collider Physics Conference, St. Petersburg, Russia, 31 Aug - 5 Sep 2015

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2016-02-05
18:21
Event Index - an LHCb Event Search System / Ustyuzhanin, Andrey (Yandex School of Data Analysis (RU)) ; Kazeev, Nikita (Yandex School of Data Analysis (RU))
During LHC Run 1, the LHCb experiment recorded around 1011 collision events. This paper describes Event Index | an event search system. [...]
LHCb-PROC-2016-008; CERN-LHCb-PROC-2016-008.- Geneva : CERN, 2015 - 5.

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2016-02-02
11:34
Novel real-time alignment and calibration of the LHCb detector in Run II / Xu, Zhirui (Ecole Polytechnique Federale de Lausanne (CH)) ; Tobin, Mark (Ecole Polytechnique Federale de Lausanne (CH))
An automatic real-time alignment and calibration strategy of the LHCb detector was developed for the Run II. Thanks to the online calibration, tighter event selection criteria can be used in the trigger. [...]
LHCb-PROC-2016-007; CERN-LHCb-PROC-2016-007.- Geneva : CERN, 2015 - 2. Fulltext: PDF;
In : Frontier Detectors for Frontier Physics: 13th Pisa Meeting on Advanced Detectors, La Biodola, Isola D'elba, Italy, 24 - 30 May 2015

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2016-01-21
15:34
Electroweak penguin B decays / Nikodem, Thomas (Ruprecht-Karls-Universitaet Heidelberg (DE))
Flavour Changing Neutral Currents (FCNC) are sensitive probes for physics beyond the Standard Model (SM), so-called New Physics. An example of a FCNC is the $b \to s$ quark transition described by the electroweak penguin Feynman diagram shown in Figure 1. [...]
LHCb-PROC-2016-006; CERN-LHCb-PROC-2016-006.- Geneva : CERN, 2016 - 10. Fulltext: PDF;
In : 35th International Symposium on Physics in Collision, Coventry, UK, 15 - 19 Sep 2015

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2016-01-06
17:04
Preparation and commissioning of LHCb for the Run II of LHC / Puig Navarro, Albert (Ecole Polytechnique Federale de Lausanne (CH))
The LHCb experiment has performed very well during the Run I of the LHC, producing a large number of relevant physics results on a wide range of topics. The preparation and commissioning of the LHCb experiment for Run II is discussed here, with special emphasis on the changes in the trigger strategy and the addition of a new subdetector to improve the physics reach of the experiment. [...]
LHCb-PROC-2016-005; CERN-LHCb-PROC-2016-005.- Geneva : CERN, 2016 - 4. Fulltext: PDF;
In : Frontier Detectors for Frontier Physics: 13th Pisa Meeting on Advanced Detectors, La Biodola, Isola D'elba, Italy, 24 - 30 May 2015

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2016-01-06
16:32
The LHCb Turbo stream / Puig Navarro, Albert (Ecole Polytechnique Federale de Lausanne (CH))
The LHCb experiment will record an unprecedented dataset of beauty and charm hadron decays during Run II of the LHC, set to take place between 2015 and 2018. A key computing challenge is to store and process this data, which limits the maximum output rate of the LHCb trigger. [...]
LHCb-PROC-2016-004; CERN-LHCb-PROC-2016-004.- Geneva : CERN, 2016 - 2. Fulltext: PDF;
In : Frontier Detectors for Frontier Physics, (Poster Session), La Biodola, Elba, Italy, 23 - 30 May 2015

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2016-01-06
16:08
Review of recent LHCb results and expectations for Run II / Hicheur, Adlene (Univ. Federal do Rio de Janeiro (BR))
As first Run II data acquisition has begun, it is useful to expose the pending questions by reviewing some of the most recent results obtained with Run I data analyses. Early results of the current data taking and middle-term prospects are also shown to illustrate the efficiency of the acquisition and analysis chain..
LHCb-PROC-2016-003; CERN-LHCb-PROC-2016-003.- Geneva : CERN, 2016 - 8. Fulltext: PDF;
In : LISHEP-International School on High Energy Physics Session C -Workshop, Manaus, Amazonas, Brazil, 2 - 9 Aug 2015

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2016-01-06
15:21
Selection of LHCb results from Run I / Hicheur, Adlene (Univ. Federal do Rio de Janeiro (BR))
At the eve of the second LHC data taking run, some of the most recent results obtained by the LHCb collaboration with Run I data are reviewed. Improved measurements on $CP$ violation, unitary triangle and mixing parameters are shown. [...]
LHCb-PROC-2016-002; CERN-LHCb-PROC-2016-002.- Geneva : CERN, 2016 - 7. Fulltext: PDF;
In : 10th Latin American Symposium on High Energy Physics, Medellin, Colombia, 24 - 28 Nov 2014

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2016-01-06
11:59
LHCb early measurements focusing on B and charm production / Pearce, Alex (University of Manchester (GB))
Measurements of the production cross-sections of prompt $J/\psi$, $D^{0}$, $D^{+}$, $D_{s}^{+}$, and $D^{*+}$ mesons are presented, using proton-proton collision data taken at a centre-of-mass energy of $\sqrt{s} = 13\,\text{TeV}$ with the LHCb detector. The cross-section measurements are made in bins of meson transverse momentum $p_{\text{T}}$ and rapidity $y$, up to a $p_{\text{T}}$ of $14\,\text{GeV}$ for the $J/\psi$ measurements and $15\,\text{GeV}$ for the open charm meson measurements, both in the rapidity range $2.0 < y < 4.5$. [...]
LHCb-PROC-2016-001; CERN-LHCb-PROC-2016-001.- Geneva : CERN, 2016 Fulltext: PDF;
In : 3rd Annual Large Hadron Collider Physics Conference, St. Petersburg, Russia, 31 Aug - 5 Sep 2015

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