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MPX Detectors as LHC Luminosity Monitor

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21340%2F16%3A00336987" target="_blank" >RIV/68407700:21340/16:00336987 - isvavai.cz</a>

  • Alternative codes found

    RIV/68407700:21670/16:00336987

  • Result on the web

    <a href="https://ieeexplore.ieee.org/document/7581870" target="_blank" >https://ieeexplore.ieee.org/document/7581870</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1109/NSSMIC.2015.7581870" target="_blank" >10.1109/NSSMIC.2015.7581870</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    MPX Detectors as LHC Luminosity Monitor

  • Original language description

    A network of 16 Medipix-2 (MPX) silicon pixel devices was installed in the ATLAS detector cavern at CERN. It was designed to measure the composition and spectral characteristics of the radiation field in the ATLAS experiment and its surroundings. This study demonstrates that the MPX network can also be used as a self-sufficient luminosity monitoring system. The MPX detectors collect data independently of the ATLAS data-recording chain, and thus they provide independent measurements of the bunch-integrated ATLAS/LHC luminosity. In particular, the MPX detectors located close enough to the primary interaction point are used to perform van der Meer calibration scans with high precision. Results from the luminosity monitoring are presented for 2012 data taken at root s = 8 TeV proton-proton collisions. The characteristics of the LHC luminosity reduction rate are studied and the effects of beam-beam (burn-off) and beam-gas (single bunch) interactions are evaluated. The systematic variations observed in the MPX luminosity measurements are below 0.3% for one minute intervals.

  • Czech name

  • Czech description

Classification

  • Type

    D - Article in proceedings

  • CEP classification

  • OECD FORD branch

    10303 - Particles and field physics

Result continuities

  • Project

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2016

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Article name in the collection

    2015 IEEE Nuclear Science Symposium and Medical Imaging Conference

  • ISBN

    9781467398626

  • ISSN

  • e-ISSN

  • Number of pages

    9

  • Pages from-to

  • Publisher name

    IEEE

  • Place of publication

  • Event location

    San Diego

  • Event date

    Oct 31, 2015

  • Type of event by nationality

    WRD - Celosvětová akce

  • UT code for WoS article

    000413680600152