CERN Accelerating science

LHCb Conference Proceedings

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Production and spectroscopy of open-flavoured hadrons at hadron colliders / Pappagallo, M (University of Glasgow, Glasgow, United Kingdom)
Studies on the production and spectroscopy of heavy hadrons provide important inputs to test the reliability of several models and techniques. Recent results on the production of the charmed and beauty mesons and baryons at hadron colliders are summarized. [...]
LHCb-PROC-2014-012; CERN-LHCb-PROC-2014-012.- Geneva : CERN, 2014 - 7 p. Fulltext: PDF;
In : 15th International Conference on Hadron Spectroscopy, Nara, Japan, 4 - 8 Nov 2013

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Operational aspects of the VELO cooling system of LHCb / Jans, E (Nikhef, Amsterdam, The Netherlands)
The VELO is a silicon strip detector that is positioned around the interaction region of LHCb. It is placed inside a secondary vacuum with respect to that of the LHC. [...]
LHCb-PROC-2014-011; CERN-LHCb-PROC-2014-011.- Geneva : CERN, 2014 - 10 p. Fulltext: PDF;
In : Vertex 2013, Lake Starnberg, Germany, 16 - 20 Sep 2013

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B decays to Charmonium at LHCb / Polyakov, I (Institute of Theoretical and Experimental Physics (ITEP), Moscow, Russia)
The recent results from the analysis of B decays into nal states contain- ing charmonium resonance at the LHCb are presented. The analysis use the data sample with integrated luminosity of 1.0 - 3.0 fb$^{-1}$ collected in 2011 and 2012..
LHCb-PROC-2014-010; CERN-LHCb-PROC-2014-010.- Geneva : CERN, 2014 - 3 p. Fulltext: PDF;
In : 16th Lomonosov Conference on Elementary Particle Physics, Moscow, Russia, 22 - 28 Aug 2013

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Studies of multibody charmless B decays at LHCb / McCarthy, James (University of Birmingham, UK)
Recent results from studies of charmless $B$ meson decays with the LHCb detector are presented. $CP$ asymmetries in $B^{\pm} \to K^{\pm}h^{+}h^{-}$ decays have been measured and the first observation of $CP$ asymmetry in inclusive three body charmless $B$ meson decays is found in the $B^{\pm} \to p\bar{p}h^{\pm}$ decays have been measured, and we make the first observation of the $B^+ \to \bar{\Delta} (1520)p$ decay. [...]
LHCb-PROC-2014-009; CERN-LHCb-PROC-2014-009.- Geneva : CERN, 2014 - 7 p. Fulltext: PDF;
In : EPS-HEP 2013 European Physical Society Conference on High Energy Physics, Stockholm, Sweden, 18 - 24 Jul 2013

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The upgrade of the LHCb Vertex Locator (VELO) / van Beuzekom, M (Nikhef, Amsterdam, The Netherlands)
The upgrade of the LHCb experiment, planned for 2018, will enable the detector to run at a luminosity of 2 x 10$^{33}$ cm$^{-22}$s$^{-1}$ and explore New Physics effects in the beauty and charm sector with unprecedented precision. To achieve this, the entire readout will be transformed into a triggerless system operating at 40 MHz, where the event selection algorithms will be executed by high-level software in the CPU farm. [...]
LHCb-PROC-2014-008; CERN-LHCb-PROC-2014-008.- Geneva : CERN, 2014 - 10 p. Fulltext: PDF;
In : Vertex 2013, Lake Starnberg, Germany, 16 - 20 Sep 2013

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b and c spectroscopy at LHCb / De Simone, P (Laboratori Nazionali dell'INFN di Frascati, Frascati, Italy)
The LHCb experiment is designed to study the decays and properties of heavy flavoured hadrons produced in the forward region from $pp$ collisions at the CERN Large Hadron Collider. It has recorded the world’s largest data sample of beauty and charm hadrons, enabling precise studies into the spectroscopy of such particles, including discoveries of new states and measurements of their properties such as masses, width and quantum numbers. [...]
LHCb-PROC-2014-007; CERN-LHCb-PROC-2014-007.- Geneva : CERN, 2014 - 4 p. Fulltext: PDF;
In : 13th International Conference on Meson-Nucleon Physics and the Structure of the Nucleon, Rome, Italy, 30 Sep - 4 Oct 2013

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Performance and operational aspects of LHCb's VELO and ST / Rodrigues, E (University of Manchester, Manchester, United Kingdom)
The LHCb experiment aims at the search for New Physics with the study of rare heavy hadron decays and the study of CP violation in the decays of charm and beauty hadrons. The detector, a single-arm spectrometer at the Large Hadron Collider (LHC), Geneva, includes a high precision tracking system: a silicon-strip vertex detector, a silicon-strip tracker upstream of the magnet, and three stations of silicon-strip detectors and straw tubes downstream of the magnet. [...]
LHCb-PROC-2014-006; CERN-LHCb-PROC-2014-006.- Geneva : CERN, 2014 - 10 p. Fulltext: PDF;
In : Vertex 2013, Lake Starnberg, Germany, 16 - 20 Sep 2013

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Performance of the LHCb High Level Trigger in 2012 / Albrecht, J (Technische Universität Dortmund, Dortmund, Germany) ; Gligorov, V V (CERN, Geneva, Switzerland) ; Raven, G (NIKHEF, Amsterdam, Netherlands) ; Tolk, S (NIKHEF, Amsterdam, Netherlands)
The trigger system of the LHCb experiment is discussed in this paper and its performance is evaluated on a dataset recorded during the 2012 run of the LHC. The main purpose of the LHCb trigger system is to separate heavy avour signals from the light quark background. [...]
LHCb-PROC-2014-005; CERN-LHCb-PROC-2014-005.- Geneva : CERN, 2014 - 8 p. Fulltext: PDF;
In : 20th International Conference on Computing in High Energy and Nuclear Physics 2013, Amsterdam, Netherlands, 14 - 18 Oct 2013

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The LHCb Upgrade / Lucchesi, Donatella (Sezione INFN and Università di Padova, Italy)
The LHCb experiment, designed to perform high-precision measurements in the heavy flavor sector, has achieved results that go well beyond the expectations during the LHC run 1. The 2010-2012 data taking demonstrated that the detector and the trigger system are robust and functioning very well. [...]
LHCb-PROC-2014-004; CERN-LHCb-PROC-2014-004.- Geneva : CERN, 2014 - 10 p. Fulltext: PDF;
In : International Conference on New Frontiers in Physics, Kolymbari, Greece, 28 Aug - 5 Sep 2013

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Measuring CP violation in 3- and 4-body decays / Rademacker, J (University of Bristol, Bristol, United Kingdom)
Multibody charm decays have a rich phenomenology and potentially unique sensitivity to CP violation. In these proceedings we discuss recent results, challenges and prospects in searches for CP violation in three and four body charm decays..
LHCb-PROC-2014-003; CERN-LHCb-PROC-2014-003.- Geneva : CERN, 2014 - 11 p. Fulltext: PDF;
In : 6th International Workshop on Charm Physics, Manchester, Lancashire, United Kingdom, 31 Aug - 4 Sep 2013

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