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LHCb Notes

Letzte Einträge:
2015-05-28
10:21
Testbeam studies of pre-prototype silicon strip sensors for the LHCb UT upgrade project / Abba, Andrea (INFN, Milan) ; Artuso, Marina (Syracuse U.) ; Blusk, Steven (Syracuse U.) ; Britton, Thomas (Syracuse U.) ; Davis, Adam (Cincinnati U.) ; Dendek, Adam (AGH-UST, Cracow) ; Dey, Biplab (INFN, Milan) ; Ely, Scott (Syracuse U.) ; Fu, Jinlin (INFN, Milan) ; Gandini, Paolo (Oxford U.) et al.
The LHCb experiment is preparing for a major upgrade in 2018-2019. One of the key components in the upgrade is a new silicon tracker situated upstream of the analysis magnet of the experiment. [...]
LHCb-PUB-2015-015; CERN-LHCb-PUB-2015-015; arXiv:1506.00229.- Geneva : CERN, 2015 - 26 p. Fulltext: LHCb-PUB-2015-015 - PDF; arXiv:1506.00229 - PDF; External link: Fulltext

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2015-05-26
09:50
Analysis of the performance of GEM chambers for the upgrade of the LHCb muon system / Pinci, Davide (Sezione INFN di Roma La Sapienza, Roma, Italy) ; Santimaria, Marco (Sezione INFN di Roma La Sapienza, Roma, Italy)
Triple-GEM chambers, so far used in the inner region of the M1 muon station, are the ideal candidates to replace the MWPCs in the regions where, after the upgrade, the particle rate will be as high as 2 MHz/cm$^2$. Testing the triple-GEM efficiency and time resolution with different gaseous mixtures is therefore a significant step in evaluating the expected performance of the muon system after the upgrade scheduled in 2018, when the luminosity in LHCb will reach $2 \times 10^{33}$ cm$^2$ s$^{-1}$. [...]
LHCb-PUB-2015-014; CERN-LHCb-PUB-2015-014.- Geneva : CERN, 2015 - 13 p. Fulltext: PDF;

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2015-05-26
09:43
Study of the performance of the MWPC single gap / Pinci, Davide (Sezione INFN di Roma La Sapienza, Roma, Italy)
In this note we report the results of measurements performed with cosmic rays on single gaps of different LHCb Muon Chambers. Their main performance have been investigated in order to achieve a better comprehension of their behavior for optimizing the chamber working conditions..
LHCb-PUB-2015-013; CERN-LHCb-PUB-2015-013.- Geneva : CERN, 2015 - 11 p. Fulltext: PDF;

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2015-04-23
11:26
An experimental set-up to measure Light Yield of Scintillating Fibres / Alfieri, C (-) ; Rodrigues Cavalcante, A B (Centro Brasileiro de Pesquisas Físicas (CBPF), Rio de Janeiro, Brazil) ; Joram, C (CERN, Geneva, Switzerland) ; Kenzie, M W (CERN, Geneva, Switzerland)
In the context of the LHCb SciFi Tracker project, an experimental set up was designed and built to provide reliable and reproducible measurements of the light yield of scintillating fibres. This document describes the principle and technical realisation of the set-up. [...]
LHCb-PUB-2015-012; CERN-LHCb-PUB-2015-012.- Geneva : CERN, 2015 - 10 p. Fulltext: PDF;

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2015-04-23
11:24
A set-up to measure the optical attenuation length of scintillating fibres / Alfieri, C (CERN, Geneva, Switzerland) ; Rodrigues Cavalcante, A B (Centro Brasileiro de Pesquisas Físicas (CBPF), Rio de Janeiro, Brazil) ; Joram, C (CERN, Geneva, Switzerland)
The optical attenuation length of a scintillating fibre characterizes the quality of light transport through the fibre. It relates directly to the quantity of detectable light at the readout end of the fibre. [...]
LHCb-PUB-2015-011; CERN-LHCb-PUB-2015-011.- Geneva : CERN, 2015 - 9 p. Fulltext: PDF;

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2015-04-20
15:02
Till Moritz Karbach, Scientific Legacy / LHCb Collaboration
We are deeply touched by the sudden loss of our dear friend and colleague Till Moritz Karbach. With this memorial book we wish to commemorate Moritz’ scientific legacy, and what Moritz meant to us as a friend..
LHCb-PUB-2015-010; CERN-LHCb-PUB-2015-010.- Geneva : CERN, 2015 - 194 p. Fulltext: PDF;

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2015-04-16
10:58
Scanners for the quality contol of scintillating plastic fibres / Rodigues, Ana Barbara (Centro Brasileiro de Pesquisas Físicas (CBPF), Rio de Janeiro, Brazil) ; Ekelhof, Robert (Fakultät Physik, Technische Universität Dortmund, Dortmund, Germany) ; Garnier, Francois (European Organization for Nuclear Research (CERN), Geneva, Switzerland) ; Giudici, Pierre-Ange (European Organization for Nuclear Research (CERN), Geneva, Switzerland) ; Greim, Roman (I. Physikalisches Institut, RWTH Aachen University, Aachen, Germany) ; Hebler, Philip (Fakultät Physik, Technische Universität Dortmund, Dortmund, Germany) ; Joram, Christian (European Organization for Nuclear Research (CERN), Geneva, Switzerland) ; Kirn, Thomas (I. Physikalisches Institut, RWTH Aachen University, Aachen, Germany) ; Pierschel, Gerhard (I. Physikalisches Institut, RWTH Aachen University, Aachen, Germany) ; Schateikis, Tobias (I. Physikalisches Institut, RWTH Aachen University, Aachen, Germany) et al.
The use of scintillating plastic fibres in the SciFi tracker requires rigorous quality control. The fibre diameter and in particular local variations in form of bumps and necks have an impact on the regularity of the winding pattern and hence the spatial resolution. [...]
LHCb-PUB-2015-009; CERN-LHCb-PUB-2015-009.- Geneva : CERN, 2015 - 23. Fulltext: PDF;

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2015-03-27
12:38
LHCb Scintillating Fibre Tracker Engineering Design Review Report: Fibres, Mats and Modules / Joram, Christian (CERN)
will come soon
LHCb-PUB-2015-008; CERN-LHCb-PUB-2015-008.- Geneva : CERN, 2015

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2015-03-24
14:45
Finite Element Analysis of the SciFi-Nomex-Sandwich Panels / Schultz von Dratzig, Arndt (I. Physikalisches Institut, RWTH Aachen University, Aachen, Germany)
A finite element analysis of the SciFi-Nomex-sandwich panels has been carried out in order to investigate their thermo-mechanical properties. This does not include the cooling of the silicon photomultipliers but is restricted to the panels themselves. [...]
LHCb-PUB-2015-007; CERN-LHCb-PUB-2015-007.- Geneva : CERN, 2015

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2015-03-20
15:04
Studies of pre-prototype sensors for the UT Upgrade project / Abba, Andrea Abba (Sezione INFN di Milano, Milano, Italy) ; Artuso, Marina (Syracuse University, Syracuse, NY, United States) ; Blusk, Steven (Syracuse University, Syracuse, NY, United States) ; Britton, Thomas (Syracuse University, Syracuse, NY, United States) ; Davis, Adam (University of Cincinnati, Cincinnati, OH, United States) ; Dendek, Adam (AGH - University of Science and Technology, Faculty of Physics and Applied Computer Science, Kraków, Poland) ; Dey, Biplab (Physik-Institut, Universität Zürich, Zürich, Switzerland) ; Ely, Scott (Syracuse University, Syracuse, NY, United States) ; Fu, Jinlin (Sezione INFN di Milano, Milano, Italy) ; Gandini, Paolo (Syracuse University, Syracuse, NY, United States) et al.
We describe the setup and results of a 2014 test beam used to study pre-prototype sensors for the UT Upgrade project. The program was carried out using a 180 GeV/$c$ proton beam at the CERN SPS, and used the TimePix3 telescope for tracking of beam particles. [...]
LHCb-PUB-2015-006; CERN-LHCb-PUB-2015-006.- Geneva : CERN, 2015 Fulltext: PDF;

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